/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 03:48:17,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 03:48:17,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 03:48:17,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-26 03:48:17,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 03:48:17,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 03:48:17,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 03:48:17,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 03:48:17,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 03:48:17,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 03:48:17,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 03:48:17,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 03:48:17,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 03:48:17,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 03:48:17,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 03:48:17,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 03:48:17,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 03:48:17,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 03:48:17,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 03:48:17,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 03:48:17,321 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 03:48:17,360 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 03:48:17,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 03:48:17,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 03:48:17,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 03:48:17,364 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 03:48:17,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 03:48:17,365 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 03:48:17,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 03:48:17,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 03:48:17,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 03:48:17,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 03:48:17,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 03:48:17,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 03:48:17,366 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 03:48:17,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 03:48:17,367 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 03:48:17,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 03:48:17,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 03:48:17,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 03:48:17,367 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 03:48:17,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 03:48:17,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 03:48:17,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 03:48:17,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 03:48:17,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 03:48:17,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 03:48:17,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 03:48:17,368 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 03:48:17,369 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 03:48:17,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 03:48:17,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 03:48:17,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 03:48:17,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 03:48:17,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 03:48:17,692 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 03:48:17,693 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 03:48:17,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl [2021-03-26 03:48:17,694 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl' [2021-03-26 03:48:17,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 03:48:17,722 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 03:48:17,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 03:48:17,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 03:48:17,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 03:48:17,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:17" (1/1) ... [2021-03-26 03:48:17,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:17" (1/1) ... [2021-03-26 03:48:17,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 03:48:17,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 03:48:17,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 03:48:17,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 03:48:17,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:17" (1/1) ... [2021-03-26 03:48:17,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:17" (1/1) ... [2021-03-26 03:48:17,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:17" (1/1) ... [2021-03-26 03:48:17,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:17" (1/1) ... [2021-03-26 03:48:17,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:17" (1/1) ... [2021-03-26 03:48:17,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:17" (1/1) ... [2021-03-26 03:48:17,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:17" (1/1) ... [2021-03-26 03:48:17,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 03:48:17,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 03:48:17,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 03:48:17,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 03:48:17,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 03:48:17,833 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-03-26 03:48:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-03-26 03:48:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-03-26 03:48:17,834 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-03-26 03:48:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-03-26 03:48:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-03-26 03:48:17,835 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-03-26 03:48:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-03-26 03:48:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-03-26 03:48:17,835 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-03-26 03:48:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-03-26 03:48:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-03-26 03:48:17,836 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-03-26 03:48:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-03-26 03:48:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-03-26 03:48:17,836 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 03:48:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 03:48:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 03:48:17,838 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-03-26 03:48:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-03-26 03:48:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-03-26 03:48:17,840 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 03:48:18,004 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 03:48:18,004 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 03:48:18,005 INFO L202 PluginConnector]: Adding new model example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 03:48:18 BoogieIcfgContainer [2021-03-26 03:48:18,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 03:48:18,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 03:48:18,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 03:48:18,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 03:48:18,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:17" (1/2) ... [2021-03-26 03:48:18,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c70668a and model type example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 03:48:18, skipping insertion in model container [2021-03-26 03:48:18,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 03:48:18" (2/2) ... [2021-03-26 03:48:18,011 INFO L111 eAbstractionObserver]: Analyzing ICFG example_6.bpl [2021-03-26 03:48:18,021 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 03:48:18,024 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 03:48:18,025 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 03:48:18,159 INFO L149 ThreadInstanceAdder]: Constructed 36 joinOtherThreadTransitions. [2021-03-26 03:48:18,174 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-26 03:48:18,191 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 03:48:18,192 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 03:48:18,192 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 03:48:18,192 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 03:48:18,192 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 03:48:18,192 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 03:48:18,192 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 03:48:18,192 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 03:48:18,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 63 transitions, 264 flow [2021-03-26 03:48:18,313 INFO L129 PetriNetUnfolder]: 129/213 cut-off events. [2021-03-26 03:48:18,313 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2021-03-26 03:48:18,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 213 events. 129/213 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 763 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 187. Up to 60 conditions per place. [2021-03-26 03:48:18,323 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 63 transitions, 264 flow [2021-03-26 03:48:18,332 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 55 transitions, 236 flow [2021-03-26 03:48:18,333 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:18,349 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 55 transitions, 236 flow [2021-03-26 03:48:18,356 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 55 transitions, 236 flow [2021-03-26 03:48:18,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 55 transitions, 236 flow [2021-03-26 03:48:18,413 INFO L129 PetriNetUnfolder]: 129/211 cut-off events. [2021-03-26 03:48:18,414 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2021-03-26 03:48:18,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 211 events. 129/211 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 621 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 187. Up to 60 conditions per place. [2021-03-26 03:48:18,420 INFO L142 LiptonReduction]: Number of co-enabled transitions 780 [2021-03-26 03:48:18,526 INFO L154 LiptonReduction]: Checked pairs total: 225 [2021-03-26 03:48:18,527 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 03:48:18,529 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 197 [2021-03-26 03:48:18,558 INFO L129 PetriNetUnfolder]: 129/204 cut-off events. [2021-03-26 03:48:18,558 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2021-03-26 03:48:18,559 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:18,559 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:18,560 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:18,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:18,564 INFO L82 PathProgramCache]: Analyzing trace with hash -620648734, now seen corresponding path program 1 times [2021-03-26 03:48:18,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:18,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875686887] [2021-03-26 03:48:18,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:18,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:18,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:18,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:18,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:18,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875686887] [2021-03-26 03:48:18,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:18,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:18,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314839740] [2021-03-26 03:48:18,692 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:18,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:18,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:18,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:18,704 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-03-26 03:48:18,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 49 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:18,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-03-26 03:48:18,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:18,737 INFO L129 PetriNetUnfolder]: 49/94 cut-off events. [2021-03-26 03:48:18,737 INFO L130 PetriNetUnfolder]: For 177/177 co-relation queries the response was YES. [2021-03-26 03:48:18,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 94 events. 49/94 cut-off events. For 177/177 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 279 event pairs, 0 based on Foata normal form. 31/125 useless extension candidates. Maximal degree in co-relation 166. Up to 30 conditions per place. [2021-03-26 03:48:18,740 INFO L132 encePairwiseOnDemand]: 63/69 looper letters, 1 selfloop transitions, 1 changer transitions 0/39 dead transitions. [2021-03-26 03:48:18,740 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 39 transitions, 178 flow [2021-03-26 03:48:18,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:18,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:18,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 193 transitions. [2021-03-26 03:48:18,749 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9323671497584541 [2021-03-26 03:48:18,749 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 193 transitions. [2021-03-26 03:48:18,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 193 transitions. [2021-03-26 03:48:18,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:18,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 193 transitions. [2021-03-26 03:48:18,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,759 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,761 INFO L185 Difference]: Start difference. First operand has 38 places, 49 transitions, 224 flow. Second operand 3 states and 193 transitions. [2021-03-26 03:48:18,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 39 transitions, 178 flow [2021-03-26 03:48:18,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 39 transitions, 114 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-03-26 03:48:18,767 INFO L241 Difference]: Finished difference. Result has 28 places, 39 transitions, 112 flow [2021-03-26 03:48:18,768 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=28, PETRI_TRANSITIONS=39} [2021-03-26 03:48:18,769 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -10 predicate places. [2021-03-26 03:48:18,769 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:18,769 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 39 transitions, 112 flow [2021-03-26 03:48:18,770 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 39 transitions, 112 flow [2021-03-26 03:48:18,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 39 transitions, 112 flow [2021-03-26 03:48:18,776 INFO L129 PetriNetUnfolder]: 49/94 cut-off events. [2021-03-26 03:48:18,776 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:18,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 94 events. 49/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 233 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 88. Up to 30 conditions per place. [2021-03-26 03:48:18,777 INFO L142 LiptonReduction]: Number of co-enabled transitions 270 [2021-03-26 03:48:18,781 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:18,781 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:18,781 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-26 03:48:18,782 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 39 transitions, 112 flow [2021-03-26 03:48:18,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,783 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:18,783 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:18,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 03:48:18,783 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:18,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:18,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1690452846, now seen corresponding path program 1 times [2021-03-26 03:48:18,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:18,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709481769] [2021-03-26 03:48:18,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:18,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:18,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:18,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:18,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709481769] [2021-03-26 03:48:18,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:18,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:18,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530070874] [2021-03-26 03:48:18,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:18,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:18,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:18,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:18,811 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-03-26 03:48:18,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 39 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:18,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-03-26 03:48:18,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:18,824 INFO L129 PetriNetUnfolder]: 33/73 cut-off events. [2021-03-26 03:48:18,824 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 03:48:18,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 73 events. 33/73 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 189 event pairs, 0 based on Foata normal form. 5/78 useless extension candidates. Maximal degree in co-relation 78. Up to 20 conditions per place. [2021-03-26 03:48:18,825 INFO L132 encePairwiseOnDemand]: 66/69 looper letters, 3 selfloop transitions, 1 changer transitions 0/37 dead transitions. [2021-03-26 03:48:18,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 37 transitions, 114 flow [2021-03-26 03:48:18,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:18,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:18,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2021-03-26 03:48:18,827 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2021-03-26 03:48:18,827 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 192 transitions. [2021-03-26 03:48:18,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 192 transitions. [2021-03-26 03:48:18,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:18,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 192 transitions. [2021-03-26 03:48:18,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,830 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,830 INFO L185 Difference]: Start difference. First operand has 28 places, 39 transitions, 112 flow. Second operand 3 states and 192 transitions. [2021-03-26 03:48:18,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 37 transitions, 114 flow [2021-03-26 03:48:18,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 37 transitions, 113 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:18,832 INFO L241 Difference]: Finished difference. Result has 29 places, 37 transitions, 107 flow [2021-03-26 03:48:18,832 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=29, PETRI_TRANSITIONS=37} [2021-03-26 03:48:18,832 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -9 predicate places. [2021-03-26 03:48:18,833 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:18,833 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 37 transitions, 107 flow [2021-03-26 03:48:18,833 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 37 transitions, 107 flow [2021-03-26 03:48:18,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 37 transitions, 107 flow [2021-03-26 03:48:18,838 INFO L129 PetriNetUnfolder]: 33/73 cut-off events. [2021-03-26 03:48:18,839 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:18,839 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 73 events. 33/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 180 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 74. Up to 20 conditions per place. [2021-03-26 03:48:18,839 INFO L142 LiptonReduction]: Number of co-enabled transitions 250 [2021-03-26 03:48:18,842 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:18,842 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:18,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-26 03:48:18,844 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 37 transitions, 107 flow [2021-03-26 03:48:18,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,844 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:18,844 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:18,844 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 03:48:18,844 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:18,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:18,845 INFO L82 PathProgramCache]: Analyzing trace with hash 352539060, now seen corresponding path program 1 times [2021-03-26 03:48:18,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:18,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390672146] [2021-03-26 03:48:18,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:18,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:18,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:18,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:18,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:18,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390672146] [2021-03-26 03:48:18,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:18,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:18,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311304970] [2021-03-26 03:48:18,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:18,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:18,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:18,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:18,867 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-03-26 03:48:18,868 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 37 transitions, 107 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,868 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:18,868 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-03-26 03:48:18,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:18,877 INFO L129 PetriNetUnfolder]: 12/42 cut-off events. [2021-03-26 03:48:18,878 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-26 03:48:18,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 42 events. 12/42 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 70 event pairs, 0 based on Foata normal form. 7/49 useless extension candidates. Maximal degree in co-relation 49. Up to 8 conditions per place. [2021-03-26 03:48:18,878 INFO L132 encePairwiseOnDemand]: 65/69 looper letters, 2 selfloop transitions, 1 changer transitions 0/34 dead transitions. [2021-03-26 03:48:18,878 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 34 transitions, 104 flow [2021-03-26 03:48:18,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:18,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:18,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2021-03-26 03:48:18,880 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2021-03-26 03:48:18,881 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 192 transitions. [2021-03-26 03:48:18,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 192 transitions. [2021-03-26 03:48:18,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:18,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 192 transitions. [2021-03-26 03:48:18,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,883 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,883 INFO L185 Difference]: Start difference. First operand has 29 places, 37 transitions, 107 flow. Second operand 3 states and 192 transitions. [2021-03-26 03:48:18,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 34 transitions, 104 flow [2021-03-26 03:48:18,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 34 transitions, 103 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:18,885 INFO L241 Difference]: Finished difference. Result has 30 places, 34 transitions, 99 flow [2021-03-26 03:48:18,885 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=30, PETRI_TRANSITIONS=34} [2021-03-26 03:48:18,885 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -8 predicate places. [2021-03-26 03:48:18,885 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:18,885 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 34 transitions, 99 flow [2021-03-26 03:48:18,886 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 34 transitions, 99 flow [2021-03-26 03:48:18,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 34 transitions, 99 flow [2021-03-26 03:48:18,889 INFO L129 PetriNetUnfolder]: 12/42 cut-off events. [2021-03-26 03:48:18,889 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:18,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 42 events. 12/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 73 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 44. Up to 8 conditions per place. [2021-03-26 03:48:18,890 INFO L142 LiptonReduction]: Number of co-enabled transitions 184 [2021-03-26 03:48:18,892 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:18,892 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:18,892 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-26 03:48:18,894 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 34 transitions, 99 flow [2021-03-26 03:48:18,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,894 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:18,894 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:18,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 03:48:18,894 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:18,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:18,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1582961168, now seen corresponding path program 1 times [2021-03-26 03:48:18,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:18,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477292104] [2021-03-26 03:48:18,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:18,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:18,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:18,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:18,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:18,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477292104] [2021-03-26 03:48:18,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:18,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:18,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755235659] [2021-03-26 03:48:18,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:18,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:18,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:18,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:18,915 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-03-26 03:48:18,915 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 34 transitions, 99 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,915 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:18,916 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-03-26 03:48:18,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:18,923 INFO L129 PetriNetUnfolder]: 1/21 cut-off events. [2021-03-26 03:48:18,923 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 03:48:18,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 21 events. 1/21 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 5/26 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2021-03-26 03:48:18,923 INFO L132 encePairwiseOnDemand]: 64/69 looper letters, 1 selfloop transitions, 1 changer transitions 0/21 dead transitions. [2021-03-26 03:48:18,923 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 21 transitions, 64 flow [2021-03-26 03:48:18,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:18,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:18,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2021-03-26 03:48:18,925 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2021-03-26 03:48:18,926 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 192 transitions. [2021-03-26 03:48:18,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 192 transitions. [2021-03-26 03:48:18,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:18,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 192 transitions. [2021-03-26 03:48:18,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,928 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,928 INFO L185 Difference]: Start difference. First operand has 30 places, 34 transitions, 99 flow. Second operand 3 states and 192 transitions. [2021-03-26 03:48:18,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 21 transitions, 64 flow [2021-03-26 03:48:18,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 21 transitions, 63 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:18,929 INFO L241 Difference]: Finished difference. Result has 31 places, 21 transitions, 61 flow [2021-03-26 03:48:18,929 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=59, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=61, PETRI_PLACES=31, PETRI_TRANSITIONS=21} [2021-03-26 03:48:18,929 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -7 predicate places. [2021-03-26 03:48:18,929 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:18,930 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 21 transitions, 61 flow [2021-03-26 03:48:18,930 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 21 transitions, 61 flow [2021-03-26 03:48:18,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 21 transitions, 61 flow [2021-03-26 03:48:18,932 INFO L129 PetriNetUnfolder]: 1/21 cut-off events. [2021-03-26 03:48:18,932 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:18,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 21 events. 1/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 17 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2021-03-26 03:48:18,933 INFO L142 LiptonReduction]: Number of co-enabled transitions 108 [2021-03-26 03:48:18,934 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:18,934 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:18,934 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-26 03:48:18,935 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 21 transitions, 61 flow [2021-03-26 03:48:18,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:18,935 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:18,935 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:18,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 03:48:18,935 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:18,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:18,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1170099768, now seen corresponding path program 1 times [2021-03-26 03:48:18,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:18,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476963117] [2021-03-26 03:48:18,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:18,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:18,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:19,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:19,015 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:19,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:19,031 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:19,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:19,052 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:19,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:19,076 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:19,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:19,107 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:19,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:19,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:19,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476963117] [2021-03-26 03:48:19,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:19,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:19,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304395305] [2021-03-26 03:48:19,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:19,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:19,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:19,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:19,141 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:19,142 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 21 transitions, 61 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,142 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:19,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:19,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:19,239 INFO L129 PetriNetUnfolder]: 159/327 cut-off events. [2021-03-26 03:48:19,240 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:19,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 586 conditions, 327 events. 159/327 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1516 event pairs, 49 based on Foata normal form. 1/297 useless extension candidates. Maximal degree in co-relation 576. Up to 97 conditions per place. [2021-03-26 03:48:19,242 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 20 selfloop transitions, 6 changer transitions 0/40 dead transitions. [2021-03-26 03:48:19,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 40 transitions, 151 flow [2021-03-26 03:48:19,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:19,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:19,244 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:19,244 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:19,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:19,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:19,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:19,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,248 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,248 INFO L185 Difference]: Start difference. First operand has 31 places, 21 transitions, 61 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:19,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 40 transitions, 151 flow [2021-03-26 03:48:19,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 40 transitions, 150 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:19,250 INFO L241 Difference]: Finished difference. Result has 43 places, 26 transitions, 105 flow [2021-03-26 03:48:19,250 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=105, PETRI_PLACES=43, PETRI_TRANSITIONS=26} [2021-03-26 03:48:19,250 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 5 predicate places. [2021-03-26 03:48:19,250 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:19,250 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 26 transitions, 105 flow [2021-03-26 03:48:19,251 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 26 transitions, 105 flow [2021-03-26 03:48:19,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 26 transitions, 105 flow [2021-03-26 03:48:19,255 INFO L129 PetriNetUnfolder]: 4/63 cut-off events. [2021-03-26 03:48:19,255 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-03-26 03:48:19,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 63 events. 4/63 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 217 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 96. Up to 8 conditions per place. [2021-03-26 03:48:19,256 INFO L142 LiptonReduction]: Number of co-enabled transitions 152 [2021-03-26 03:48:19,257 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:19,257 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:19,258 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-26 03:48:19,258 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 26 transitions, 105 flow [2021-03-26 03:48:19,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,259 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:19,259 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:19,259 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 03:48:19,259 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:19,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:19,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1771331794, now seen corresponding path program 2 times [2021-03-26 03:48:19,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:19,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240253184] [2021-03-26 03:48:19,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:19,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:19,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:19,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:19,317 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:19,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:19,338 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:19,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:19,360 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:48:19,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:48:19,399 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:19,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:19,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:19,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240253184] [2021-03-26 03:48:19,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:19,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:19,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272252231] [2021-03-26 03:48:19,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:19,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:19,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:19,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:19,426 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:19,427 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 26 transitions, 105 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,427 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:19,427 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:19,427 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:19,539 INFO L129 PetriNetUnfolder]: 203/536 cut-off events. [2021-03-26 03:48:19,539 INFO L130 PetriNetUnfolder]: For 411/424 co-relation queries the response was YES. [2021-03-26 03:48:19,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1230 conditions, 536 events. 203/536 cut-off events. For 411/424 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3438 event pairs, 49 based on Foata normal form. 1/507 useless extension candidates. Maximal degree in co-relation 1214. Up to 131 conditions per place. [2021-03-26 03:48:19,543 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 23 selfloop transitions, 9 changer transitions 0/46 dead transitions. [2021-03-26 03:48:19,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 46 transitions, 256 flow [2021-03-26 03:48:19,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:19,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:19,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:19,545 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:19,545 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:19,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:19,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:19,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:19,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,548 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,548 INFO L185 Difference]: Start difference. First operand has 43 places, 26 transitions, 105 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:19,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 46 transitions, 256 flow [2021-03-26 03:48:19,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 46 transitions, 250 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:19,582 INFO L241 Difference]: Finished difference. Result has 55 places, 32 transitions, 178 flow [2021-03-26 03:48:19,582 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=178, PETRI_PLACES=55, PETRI_TRANSITIONS=32} [2021-03-26 03:48:19,582 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 17 predicate places. [2021-03-26 03:48:19,582 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:19,582 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 32 transitions, 178 flow [2021-03-26 03:48:19,582 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 32 transitions, 178 flow [2021-03-26 03:48:19,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 32 transitions, 178 flow [2021-03-26 03:48:19,606 INFO L129 PetriNetUnfolder]: 10/146 cut-off events. [2021-03-26 03:48:19,606 INFO L130 PetriNetUnfolder]: For 104/104 co-relation queries the response was YES. [2021-03-26 03:48:19,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 146 events. 10/146 cut-off events. For 104/104 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 892 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 275. Up to 20 conditions per place. [2021-03-26 03:48:19,608 INFO L142 LiptonReduction]: Number of co-enabled transitions 208 [2021-03-26 03:48:19,610 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:19,610 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:19,610 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-03-26 03:48:19,611 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 32 transitions, 178 flow [2021-03-26 03:48:19,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,611 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:19,611 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:19,612 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 03:48:19,612 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:19,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:19,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1945596050, now seen corresponding path program 3 times [2021-03-26 03:48:19,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:19,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57602960] [2021-03-26 03:48:19,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:19,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:19,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:19,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:19,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:19,661 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:19,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:19,676 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:19,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:19,693 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:48:19,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:48:19,725 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:19,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:19,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:19,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57602960] [2021-03-26 03:48:19,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:19,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:19,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555584806] [2021-03-26 03:48:19,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:19,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:19,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:19,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:19,747 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:19,748 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 32 transitions, 178 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,748 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:19,748 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:19,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:19,894 INFO L129 PetriNetUnfolder]: 225/740 cut-off events. [2021-03-26 03:48:19,894 INFO L130 PetriNetUnfolder]: For 1512/1550 co-relation queries the response was YES. [2021-03-26 03:48:19,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2112 conditions, 740 events. 225/740 cut-off events. For 1512/1550 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 5956 event pairs, 52 based on Foata normal form. 1/702 useless extension candidates. Maximal degree in co-relation 2090. Up to 179 conditions per place. [2021-03-26 03:48:19,900 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 38 selfloop transitions, 15 changer transitions 0/67 dead transitions. [2021-03-26 03:48:19,901 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 67 transitions, 536 flow [2021-03-26 03:48:19,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:19,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:19,902 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:19,903 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:19,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:19,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:19,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:19,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,905 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,905 INFO L185 Difference]: Start difference. First operand has 55 places, 32 transitions, 178 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:19,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 67 transitions, 536 flow [2021-03-26 03:48:19,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 67 transitions, 518 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:19,912 INFO L241 Difference]: Finished difference. Result has 67 places, 44 transitions, 343 flow [2021-03-26 03:48:19,913 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=343, PETRI_PLACES=67, PETRI_TRANSITIONS=44} [2021-03-26 03:48:19,913 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 29 predicate places. [2021-03-26 03:48:19,913 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:19,913 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 44 transitions, 343 flow [2021-03-26 03:48:19,913 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 44 transitions, 343 flow [2021-03-26 03:48:19,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 44 transitions, 343 flow [2021-03-26 03:48:19,965 INFO L129 PetriNetUnfolder]: 23/312 cut-off events. [2021-03-26 03:48:19,965 INFO L130 PetriNetUnfolder]: For 492/506 co-relation queries the response was YES. [2021-03-26 03:48:19,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 312 events. 23/312 cut-off events. For 492/506 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2606 event pairs, 0 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 699. Up to 46 conditions per place. [2021-03-26 03:48:19,968 INFO L142 LiptonReduction]: Number of co-enabled transitions 308 [2021-03-26 03:48:19,975 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:19,975 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:19,976 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-03-26 03:48:19,977 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 44 transitions, 343 flow [2021-03-26 03:48:19,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:19,977 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:19,977 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:19,977 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 03:48:19,977 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:19,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:19,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1450839060, now seen corresponding path program 4 times [2021-03-26 03:48:19,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:19,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458745287] [2021-03-26 03:48:19,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:20,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:20,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:20,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:20,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:20,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:20,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:20,048 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:20,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:20,068 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:20,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:20,096 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:20,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:20,125 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:20,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:20,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:20,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458745287] [2021-03-26 03:48:20,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:20,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:20,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037907982] [2021-03-26 03:48:20,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:20,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:20,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:20,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:20,156 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:20,157 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 44 transitions, 343 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,157 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:20,157 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:20,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:20,365 INFO L129 PetriNetUnfolder]: 273/1086 cut-off events. [2021-03-26 03:48:20,366 INFO L130 PetriNetUnfolder]: For 3716/3756 co-relation queries the response was YES. [2021-03-26 03:48:20,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3421 conditions, 1086 events. 273/1086 cut-off events. For 3716/3756 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 10360 event pairs, 58 based on Foata normal form. 1/1036 useless extension candidates. Maximal degree in co-relation 3393. Up to 249 conditions per place. [2021-03-26 03:48:20,376 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 48 selfloop transitions, 23 changer transitions 0/85 dead transitions. [2021-03-26 03:48:20,376 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 85 transitions, 890 flow [2021-03-26 03:48:20,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:20,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:20,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:20,378 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:20,378 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:20,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:20,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:20,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:20,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,381 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,381 INFO L185 Difference]: Start difference. First operand has 67 places, 44 transitions, 343 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:20,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 85 transitions, 890 flow [2021-03-26 03:48:20,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 85 transitions, 878 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:20,391 INFO L241 Difference]: Finished difference. Result has 79 places, 62 transitions, 649 flow [2021-03-26 03:48:20,391 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=649, PETRI_PLACES=79, PETRI_TRANSITIONS=62} [2021-03-26 03:48:20,392 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 41 predicate places. [2021-03-26 03:48:20,392 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:20,392 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 62 transitions, 649 flow [2021-03-26 03:48:20,392 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 62 transitions, 649 flow [2021-03-26 03:48:20,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 62 transitions, 649 flow [2021-03-26 03:48:20,446 INFO L129 PetriNetUnfolder]: 39/520 cut-off events. [2021-03-26 03:48:20,446 INFO L130 PetriNetUnfolder]: For 1565/1595 co-relation queries the response was YES. [2021-03-26 03:48:20,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1415 conditions, 520 events. 39/520 cut-off events. For 1565/1595 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5151 event pairs, 0 based on Foata normal form. 0/478 useless extension candidates. Maximal degree in co-relation 1382. Up to 78 conditions per place. [2021-03-26 03:48:20,452 INFO L142 LiptonReduction]: Number of co-enabled transitions 434 [2021-03-26 03:48:20,458 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:20,458 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:20,458 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 66 [2021-03-26 03:48:20,459 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 62 transitions, 649 flow [2021-03-26 03:48:20,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:20,460 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:20,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 03:48:20,460 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:20,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:20,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1462267974, now seen corresponding path program 5 times [2021-03-26 03:48:20,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:20,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009183443] [2021-03-26 03:48:20,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:20,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:20,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:20,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:20,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:20,518 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:20,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:20,529 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:20,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:20,551 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:48:20,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:48:20,586 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:20,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:20,613 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:20,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:20,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:20,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009183443] [2021-03-26 03:48:20,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:20,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:20,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939929183] [2021-03-26 03:48:20,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:20,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:20,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:20,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:20,653 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:20,654 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 62 transitions, 649 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:20,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:20,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:20,917 INFO L129 PetriNetUnfolder]: 303/1228 cut-off events. [2021-03-26 03:48:20,917 INFO L130 PetriNetUnfolder]: For 6322/6386 co-relation queries the response was YES. [2021-03-26 03:48:20,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4403 conditions, 1228 events. 303/1228 cut-off events. For 6322/6386 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 12113 event pairs, 63 based on Foata normal form. 1/1172 useless extension candidates. Maximal degree in co-relation 4369. Up to 280 conditions per place. [2021-03-26 03:48:20,931 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 43 selfloop transitions, 33 changer transitions 0/90 dead transitions. [2021-03-26 03:48:20,931 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 90 transitions, 1114 flow [2021-03-26 03:48:20,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:20,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:20,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:20,933 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:20,933 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:20,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:20,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:20,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:20,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,939 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:20,939 INFO L185 Difference]: Start difference. First operand has 79 places, 62 transitions, 649 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:20,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 90 transitions, 1114 flow [2021-03-26 03:48:20,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 90 transitions, 1092 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:20,960 INFO L241 Difference]: Finished difference. Result has 91 places, 75 transitions, 932 flow [2021-03-26 03:48:20,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=932, PETRI_PLACES=91, PETRI_TRANSITIONS=75} [2021-03-26 03:48:20,960 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 53 predicate places. [2021-03-26 03:48:20,960 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:20,960 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 75 transitions, 932 flow [2021-03-26 03:48:20,960 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 75 transitions, 932 flow [2021-03-26 03:48:20,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 75 transitions, 932 flow [2021-03-26 03:48:21,023 INFO L129 PetriNetUnfolder]: 40/583 cut-off events. [2021-03-26 03:48:21,023 INFO L130 PetriNetUnfolder]: For 2681/2815 co-relation queries the response was YES. [2021-03-26 03:48:21,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1825 conditions, 583 events. 40/583 cut-off events. For 2681/2815 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5946 event pairs, 0 based on Foata normal form. 0/531 useless extension candidates. Maximal degree in co-relation 1786. Up to 80 conditions per place. [2021-03-26 03:48:21,031 INFO L142 LiptonReduction]: Number of co-enabled transitions 544 [2021-03-26 03:48:21,041 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:21,041 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:21,041 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 81 [2021-03-26 03:48:21,044 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 75 transitions, 932 flow [2021-03-26 03:48:21,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,045 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:21,045 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:21,045 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 03:48:21,045 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:21,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:21,045 INFO L82 PathProgramCache]: Analyzing trace with hash 135383418, now seen corresponding path program 6 times [2021-03-26 03:48:21,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:21,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437219321] [2021-03-26 03:48:21,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:21,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:21,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:21,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:21,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:21,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:21,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:21,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:21,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:21,113 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:48:21,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:48:21,146 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:21,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:21,173 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:21,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:21,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:21,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437219321] [2021-03-26 03:48:21,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:21,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:21,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264718747] [2021-03-26 03:48:21,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:21,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:21,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:21,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:21,200 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:21,201 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 75 transitions, 932 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,201 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:21,201 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:21,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:21,460 INFO L129 PetriNetUnfolder]: 280/1316 cut-off events. [2021-03-26 03:48:21,460 INFO L130 PetriNetUnfolder]: For 10146/10202 co-relation queries the response was YES. [2021-03-26 03:48:21,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5429 conditions, 1316 events. 280/1316 cut-off events. For 10146/10202 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 13775 event pairs, 85 based on Foata normal form. 2/1261 useless extension candidates. Maximal degree in co-relation 5389. Up to 273 conditions per place. [2021-03-26 03:48:21,474 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 57 selfloop transitions, 35 changer transitions 1/107 dead transitions. [2021-03-26 03:48:21,474 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 107 transitions, 1541 flow [2021-03-26 03:48:21,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:21,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:21,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:21,476 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:21,476 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:21,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:21,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:21,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:21,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,479 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,479 INFO L185 Difference]: Start difference. First operand has 91 places, 75 transitions, 932 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:21,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 107 transitions, 1541 flow [2021-03-26 03:48:21,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 107 transitions, 1452 flow, removed 30 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:21,507 INFO L241 Difference]: Finished difference. Result has 103 places, 83 transitions, 1102 flow [2021-03-26 03:48:21,508 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1102, PETRI_PLACES=103, PETRI_TRANSITIONS=83} [2021-03-26 03:48:21,508 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 65 predicate places. [2021-03-26 03:48:21,508 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:21,508 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 83 transitions, 1102 flow [2021-03-26 03:48:21,508 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 83 transitions, 1102 flow [2021-03-26 03:48:21,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 83 transitions, 1102 flow [2021-03-26 03:48:21,610 INFO L129 PetriNetUnfolder]: 43/735 cut-off events. [2021-03-26 03:48:21,610 INFO L130 PetriNetUnfolder]: For 4479/4725 co-relation queries the response was YES. [2021-03-26 03:48:21,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2561 conditions, 735 events. 43/735 cut-off events. For 4479/4725 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 8118 event pairs, 0 based on Foata normal form. 0/676 useless extension candidates. Maximal degree in co-relation 2516. Up to 86 conditions per place. [2021-03-26 03:48:21,621 INFO L142 LiptonReduction]: Number of co-enabled transitions 634 [2021-03-26 03:48:21,630 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:21,630 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:21,630 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 122 [2021-03-26 03:48:21,631 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 83 transitions, 1102 flow [2021-03-26 03:48:21,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,631 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:21,631 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:21,631 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 03:48:21,632 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:21,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:21,632 INFO L82 PathProgramCache]: Analyzing trace with hash -109852654, now seen corresponding path program 7 times [2021-03-26 03:48:21,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:21,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832529446] [2021-03-26 03:48:21,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:21,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:21,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:21,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:21,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:21,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:21,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:21,689 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:21,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:21,703 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:21,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:21,724 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:48:21,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:48:21,749 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:21,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:21,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:21,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832529446] [2021-03-26 03:48:21,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:21,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:21,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887036487] [2021-03-26 03:48:21,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:21,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:21,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:21,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:21,775 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:21,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 83 transitions, 1102 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:21,775 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:21,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:21,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:22,029 INFO L129 PetriNetUnfolder]: 271/1471 cut-off events. [2021-03-26 03:48:22,030 INFO L130 PetriNetUnfolder]: For 14290/14409 co-relation queries the response was YES. [2021-03-26 03:48:22,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6519 conditions, 1471 events. 271/1471 cut-off events. For 14290/14409 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 16409 event pairs, 99 based on Foata normal form. 4/1397 useless extension candidates. Maximal degree in co-relation 6473. Up to 286 conditions per place. [2021-03-26 03:48:22,048 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 71 selfloop transitions, 41 changer transitions 0/126 dead transitions. [2021-03-26 03:48:22,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 126 transitions, 1942 flow [2021-03-26 03:48:22,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:22,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:22,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:22,049 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:22,049 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:22,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:22,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:22,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:22,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,052 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,052 INFO L185 Difference]: Start difference. First operand has 102 places, 83 transitions, 1102 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:22,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 126 transitions, 1942 flow [2021-03-26 03:48:22,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 126 transitions, 1876 flow, removed 23 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:22,093 INFO L241 Difference]: Finished difference. Result has 113 places, 98 transitions, 1454 flow [2021-03-26 03:48:22,094 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=1058, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1454, PETRI_PLACES=113, PETRI_TRANSITIONS=98} [2021-03-26 03:48:22,094 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 75 predicate places. [2021-03-26 03:48:22,094 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:22,094 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 98 transitions, 1454 flow [2021-03-26 03:48:22,094 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 98 transitions, 1454 flow [2021-03-26 03:48:22,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 98 transitions, 1454 flow [2021-03-26 03:48:22,209 INFO L129 PetriNetUnfolder]: 61/947 cut-off events. [2021-03-26 03:48:22,209 INFO L130 PetriNetUnfolder]: For 7103/7331 co-relation queries the response was YES. [2021-03-26 03:48:22,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3414 conditions, 947 events. 61/947 cut-off events. For 7103/7331 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 11118 event pairs, 0 based on Foata normal form. 0/876 useless extension candidates. Maximal degree in co-relation 3364. Up to 122 conditions per place. [2021-03-26 03:48:22,223 INFO L142 LiptonReduction]: Number of co-enabled transitions 744 [2021-03-26 03:48:22,237 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:22,237 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:22,237 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 143 [2021-03-26 03:48:22,238 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 98 transitions, 1454 flow [2021-03-26 03:48:22,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,238 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:22,238 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:22,238 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 03:48:22,239 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:22,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:22,239 INFO L82 PathProgramCache]: Analyzing trace with hash 432502018, now seen corresponding path program 8 times [2021-03-26 03:48:22,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:22,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312059503] [2021-03-26 03:48:22,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:22,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:22,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:22,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:22,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:22,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:22,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:22,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:22,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:22,305 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:22,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:22,324 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:22,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:22,348 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:22,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:22,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:22,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312059503] [2021-03-26 03:48:22,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:22,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:22,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490245011] [2021-03-26 03:48:22,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:22,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:22,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:22,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:22,373 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:22,374 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 98 transitions, 1454 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:22,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:22,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:22,668 INFO L129 PetriNetUnfolder]: 267/1513 cut-off events. [2021-03-26 03:48:22,668 INFO L130 PetriNetUnfolder]: For 17718/17856 co-relation queries the response was YES. [2021-03-26 03:48:22,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7183 conditions, 1513 events. 267/1513 cut-off events. For 17718/17856 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 17045 event pairs, 98 based on Foata normal form. 8/1446 useless extension candidates. Maximal degree in co-relation 7132. Up to 283 conditions per place. [2021-03-26 03:48:22,685 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 77 selfloop transitions, 47 changer transitions 0/138 dead transitions. [2021-03-26 03:48:22,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 138 transitions, 2346 flow [2021-03-26 03:48:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:22,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:22,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:22,687 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:22,688 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:22,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:22,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:22,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:22,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,690 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,690 INFO L185 Difference]: Start difference. First operand has 113 places, 98 transitions, 1454 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:22,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 138 transitions, 2346 flow [2021-03-26 03:48:22,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 138 transitions, 2264 flow, removed 31 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:22,744 INFO L241 Difference]: Finished difference. Result has 125 places, 111 transitions, 1792 flow [2021-03-26 03:48:22,745 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=1384, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1792, PETRI_PLACES=125, PETRI_TRANSITIONS=111} [2021-03-26 03:48:22,745 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 87 predicate places. [2021-03-26 03:48:22,745 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:22,745 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 111 transitions, 1792 flow [2021-03-26 03:48:22,745 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 111 transitions, 1792 flow [2021-03-26 03:48:22,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 111 transitions, 1792 flow [2021-03-26 03:48:22,865 INFO L129 PetriNetUnfolder]: 67/1017 cut-off events. [2021-03-26 03:48:22,865 INFO L130 PetriNetUnfolder]: For 10343/10715 co-relation queries the response was YES. [2021-03-26 03:48:22,872 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4015 conditions, 1017 events. 67/1017 cut-off events. For 10343/10715 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 12167 event pairs, 0 based on Foata normal form. 1/957 useless extension candidates. Maximal degree in co-relation 3959. Up to 134 conditions per place. [2021-03-26 03:48:22,886 INFO L142 LiptonReduction]: Number of co-enabled transitions 846 [2021-03-26 03:48:22,903 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:22,903 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:22,903 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 158 [2021-03-26 03:48:22,906 INFO L480 AbstractCegarLoop]: Abstraction has has 125 places, 111 transitions, 1792 flow [2021-03-26 03:48:22,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:22,906 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:22,906 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:22,906 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 03:48:22,906 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:22,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:22,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1732370938, now seen corresponding path program 9 times [2021-03-26 03:48:22,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:22,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842933075] [2021-03-26 03:48:22,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:22,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:22,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:22,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:22,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:22,944 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:22,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:22,953 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:22,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:22,967 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:22,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:22,987 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:48:22,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:48:23,011 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:23,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:23,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:23,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842933075] [2021-03-26 03:48:23,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:23,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:23,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623748301] [2021-03-26 03:48:23,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:23,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:23,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:23,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:23,037 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:23,037 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 111 transitions, 1792 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:23,037 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:23,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:23,377 INFO L129 PetriNetUnfolder]: 282/1594 cut-off events. [2021-03-26 03:48:23,377 INFO L130 PetriNetUnfolder]: For 22109/22303 co-relation queries the response was YES. [2021-03-26 03:48:23,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7970 conditions, 1594 events. 282/1594 cut-off events. For 22109/22303 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 18223 event pairs, 78 based on Foata normal form. 16/1544 useless extension candidates. Maximal degree in co-relation 7913. Up to 294 conditions per place. [2021-03-26 03:48:23,398 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 69 selfloop transitions, 61 changer transitions 1/145 dead transitions. [2021-03-26 03:48:23,398 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 145 transitions, 2670 flow [2021-03-26 03:48:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:23,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:23,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:23,400 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:23,400 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:23,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:23,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:23,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:23,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,403 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,403 INFO L185 Difference]: Start difference. First operand has 125 places, 111 transitions, 1792 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:23,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 145 transitions, 2670 flow [2021-03-26 03:48:23,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 145 transitions, 2558 flow, removed 46 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:23,470 INFO L241 Difference]: Finished difference. Result has 137 places, 121 transitions, 2142 flow [2021-03-26 03:48:23,470 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=1712, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2142, PETRI_PLACES=137, PETRI_TRANSITIONS=121} [2021-03-26 03:48:23,471 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 99 predicate places. [2021-03-26 03:48:23,471 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:23,471 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 121 transitions, 2142 flow [2021-03-26 03:48:23,471 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 121 transitions, 2142 flow [2021-03-26 03:48:23,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 137 places, 121 transitions, 2142 flow [2021-03-26 03:48:23,623 INFO L129 PetriNetUnfolder]: 67/1029 cut-off events. [2021-03-26 03:48:23,624 INFO L130 PetriNetUnfolder]: For 13049/13674 co-relation queries the response was YES. [2021-03-26 03:48:23,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4393 conditions, 1029 events. 67/1029 cut-off events. For 13049/13674 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 12342 event pairs, 0 based on Foata normal form. 0/966 useless extension candidates. Maximal degree in co-relation 4331. Up to 134 conditions per place. [2021-03-26 03:48:23,641 INFO L142 LiptonReduction]: Number of co-enabled transitions 962 [2021-03-26 03:48:23,661 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:23,661 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:23,661 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 190 [2021-03-26 03:48:23,662 INFO L480 AbstractCegarLoop]: Abstraction has has 137 places, 121 transitions, 2142 flow [2021-03-26 03:48:23,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,662 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:23,662 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:23,662 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 03:48:23,663 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:23,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:23,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1473148824, now seen corresponding path program 10 times [2021-03-26 03:48:23,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:23,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689805426] [2021-03-26 03:48:23,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:23,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:23,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:23,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:23,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:23,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:23,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:23,703 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:23,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:23,716 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:23,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:23,739 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:23,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:23,763 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:23,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:23,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:23,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689805426] [2021-03-26 03:48:23,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:23,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:23,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115825931] [2021-03-26 03:48:23,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:23,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:23,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:23,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:23,788 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:23,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 121 transitions, 2142 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:23,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:23,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:23,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:24,197 INFO L129 PetriNetUnfolder]: 279/1628 cut-off events. [2021-03-26 03:48:24,197 INFO L130 PetriNetUnfolder]: For 27703/27951 co-relation queries the response was YES. [2021-03-26 03:48:24,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8817 conditions, 1628 events. 279/1628 cut-off events. For 27703/27951 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 18854 event pairs, 77 based on Foata normal form. 19/1572 useless extension candidates. Maximal degree in co-relation 8754. Up to 283 conditions per place. [2021-03-26 03:48:24,222 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 82 selfloop transitions, 56 changer transitions 0/152 dead transitions. [2021-03-26 03:48:24,222 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 152 transitions, 3042 flow [2021-03-26 03:48:24,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:24,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:24,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:24,224 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:24,224 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:24,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:24,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:24,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:24,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,227 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,227 INFO L185 Difference]: Start difference. First operand has 137 places, 121 transitions, 2142 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:24,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 152 transitions, 3042 flow [2021-03-26 03:48:24,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 152 transitions, 2942 flow, removed 40 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:24,335 INFO L241 Difference]: Finished difference. Result has 148 places, 137 transitions, 2606 flow [2021-03-26 03:48:24,336 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=2060, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2606, PETRI_PLACES=148, PETRI_TRANSITIONS=137} [2021-03-26 03:48:24,336 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 110 predicate places. [2021-03-26 03:48:24,336 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:24,336 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 137 transitions, 2606 flow [2021-03-26 03:48:24,336 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 137 transitions, 2606 flow [2021-03-26 03:48:24,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 137 transitions, 2606 flow [2021-03-26 03:48:24,491 INFO L129 PetriNetUnfolder]: 70/1079 cut-off events. [2021-03-26 03:48:24,491 INFO L130 PetriNetUnfolder]: For 16203/16787 co-relation queries the response was YES. [2021-03-26 03:48:24,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4880 conditions, 1079 events. 70/1079 cut-off events. For 16203/16787 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 13103 event pairs, 0 based on Foata normal form. 3/1014 useless extension candidates. Maximal degree in co-relation 4813. Up to 140 conditions per place. [2021-03-26 03:48:24,514 INFO L142 LiptonReduction]: Number of co-enabled transitions 1066 [2021-03-26 03:48:24,523 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:24,523 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:24,523 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 187 [2021-03-26 03:48:24,525 INFO L480 AbstractCegarLoop]: Abstraction has has 148 places, 137 transitions, 2606 flow [2021-03-26 03:48:24,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,525 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:24,526 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:24,526 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 03:48:24,526 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:24,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:24,526 INFO L82 PathProgramCache]: Analyzing trace with hash 384916286, now seen corresponding path program 11 times [2021-03-26 03:48:24,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:24,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16120643] [2021-03-26 03:48:24,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:24,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:24,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:24,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:24,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:24,559 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:24,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:24,568 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:24,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:24,582 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:24,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:24,601 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:48:24,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:48:24,628 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:24,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:24,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16120643] [2021-03-26 03:48:24,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:24,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:24,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643640418] [2021-03-26 03:48:24,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:24,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:24,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:24,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:24,654 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:24,654 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 137 transitions, 2606 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:24,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:24,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:24,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:25,039 INFO L129 PetriNetUnfolder]: 279/1646 cut-off events. [2021-03-26 03:48:25,039 INFO L130 PetriNetUnfolder]: For 31131/31379 co-relation queries the response was YES. [2021-03-26 03:48:25,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9233 conditions, 1646 events. 279/1646 cut-off events. For 31131/31379 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 19136 event pairs, 83 based on Foata normal form. 21/1595 useless extension candidates. Maximal degree in co-relation 9165. Up to 294 conditions per place. [2021-03-26 03:48:25,063 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 58 selfloop transitions, 84 changer transitions 1/157 dead transitions. [2021-03-26 03:48:25,063 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 157 transitions, 3298 flow [2021-03-26 03:48:25,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:25,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:25,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:25,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:25,066 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:25,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:25,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:25,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:25,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,069 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,069 INFO L185 Difference]: Start difference. First operand has 148 places, 137 transitions, 2606 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:25,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 157 transitions, 3298 flow [2021-03-26 03:48:25,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 157 transitions, 3178 flow, removed 32 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:25,207 INFO L241 Difference]: Finished difference. Result has 158 places, 143 transitions, 2896 flow [2021-03-26 03:48:25,207 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=2488, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2896, PETRI_PLACES=158, PETRI_TRANSITIONS=143} [2021-03-26 03:48:25,207 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 120 predicate places. [2021-03-26 03:48:25,207 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:25,208 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 158 places, 143 transitions, 2896 flow [2021-03-26 03:48:25,208 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 158 places, 143 transitions, 2896 flow [2021-03-26 03:48:25,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 158 places, 143 transitions, 2896 flow [2021-03-26 03:48:25,386 INFO L129 PetriNetUnfolder]: 70/1097 cut-off events. [2021-03-26 03:48:25,386 INFO L130 PetriNetUnfolder]: For 18876/19841 co-relation queries the response was YES. [2021-03-26 03:48:25,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5225 conditions, 1097 events. 70/1097 cut-off events. For 18876/19841 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 13332 event pairs, 0 based on Foata normal form. 1/1039 useless extension candidates. Maximal degree in co-relation 5153. Up to 140 conditions per place. [2021-03-26 03:48:25,415 INFO L142 LiptonReduction]: Number of co-enabled transitions 1122 [2021-03-26 03:48:25,425 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:25,425 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:25,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 218 [2021-03-26 03:48:25,428 INFO L480 AbstractCegarLoop]: Abstraction has has 158 places, 143 transitions, 2896 flow [2021-03-26 03:48:25,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,429 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:25,429 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:25,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 03:48:25,429 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:25,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:25,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1925717138, now seen corresponding path program 12 times [2021-03-26 03:48:25,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:25,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978877150] [2021-03-26 03:48:25,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:25,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:25,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:25,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:25,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:25,462 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:25,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:25,471 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:25,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:25,485 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:25,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:25,504 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:48:25,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:48:25,528 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:25,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:25,551 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 03:48:25,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978877150] [2021-03-26 03:48:25,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:25,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:25,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447215830] [2021-03-26 03:48:25,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:25,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:25,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:25,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:25,555 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:25,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 143 transitions, 2896 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:25,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:25,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:25,917 INFO L129 PetriNetUnfolder]: 279/1645 cut-off events. [2021-03-26 03:48:25,917 INFO L130 PetriNetUnfolder]: For 34910/35158 co-relation queries the response was YES. [2021-03-26 03:48:25,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9642 conditions, 1645 events. 279/1645 cut-off events. For 34910/35158 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 19116 event pairs, 83 based on Foata normal form. 21/1594 useless extension candidates. Maximal degree in co-relation 9569. Up to 294 conditions per place. [2021-03-26 03:48:25,944 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 64 selfloop transitions, 81 changer transitions 1/160 dead transitions. [2021-03-26 03:48:25,944 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 160 transitions, 3552 flow [2021-03-26 03:48:25,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:25,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:25,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:25,947 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:25,947 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:25,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:25,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:25,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:25,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,951 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:25,951 INFO L185 Difference]: Start difference. First operand has 158 places, 143 transitions, 2896 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:25,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 160 transitions, 3552 flow [2021-03-26 03:48:26,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 160 transitions, 3412 flow, removed 29 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:26,080 INFO L241 Difference]: Finished difference. Result has 167 places, 148 transitions, 3078 flow [2021-03-26 03:48:26,081 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=2764, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3078, PETRI_PLACES=167, PETRI_TRANSITIONS=148} [2021-03-26 03:48:26,081 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 129 predicate places. [2021-03-26 03:48:26,081 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:26,081 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 148 transitions, 3078 flow [2021-03-26 03:48:26,081 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 148 transitions, 3078 flow [2021-03-26 03:48:26,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 148 transitions, 3078 flow [2021-03-26 03:48:26,230 INFO L129 PetriNetUnfolder]: 70/1096 cut-off events. [2021-03-26 03:48:26,230 INFO L130 PetriNetUnfolder]: For 19740/20458 co-relation queries the response was YES. [2021-03-26 03:48:26,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5429 conditions, 1096 events. 70/1096 cut-off events. For 19740/20458 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 13343 event pairs, 0 based on Foata normal form. 3/1037 useless extension candidates. Maximal degree in co-relation 5353. Up to 140 conditions per place. [2021-03-26 03:48:26,256 INFO L142 LiptonReduction]: Number of co-enabled transitions 1186 [2021-03-26 03:48:26,267 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:26,268 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:26,268 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 187 [2021-03-26 03:48:26,269 INFO L480 AbstractCegarLoop]: Abstraction has has 167 places, 148 transitions, 3078 flow [2021-03-26 03:48:26,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,269 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:26,269 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:26,269 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 03:48:26,269 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:26,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:26,270 INFO L82 PathProgramCache]: Analyzing trace with hash 881421328, now seen corresponding path program 13 times [2021-03-26 03:48:26,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:26,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819471128] [2021-03-26 03:48:26,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:26,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:26,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:26,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:26,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:26,300 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:26,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:26,311 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:26,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:26,325 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:26,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:26,345 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:26,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:26,370 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:26,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:26,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:26,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819471128] [2021-03-26 03:48:26,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:26,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:26,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420521270] [2021-03-26 03:48:26,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:26,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:26,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:26,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:26,396 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:26,396 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 148 transitions, 3078 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,396 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:26,396 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:26,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:26,771 INFO L129 PetriNetUnfolder]: 279/1644 cut-off events. [2021-03-26 03:48:26,771 INFO L130 PetriNetUnfolder]: For 37646/37894 co-relation queries the response was YES. [2021-03-26 03:48:26,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10002 conditions, 1644 events. 279/1644 cut-off events. For 37646/37894 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 19086 event pairs, 83 based on Foata normal form. 21/1593 useless extension candidates. Maximal degree in co-relation 9925. Up to 294 conditions per place. [2021-03-26 03:48:26,799 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 54 selfloop transitions, 91 changer transitions 1/160 dead transitions. [2021-03-26 03:48:26,799 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 160 transitions, 3624 flow [2021-03-26 03:48:26,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:26,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 03:48:26,800 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 03:48:26,801 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 03:48:26,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 03:48:26,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:26,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 03:48:26,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,803 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:26,803 INFO L185 Difference]: Start difference. First operand has 167 places, 148 transitions, 3078 flow. Second operand 8 states and 466 transitions. [2021-03-26 03:48:26,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 160 transitions, 3624 flow [2021-03-26 03:48:26,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 160 transitions, 3450 flow, removed 19 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:26,946 INFO L241 Difference]: Finished difference. Result has 174 places, 150 transitions, 3162 flow [2021-03-26 03:48:26,947 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=2904, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3162, PETRI_PLACES=174, PETRI_TRANSITIONS=150} [2021-03-26 03:48:26,947 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 136 predicate places. [2021-03-26 03:48:26,947 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:26,947 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 150 transitions, 3162 flow [2021-03-26 03:48:26,948 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 174 places, 150 transitions, 3162 flow [2021-03-26 03:48:26,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 174 places, 150 transitions, 3162 flow [2021-03-26 03:48:27,098 INFO L129 PetriNetUnfolder]: 70/1095 cut-off events. [2021-03-26 03:48:27,098 INFO L130 PetriNetUnfolder]: For 21378/22195 co-relation queries the response was YES. [2021-03-26 03:48:27,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5579 conditions, 1095 events. 70/1095 cut-off events. For 21378/22195 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 13327 event pairs, 0 based on Foata normal form. 3/1041 useless extension candidates. Maximal degree in co-relation 5500. Up to 140 conditions per place. [2021-03-26 03:48:27,160 INFO L142 LiptonReduction]: Number of co-enabled transitions 1206 [2021-03-26 03:48:27,172 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:27,172 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:27,172 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 225 [2021-03-26 03:48:27,173 INFO L480 AbstractCegarLoop]: Abstraction has has 174 places, 150 transitions, 3162 flow [2021-03-26 03:48:27,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,173 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:27,173 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:27,173 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 03:48:27,174 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:27,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:27,174 INFO L82 PathProgramCache]: Analyzing trace with hash 71391482, now seen corresponding path program 14 times [2021-03-26 03:48:27,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:27,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545336192] [2021-03-26 03:48:27,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:27,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:27,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:27,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:27,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:27,206 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:27,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:27,219 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:27,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:27,239 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:27,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:27,266 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:27,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:27,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545336192] [2021-03-26 03:48:27,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:27,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:27,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221678807] [2021-03-26 03:48:27,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:27,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:27,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:27,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:27,292 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:27,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 150 transitions, 3162 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:27,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:27,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:27,749 INFO L129 PetriNetUnfolder]: 277/1954 cut-off events. [2021-03-26 03:48:27,750 INFO L130 PetriNetUnfolder]: For 52802/53050 co-relation queries the response was YES. [2021-03-26 03:48:27,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12910 conditions, 1954 events. 277/1954 cut-off events. For 52802/53050 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 24026 event pairs, 42 based on Foata normal form. 2/1865 useless extension candidates. Maximal degree in co-relation 12830. Up to 474 conditions per place. [2021-03-26 03:48:27,786 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 180 selfloop transitions, 90 changer transitions 0/284 dead transitions. [2021-03-26 03:48:27,786 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 284 transitions, 7005 flow [2021-03-26 03:48:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:27,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:27,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:27,787 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:27,788 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:27,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:27,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:27,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:27,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,790 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:27,790 INFO L185 Difference]: Start difference. First operand has 174 places, 150 transitions, 3162 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:27,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 284 transitions, 7005 flow [2021-03-26 03:48:27,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 284 transitions, 6640 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:27,979 INFO L241 Difference]: Finished difference. Result has 183 places, 213 transitions, 4970 flow [2021-03-26 03:48:27,979 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=2984, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4970, PETRI_PLACES=183, PETRI_TRANSITIONS=213} [2021-03-26 03:48:27,980 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 145 predicate places. [2021-03-26 03:48:27,980 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:27,980 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 213 transitions, 4970 flow [2021-03-26 03:48:27,980 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 213 transitions, 4970 flow [2021-03-26 03:48:27,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 183 places, 213 transitions, 4970 flow [2021-03-26 03:48:28,225 INFO L129 PetriNetUnfolder]: 109/1632 cut-off events. [2021-03-26 03:48:28,226 INFO L130 PetriNetUnfolder]: For 35220/35613 co-relation queries the response was YES. [2021-03-26 03:48:28,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8627 conditions, 1632 events. 109/1632 cut-off events. For 35220/35613 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 21477 event pairs, 0 based on Foata normal form. 2/1565 useless extension candidates. Maximal degree in co-relation 8542. Up to 218 conditions per place. [2021-03-26 03:48:28,261 INFO L142 LiptonReduction]: Number of co-enabled transitions 1398 [2021-03-26 03:48:28,280 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:28,280 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:28,280 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 300 [2021-03-26 03:48:28,281 INFO L480 AbstractCegarLoop]: Abstraction has has 183 places, 213 transitions, 4970 flow [2021-03-26 03:48:28,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,281 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:28,281 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:28,281 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 03:48:28,281 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:28,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:28,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1996286544, now seen corresponding path program 15 times [2021-03-26 03:48:28,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:28,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032009689] [2021-03-26 03:48:28,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:28,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:28,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:28,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:28,312 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:28,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:28,323 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:28,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:28,339 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:28,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:28,360 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:28,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:28,385 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:28,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:28,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032009689] [2021-03-26 03:48:28,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:28,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:28,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598395453] [2021-03-26 03:48:28,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:28,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:28,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:28,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:28,410 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:28,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 213 transitions, 4970 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,410 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:28,410 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:28,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:28,896 INFO L129 PetriNetUnfolder]: 303/2122 cut-off events. [2021-03-26 03:48:28,896 INFO L130 PetriNetUnfolder]: For 51998/52317 co-relation queries the response was YES. [2021-03-26 03:48:28,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13018 conditions, 2122 events. 303/2122 cut-off events. For 51998/52317 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 26692 event pairs, 113 based on Foata normal form. 19/2058 useless extension candidates. Maximal degree in co-relation 12932. Up to 365 conditions per place. [2021-03-26 03:48:28,930 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 64 selfloop transitions, 147 changer transitions 1/226 dead transitions. [2021-03-26 03:48:28,930 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 226 transitions, 5690 flow [2021-03-26 03:48:28,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:28,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:28,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:28,932 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:28,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:28,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:28,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:28,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,937 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:28,937 INFO L185 Difference]: Start difference. First operand has 183 places, 213 transitions, 4970 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:28,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 226 transitions, 5690 flow [2021-03-26 03:48:29,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 226 transitions, 5660 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:29,175 INFO L241 Difference]: Finished difference. Result has 192 places, 216 transitions, 5331 flow [2021-03-26 03:48:29,175 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=4946, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5331, PETRI_PLACES=192, PETRI_TRANSITIONS=216} [2021-03-26 03:48:29,175 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 154 predicate places. [2021-03-26 03:48:29,175 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:29,175 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 192 places, 216 transitions, 5331 flow [2021-03-26 03:48:29,176 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 192 places, 216 transitions, 5331 flow [2021-03-26 03:48:29,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 192 places, 216 transitions, 5331 flow [2021-03-26 03:48:29,427 INFO L129 PetriNetUnfolder]: 109/1638 cut-off events. [2021-03-26 03:48:29,428 INFO L130 PetriNetUnfolder]: For 39451/39903 co-relation queries the response was YES. [2021-03-26 03:48:29,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9063 conditions, 1638 events. 109/1638 cut-off events. For 39451/39903 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 21570 event pairs, 0 based on Foata normal form. 3/1570 useless extension candidates. Maximal degree in co-relation 8975. Up to 218 conditions per place. [2021-03-26 03:48:29,467 INFO L142 LiptonReduction]: Number of co-enabled transitions 1434 [2021-03-26 03:48:29,487 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:29,487 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:29,487 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 312 [2021-03-26 03:48:29,489 INFO L480 AbstractCegarLoop]: Abstraction has has 192 places, 216 transitions, 5331 flow [2021-03-26 03:48:29,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,489 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:29,489 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:29,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 03:48:29,489 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:29,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:29,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1618551422, now seen corresponding path program 16 times [2021-03-26 03:48:29,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:29,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281326984] [2021-03-26 03:48:29,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:29,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:29,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:29,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:29,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:29,531 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:29,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:29,544 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:29,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:29,563 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:29,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:29,591 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:29,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:29,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:29,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281326984] [2021-03-26 03:48:29,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:29,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:29,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995946044] [2021-03-26 03:48:29,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:29,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:29,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:29,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:29,616 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:29,616 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 216 transitions, 5331 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:29,616 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:29,616 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:29,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:30,179 INFO L129 PetriNetUnfolder]: 279/2263 cut-off events. [2021-03-26 03:48:30,179 INFO L130 PetriNetUnfolder]: For 63183/63502 co-relation queries the response was YES. [2021-03-26 03:48:30,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14820 conditions, 2263 events. 279/2263 cut-off events. For 63183/63502 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 29390 event pairs, 81 based on Foata normal form. 12/2181 useless extension candidates. Maximal degree in co-relation 14731. Up to 421 conditions per place. [2021-03-26 03:48:30,216 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 186 selfloop transitions, 102 changer transitions 0/302 dead transitions. [2021-03-26 03:48:30,216 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 302 transitions, 8153 flow [2021-03-26 03:48:30,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:30,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:30,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:30,217 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:30,218 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:30,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:30,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:30,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:30,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,220 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,220 INFO L185 Difference]: Start difference. First operand has 192 places, 216 transitions, 5331 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:30,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 302 transitions, 8153 flow [2021-03-26 03:48:30,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 302 transitions, 7766 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:30,413 INFO L241 Difference]: Finished difference. Result has 201 places, 255 transitions, 6508 flow [2021-03-26 03:48:30,413 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=5044, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6508, PETRI_PLACES=201, PETRI_TRANSITIONS=255} [2021-03-26 03:48:30,413 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 163 predicate places. [2021-03-26 03:48:30,413 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:30,414 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 255 transitions, 6508 flow [2021-03-26 03:48:30,414 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 255 transitions, 6508 flow [2021-03-26 03:48:30,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 255 transitions, 6508 flow [2021-03-26 03:48:30,732 INFO L129 PetriNetUnfolder]: 136/1990 cut-off events. [2021-03-26 03:48:30,732 INFO L130 PetriNetUnfolder]: For 53713/54143 co-relation queries the response was YES. [2021-03-26 03:48:30,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11394 conditions, 1990 events. 136/1990 cut-off events. For 53713/54143 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 27270 event pairs, 0 based on Foata normal form. 10/1932 useless extension candidates. Maximal degree in co-relation 11300. Up to 272 conditions per place. [2021-03-26 03:48:30,772 INFO L142 LiptonReduction]: Number of co-enabled transitions 1590 [2021-03-26 03:48:30,793 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:30,793 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:30,794 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 381 [2021-03-26 03:48:30,794 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 255 transitions, 6508 flow [2021-03-26 03:48:30,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,794 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:30,795 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:30,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 03:48:30,795 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:30,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:30,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1642344288, now seen corresponding path program 17 times [2021-03-26 03:48:30,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:30,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086069451] [2021-03-26 03:48:30,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:30,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:30,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:30,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:30,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:30,814 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:30,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:30,823 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:30,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:30,841 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:30,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:30,863 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:30,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:30,888 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:30,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:30,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:30,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086069451] [2021-03-26 03:48:30,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:30,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:30,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094835267] [2021-03-26 03:48:30,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:30,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:30,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:30,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:30,920 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:30,920 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 255 transitions, 6508 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:30,920 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:30,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:30,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:31,485 INFO L129 PetriNetUnfolder]: 267/2345 cut-off events. [2021-03-26 03:48:31,485 INFO L130 PetriNetUnfolder]: For 69756/70184 co-relation queries the response was YES. [2021-03-26 03:48:31,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15608 conditions, 2345 events. 267/2345 cut-off events. For 69756/70184 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 31067 event pairs, 124 based on Foata normal form. 23/2271 useless extension candidates. Maximal degree in co-relation 15513. Up to 365 conditions per place. [2021-03-26 03:48:31,520 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 76 selfloop transitions, 182 changer transitions 1/273 dead transitions. [2021-03-26 03:48:31,520 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 273 transitions, 7510 flow [2021-03-26 03:48:31,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:31,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:31,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:31,522 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:31,522 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:31,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:31,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:31,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:31,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,524 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:31,524 INFO L185 Difference]: Start difference. First operand has 201 places, 255 transitions, 6508 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:31,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 273 transitions, 7510 flow [2021-03-26 03:48:31,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 273 transitions, 7376 flow, removed 49 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:31,791 INFO L241 Difference]: Finished difference. Result has 211 places, 262 transitions, 7018 flow [2021-03-26 03:48:31,791 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=6374, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7018, PETRI_PLACES=211, PETRI_TRANSITIONS=262} [2021-03-26 03:48:31,792 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 173 predicate places. [2021-03-26 03:48:31,792 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:31,792 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 262 transitions, 7018 flow [2021-03-26 03:48:31,792 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 262 transitions, 7018 flow [2021-03-26 03:48:31,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 211 places, 262 transitions, 7018 flow [2021-03-26 03:48:32,056 INFO L129 PetriNetUnfolder]: 136/2086 cut-off events. [2021-03-26 03:48:32,056 INFO L130 PetriNetUnfolder]: For 62862/63231 co-relation queries the response was YES. [2021-03-26 03:48:32,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12584 conditions, 2086 events. 136/2086 cut-off events. For 62862/63231 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 28986 event pairs, 0 based on Foata normal form. 1/2015 useless extension candidates. Maximal degree in co-relation 12486. Up to 272 conditions per place. [2021-03-26 03:48:32,127 INFO L142 LiptonReduction]: Number of co-enabled transitions 1648 [2021-03-26 03:48:32,145 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:32,145 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:32,146 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 354 [2021-03-26 03:48:32,146 INFO L480 AbstractCegarLoop]: Abstraction has has 211 places, 262 transitions, 7018 flow [2021-03-26 03:48:32,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:32,147 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:32,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 03:48:32,147 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:32,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:32,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1618713732, now seen corresponding path program 18 times [2021-03-26 03:48:32,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:32,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317152381] [2021-03-26 03:48:32,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:32,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:32,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:32,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:32,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:32,174 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:32,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:32,183 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:32,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:32,197 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:32,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:32,216 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:32,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:32,241 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:32,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:32,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:32,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317152381] [2021-03-26 03:48:32,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:32,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:32,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799997140] [2021-03-26 03:48:32,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:32,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:32,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:32,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:32,266 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:32,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 262 transitions, 7018 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,267 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:32,267 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:32,267 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:32,753 INFO L129 PetriNetUnfolder]: 264/2334 cut-off events. [2021-03-26 03:48:32,753 INFO L130 PetriNetUnfolder]: For 76510/77024 co-relation queries the response was YES. [2021-03-26 03:48:32,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16116 conditions, 2334 events. 264/2334 cut-off events. For 76510/77024 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 30903 event pairs, 114 based on Foata normal form. 24/2253 useless extension candidates. Maximal degree in co-relation 16017. Up to 379 conditions per place. [2021-03-26 03:48:32,781 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 122 selfloop transitions, 161 changer transitions 1/298 dead transitions. [2021-03-26 03:48:32,781 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 298 transitions, 8590 flow [2021-03-26 03:48:32,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:32,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:32,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:32,783 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:32,783 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:32,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:32,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:32,783 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:32,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,785 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:32,785 INFO L185 Difference]: Start difference. First operand has 211 places, 262 transitions, 7018 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:32,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 298 transitions, 8590 flow [2021-03-26 03:48:33,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 298 transitions, 8264 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:33,112 INFO L241 Difference]: Finished difference. Result has 219 places, 279 transitions, 7718 flow [2021-03-26 03:48:33,112 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=6704, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7718, PETRI_PLACES=219, PETRI_TRANSITIONS=279} [2021-03-26 03:48:33,112 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 181 predicate places. [2021-03-26 03:48:33,112 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:33,112 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 219 places, 279 transitions, 7718 flow [2021-03-26 03:48:33,113 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 219 places, 279 transitions, 7718 flow [2021-03-26 03:48:33,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 219 places, 279 transitions, 7718 flow [2021-03-26 03:48:33,392 INFO L129 PetriNetUnfolder]: 136/2084 cut-off events. [2021-03-26 03:48:33,392 INFO L130 PetriNetUnfolder]: For 68793/69179 co-relation queries the response was YES. [2021-03-26 03:48:33,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12933 conditions, 2084 events. 136/2084 cut-off events. For 68793/69179 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 28958 event pairs, 0 based on Foata normal form. 1/2018 useless extension candidates. Maximal degree in co-relation 12831. Up to 272 conditions per place. [2021-03-26 03:48:33,437 INFO L142 LiptonReduction]: Number of co-enabled transitions 1798 [2021-03-26 03:48:33,457 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:33,457 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:33,458 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 346 [2021-03-26 03:48:33,458 INFO L480 AbstractCegarLoop]: Abstraction has has 219 places, 279 transitions, 7718 flow [2021-03-26 03:48:33,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,458 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:33,459 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:33,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 03:48:33,459 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:33,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:33,459 INFO L82 PathProgramCache]: Analyzing trace with hash -189128520, now seen corresponding path program 19 times [2021-03-26 03:48:33,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:33,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271379193] [2021-03-26 03:48:33,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:33,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:33,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:33,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:33,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:33,478 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:33,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:33,489 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:48:33,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:48:33,503 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:33,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:33,521 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:33,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:33,546 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:33,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:33,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:33,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271379193] [2021-03-26 03:48:33,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:33,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:33,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635336942] [2021-03-26 03:48:33,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:33,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:33,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:33,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:33,570 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:33,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 279 transitions, 7718 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:33,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:33,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:33,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:34,137 INFO L129 PetriNetUnfolder]: 267/2342 cut-off events. [2021-03-26 03:48:34,137 INFO L130 PetriNetUnfolder]: For 83190/83884 co-relation queries the response was YES. [2021-03-26 03:48:34,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16517 conditions, 2342 events. 267/2342 cut-off events. For 83190/83884 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 31006 event pairs, 124 based on Foata normal form. 31/2276 useless extension candidates. Maximal degree in co-relation 16414. Up to 364 conditions per place. [2021-03-26 03:48:34,164 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 81 selfloop transitions, 193 changer transitions 0/288 dead transitions. [2021-03-26 03:48:34,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 288 transitions, 8534 flow [2021-03-26 03:48:34,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:34,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:34,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:34,166 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:34,166 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:34,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:34,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:34,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:34,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,168 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,168 INFO L185 Difference]: Start difference. First operand has 219 places, 279 transitions, 7718 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:34,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 288 transitions, 8534 flow [2021-03-26 03:48:34,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 288 transitions, 8260 flow, removed 48 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:34,461 INFO L241 Difference]: Finished difference. Result has 223 places, 282 transitions, 7940 flow [2021-03-26 03:48:34,462 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=7444, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7940, PETRI_PLACES=223, PETRI_TRANSITIONS=282} [2021-03-26 03:48:34,462 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 185 predicate places. [2021-03-26 03:48:34,462 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:34,462 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 282 transitions, 7940 flow [2021-03-26 03:48:34,462 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 282 transitions, 7940 flow [2021-03-26 03:48:34,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 223 places, 282 transitions, 7940 flow [2021-03-26 03:48:34,725 INFO L129 PetriNetUnfolder]: 136/2083 cut-off events. [2021-03-26 03:48:34,726 INFO L130 PetriNetUnfolder]: For 71029/71406 co-relation queries the response was YES. [2021-03-26 03:48:34,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13241 conditions, 2083 events. 136/2083 cut-off events. For 71029/71406 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 28924 event pairs, 0 based on Foata normal form. 1/2019 useless extension candidates. Maximal degree in co-relation 13140. Up to 272 conditions per place. [2021-03-26 03:48:34,760 INFO L142 LiptonReduction]: Number of co-enabled transitions 1828 [2021-03-26 03:48:34,775 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:34,776 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:34,776 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 314 [2021-03-26 03:48:34,776 INFO L480 AbstractCegarLoop]: Abstraction has has 223 places, 282 transitions, 7940 flow [2021-03-26 03:48:34,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,777 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:34,777 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:34,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 03:48:34,777 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:34,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:34,777 INFO L82 PathProgramCache]: Analyzing trace with hash -796340978, now seen corresponding path program 20 times [2021-03-26 03:48:34,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:34,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788953127] [2021-03-26 03:48:34,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:34,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:34,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:34,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:34,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:34,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:34,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:34,804 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:34,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:34,817 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:48:34,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:48:34,847 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:48:34,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:48:34,871 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:34,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:34,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:34,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788953127] [2021-03-26 03:48:34,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:34,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:34,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709410682] [2021-03-26 03:48:34,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:34,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:34,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:34,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:34,893 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:34,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 282 transitions, 7940 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:34,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:34,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:34,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:35,495 INFO L129 PetriNetUnfolder]: 265/2402 cut-off events. [2021-03-26 03:48:35,495 INFO L130 PetriNetUnfolder]: For 89402/90100 co-relation queries the response was YES. [2021-03-26 03:48:35,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17367 conditions, 2402 events. 265/2402 cut-off events. For 89402/90100 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 32102 event pairs, 99 based on Foata normal form. 18/2313 useless extension candidates. Maximal degree in co-relation 17265. Up to 401 conditions per place. [2021-03-26 03:48:35,525 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 197 selfloop transitions, 127 changer transitions 0/338 dead transitions. [2021-03-26 03:48:35,525 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 338 transitions, 10314 flow [2021-03-26 03:48:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:35,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:35,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:35,527 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:35,527 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:35,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:35,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:35,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:35,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,528 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:35,528 INFO L185 Difference]: Start difference. First operand has 223 places, 282 transitions, 7940 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:35,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 338 transitions, 10314 flow [2021-03-26 03:48:35,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 338 transitions, 9845 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-26 03:48:35,786 INFO L241 Difference]: Finished difference. Result has 230 places, 311 transitions, 8850 flow [2021-03-26 03:48:35,787 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=7550, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=8850, PETRI_PLACES=230, PETRI_TRANSITIONS=311} [2021-03-26 03:48:35,787 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 192 predicate places. [2021-03-26 03:48:35,787 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:35,787 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 230 places, 311 transitions, 8850 flow [2021-03-26 03:48:35,787 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 230 places, 311 transitions, 8850 flow [2021-03-26 03:48:35,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 230 places, 311 transitions, 8850 flow [2021-03-26 03:48:36,078 INFO L129 PetriNetUnfolder]: 139/2161 cut-off events. [2021-03-26 03:48:36,078 INFO L130 PetriNetUnfolder]: For 79987/80371 co-relation queries the response was YES. [2021-03-26 03:48:36,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14168 conditions, 2161 events. 139/2161 cut-off events. For 79987/80371 co-relation queries the response was YES. Maximal size of possible extension queue 402. Compared 30253 event pairs, 0 based on Foata normal form. 1/2092 useless extension candidates. Maximal degree in co-relation 14063. Up to 278 conditions per place. [2021-03-26 03:48:36,114 INFO L142 LiptonReduction]: Number of co-enabled transitions 1990 [2021-03-26 03:48:36,131 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:36,131 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:36,132 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 345 [2021-03-26 03:48:36,132 INFO L480 AbstractCegarLoop]: Abstraction has has 230 places, 311 transitions, 8850 flow [2021-03-26 03:48:36,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,132 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:36,132 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:36,132 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 03:48:36,132 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:36,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:36,133 INFO L82 PathProgramCache]: Analyzing trace with hash 2068408222, now seen corresponding path program 21 times [2021-03-26 03:48:36,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:36,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636065674] [2021-03-26 03:48:36,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:36,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:36,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:36,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:36,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:36,154 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:36,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:36,162 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:36,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:36,175 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:48:36,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:48:36,203 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:36,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:36,226 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:36,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:36,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636065674] [2021-03-26 03:48:36,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:36,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:36,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189084238] [2021-03-26 03:48:36,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:36,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:36,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:36,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:36,250 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:36,250 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 311 transitions, 8850 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,250 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:36,250 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:36,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:36,891 INFO L129 PetriNetUnfolder]: 253/2479 cut-off events. [2021-03-26 03:48:36,891 INFO L130 PetriNetUnfolder]: For 98927/99652 co-relation queries the response was YES. [2021-03-26 03:48:36,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18207 conditions, 2479 events. 253/2479 cut-off events. For 98927/99652 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33627 event pairs, 105 based on Foata normal form. 29/2388 useless extension candidates. Maximal degree in co-relation 18101. Up to 376 conditions per place. [2021-03-26 03:48:36,921 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 123 selfloop transitions, 201 changer transitions 0/338 dead transitions. [2021-03-26 03:48:36,921 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 338 transitions, 10217 flow [2021-03-26 03:48:36,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:36,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:36,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:36,922 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:36,922 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:36,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:36,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:36,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:36,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,924 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:36,924 INFO L185 Difference]: Start difference. First operand has 230 places, 311 transitions, 8850 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:36,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 338 transitions, 10217 flow [2021-03-26 03:48:37,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 338 transitions, 10019 flow, removed 44 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:37,267 INFO L241 Difference]: Finished difference. Result has 239 places, 322 transitions, 9408 flow [2021-03-26 03:48:37,268 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=8660, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=9408, PETRI_PLACES=239, PETRI_TRANSITIONS=322} [2021-03-26 03:48:37,268 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 201 predicate places. [2021-03-26 03:48:37,268 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:37,268 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 322 transitions, 9408 flow [2021-03-26 03:48:37,268 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 322 transitions, 9408 flow [2021-03-26 03:48:37,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 322 transitions, 9408 flow [2021-03-26 03:48:37,568 INFO L129 PetriNetUnfolder]: 139/2250 cut-off events. [2021-03-26 03:48:37,568 INFO L130 PetriNetUnfolder]: For 90711/91128 co-relation queries the response was YES. [2021-03-26 03:48:37,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15370 conditions, 2250 events. 139/2250 cut-off events. For 90711/91128 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 31804 event pairs, 0 based on Foata normal form. 2/2175 useless extension candidates. Maximal degree in co-relation 15261. Up to 278 conditions per place. [2021-03-26 03:48:37,608 INFO L142 LiptonReduction]: Number of co-enabled transitions 2106 [2021-03-26 03:48:37,627 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:37,627 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:37,627 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 359 [2021-03-26 03:48:37,627 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 322 transitions, 9408 flow [2021-03-26 03:48:37,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,628 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:37,628 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:37,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 03:48:37,628 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:37,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:37,628 INFO L82 PathProgramCache]: Analyzing trace with hash 365565104, now seen corresponding path program 22 times [2021-03-26 03:48:37,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:37,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660526453] [2021-03-26 03:48:37,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:37,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:37,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:37,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:37,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:37,648 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:37,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:37,656 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:37,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:37,674 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:37,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:37,693 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:37,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:37,719 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:37,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:37,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660526453] [2021-03-26 03:48:37,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:37,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:37,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601192415] [2021-03-26 03:48:37,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:37,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:37,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:37,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:37,744 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:37,744 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 322 transitions, 9408 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:37,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:37,744 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:37,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:38,265 INFO L129 PetriNetUnfolder]: 252/2479 cut-off events. [2021-03-26 03:48:38,265 INFO L130 PetriNetUnfolder]: For 105983/106706 co-relation queries the response was YES. [2021-03-26 03:48:38,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18740 conditions, 2479 events. 252/2479 cut-off events. For 105983/106706 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33672 event pairs, 113 based on Foata normal form. 29/2408 useless extension candidates. Maximal degree in co-relation 18630. Up to 396 conditions per place. [2021-03-26 03:48:38,294 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 138 selfloop transitions, 199 changer transitions 0/351 dead transitions. [2021-03-26 03:48:38,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 351 transitions, 11012 flow [2021-03-26 03:48:38,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:38,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:38,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:38,295 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:38,295 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:38,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:38,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:38,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:38,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,297 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:38,297 INFO L185 Difference]: Start difference. First operand has 239 places, 322 transitions, 9408 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:38,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 351 transitions, 11012 flow [2021-03-26 03:48:38,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 351 transitions, 10807 flow, removed 11 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:38,670 INFO L241 Difference]: Finished difference. Result has 249 places, 330 transitions, 10065 flow [2021-03-26 03:48:38,670 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=9203, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=191, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10065, PETRI_PLACES=249, PETRI_TRANSITIONS=330} [2021-03-26 03:48:38,670 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 211 predicate places. [2021-03-26 03:48:38,670 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:38,670 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 249 places, 330 transitions, 10065 flow [2021-03-26 03:48:38,671 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 249 places, 330 transitions, 10065 flow [2021-03-26 03:48:38,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 330 transitions, 10065 flow [2021-03-26 03:48:39,000 INFO L129 PetriNetUnfolder]: 139/2257 cut-off events. [2021-03-26 03:48:39,000 INFO L130 PetriNetUnfolder]: For 99962/100320 co-relation queries the response was YES. [2021-03-26 03:48:39,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16058 conditions, 2257 events. 139/2257 cut-off events. For 99962/100320 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 31864 event pairs, 0 based on Foata normal form. 1/2189 useless extension candidates. Maximal degree in co-relation 15944. Up to 278 conditions per place. [2021-03-26 03:48:39,083 INFO L142 LiptonReduction]: Number of co-enabled transitions 2174 [2021-03-26 03:48:39,110 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:39,111 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:39,111 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 441 [2021-03-26 03:48:39,112 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 330 transitions, 10065 flow [2021-03-26 03:48:39,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,112 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:39,112 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:39,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 03:48:39,112 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:39,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:39,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1897951838, now seen corresponding path program 23 times [2021-03-26 03:48:39,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:39,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103134579] [2021-03-26 03:48:39,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:39,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:39,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:39,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:39,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:39,133 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:39,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:39,141 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:39,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:39,153 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:39,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:39,169 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:39,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:39,198 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:39,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:39,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:39,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103134579] [2021-03-26 03:48:39,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:39,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:39,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641202330] [2021-03-26 03:48:39,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:39,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:39,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:39,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:39,223 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:39,224 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 330 transitions, 10065 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,224 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:39,224 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:39,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:39,822 INFO L129 PetriNetUnfolder]: 244/2523 cut-off events. [2021-03-26 03:48:39,822 INFO L130 PetriNetUnfolder]: For 117775/118531 co-relation queries the response was YES. [2021-03-26 03:48:39,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19741 conditions, 2523 events. 244/2523 cut-off events. For 117775/118531 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34538 event pairs, 105 based on Foata normal form. 32/2434 useless extension candidates. Maximal degree in co-relation 19626. Up to 394 conditions per place. [2021-03-26 03:48:39,850 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 146 selfloop transitions, 196 changer transitions 0/356 dead transitions. [2021-03-26 03:48:39,850 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 356 transitions, 11600 flow [2021-03-26 03:48:39,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:39,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:39,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:39,859 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:39,859 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:39,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:39,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:39,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:39,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,861 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:39,861 INFO L185 Difference]: Start difference. First operand has 249 places, 330 transitions, 10065 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:39,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 356 transitions, 11600 flow [2021-03-26 03:48:40,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 356 transitions, 11385 flow, removed 16 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:40,238 INFO L241 Difference]: Finished difference. Result has 258 places, 338 transitions, 10576 flow [2021-03-26 03:48:40,238 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=9854, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10576, PETRI_PLACES=258, PETRI_TRANSITIONS=338} [2021-03-26 03:48:40,238 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 220 predicate places. [2021-03-26 03:48:40,238 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:40,238 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 258 places, 338 transitions, 10576 flow [2021-03-26 03:48:40,239 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 258 places, 338 transitions, 10576 flow [2021-03-26 03:48:40,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 258 places, 338 transitions, 10576 flow [2021-03-26 03:48:40,567 INFO L129 PetriNetUnfolder]: 139/2320 cut-off events. [2021-03-26 03:48:40,568 INFO L130 PetriNetUnfolder]: For 110059/110419 co-relation queries the response was YES. [2021-03-26 03:48:40,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17102 conditions, 2320 events. 139/2320 cut-off events. For 110059/110419 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33038 event pairs, 0 based on Foata normal form. 0/2242 useless extension candidates. Maximal degree in co-relation 16984. Up to 278 conditions per place. [2021-03-26 03:48:40,612 INFO L142 LiptonReduction]: Number of co-enabled transitions 2252 [2021-03-26 03:48:40,639 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:40,639 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:40,639 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 401 [2021-03-26 03:48:40,639 INFO L480 AbstractCegarLoop]: Abstraction has has 258 places, 338 transitions, 10576 flow [2021-03-26 03:48:40,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:40,640 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:40,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 03:48:40,640 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:40,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:40,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1929461150, now seen corresponding path program 24 times [2021-03-26 03:48:40,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:40,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625559091] [2021-03-26 03:48:40,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:40,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:40,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:40,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:40,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:40,659 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:40,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:40,668 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:40,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:40,682 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:48:40,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:48:40,713 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:40,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:40,738 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:40,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:40,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:40,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625559091] [2021-03-26 03:48:40,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:40,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:40,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975965829] [2021-03-26 03:48:40,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:40,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:40,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:40,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:40,763 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:40,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 338 transitions, 10576 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:40,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:40,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:40,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:41,342 INFO L129 PetriNetUnfolder]: 244/2522 cut-off events. [2021-03-26 03:48:41,343 INFO L130 PetriNetUnfolder]: For 123765/124473 co-relation queries the response was YES. [2021-03-26 03:48:41,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20173 conditions, 2522 events. 244/2522 cut-off events. For 123765/124473 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34552 event pairs, 105 based on Foata normal form. 32/2434 useless extension candidates. Maximal degree in co-relation 20054. Up to 404 conditions per place. [2021-03-26 03:48:41,374 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 146 selfloop transitions, 205 changer transitions 0/365 dead transitions. [2021-03-26 03:48:41,374 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 365 transitions, 12206 flow [2021-03-26 03:48:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:41,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:41,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:41,375 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:41,375 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:41,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:41,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:41,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:41,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,377 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:41,377 INFO L185 Difference]: Start difference. First operand has 258 places, 338 transitions, 10576 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:41,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 365 transitions, 12206 flow [2021-03-26 03:48:41,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 365 transitions, 11725 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:41,816 INFO L241 Difference]: Finished difference. Result has 265 places, 345 transitions, 10837 flow [2021-03-26 03:48:41,816 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10103, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=198, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10837, PETRI_PLACES=265, PETRI_TRANSITIONS=345} [2021-03-26 03:48:41,817 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 227 predicate places. [2021-03-26 03:48:41,817 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:41,817 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 345 transitions, 10837 flow [2021-03-26 03:48:41,817 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 345 transitions, 10837 flow [2021-03-26 03:48:41,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 265 places, 345 transitions, 10837 flow [2021-03-26 03:48:42,137 INFO L129 PetriNetUnfolder]: 139/2319 cut-off events. [2021-03-26 03:48:42,138 INFO L130 PetriNetUnfolder]: For 116277/116635 co-relation queries the response was YES. [2021-03-26 03:48:42,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17356 conditions, 2319 events. 139/2319 cut-off events. For 116277/116635 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32997 event pairs, 0 based on Foata normal form. 0/2238 useless extension candidates. Maximal degree in co-relation 17234. Up to 278 conditions per place. [2021-03-26 03:48:42,187 INFO L142 LiptonReduction]: Number of co-enabled transitions 2332 [2021-03-26 03:48:42,215 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:42,216 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:42,216 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 399 [2021-03-26 03:48:42,216 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 345 transitions, 10837 flow [2021-03-26 03:48:42,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,217 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:42,217 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:42,217 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 03:48:42,217 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:42,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:42,217 INFO L82 PathProgramCache]: Analyzing trace with hash -2135503386, now seen corresponding path program 25 times [2021-03-26 03:48:42,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:42,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666961477] [2021-03-26 03:48:42,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:42,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:42,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:42,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:42,236 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:42,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:42,245 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:42,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:42,257 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:42,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:42,273 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:42,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:42,296 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:42,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:42,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:42,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666961477] [2021-03-26 03:48:42,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:42,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:42,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164119544] [2021-03-26 03:48:42,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:42,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:42,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:42,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:42,320 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:42,321 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 345 transitions, 10837 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:42,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:42,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:42,959 INFO L129 PetriNetUnfolder]: 244/2521 cut-off events. [2021-03-26 03:48:42,959 INFO L130 PetriNetUnfolder]: For 129629/130329 co-relation queries the response was YES. [2021-03-26 03:48:42,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20425 conditions, 2521 events. 244/2521 cut-off events. For 129629/130329 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34512 event pairs, 105 based on Foata normal form. 32/2433 useless extension candidates. Maximal degree in co-relation 20302. Up to 376 conditions per place. [2021-03-26 03:48:42,985 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 134 selfloop transitions, 213 changer transitions 0/361 dead transitions. [2021-03-26 03:48:42,985 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 361 transitions, 12106 flow [2021-03-26 03:48:42,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:42,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:42,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:42,986 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:42,986 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:42,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:42,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:42,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:42,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,987 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:42,987 INFO L185 Difference]: Start difference. First operand has 265 places, 345 transitions, 10837 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:42,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 361 transitions, 12106 flow [2021-03-26 03:48:43,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 361 transitions, 11887 flow, removed 18 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:43,392 INFO L241 Difference]: Finished difference. Result has 274 places, 354 transitions, 11446 flow [2021-03-26 03:48:43,392 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10618, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=204, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11446, PETRI_PLACES=274, PETRI_TRANSITIONS=354} [2021-03-26 03:48:43,392 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 236 predicate places. [2021-03-26 03:48:43,392 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:43,393 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 274 places, 354 transitions, 11446 flow [2021-03-26 03:48:43,393 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 274 places, 354 transitions, 11446 flow [2021-03-26 03:48:43,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 274 places, 354 transitions, 11446 flow [2021-03-26 03:48:43,714 INFO L129 PetriNetUnfolder]: 139/2318 cut-off events. [2021-03-26 03:48:43,714 INFO L130 PetriNetUnfolder]: For 123255/123602 co-relation queries the response was YES. [2021-03-26 03:48:43,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17846 conditions, 2318 events. 139/2318 cut-off events. For 123255/123602 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33054 event pairs, 0 based on Foata normal form. 0/2244 useless extension candidates. Maximal degree in co-relation 17720. Up to 278 conditions per place. [2021-03-26 03:48:43,756 INFO L142 LiptonReduction]: Number of co-enabled transitions 2440 [2021-03-26 03:48:43,778 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:43,779 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:43,779 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 387 [2021-03-26 03:48:43,779 INFO L480 AbstractCegarLoop]: Abstraction has has 274 places, 354 transitions, 11446 flow [2021-03-26 03:48:43,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,780 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:43,780 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:43,780 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-26 03:48:43,780 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:43,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:43,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1513075010, now seen corresponding path program 26 times [2021-03-26 03:48:43,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:43,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089565899] [2021-03-26 03:48:43,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:43,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:43,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:43,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:43,797 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:43,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:43,805 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:43,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:43,817 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:48:43,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:48:43,849 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:48:43,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:48:43,872 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:43,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:43,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:43,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089565899] [2021-03-26 03:48:43,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:43,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:43,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733596772] [2021-03-26 03:48:43,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:43,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:43,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:43,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:43,897 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:43,897 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 354 transitions, 11446 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:43,897 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:43,897 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:43,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:44,591 INFO L129 PetriNetUnfolder]: 244/2520 cut-off events. [2021-03-26 03:48:44,591 INFO L130 PetriNetUnfolder]: For 137470/138170 co-relation queries the response was YES. [2021-03-26 03:48:44,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20913 conditions, 2520 events. 244/2520 cut-off events. For 137470/138170 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34502 event pairs, 105 based on Foata normal form. 32/2443 useless extension candidates. Maximal degree in co-relation 20786. Up to 376 conditions per place. [2021-03-26 03:48:44,625 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 131 selfloop transitions, 216 changer transitions 0/361 dead transitions. [2021-03-26 03:48:44,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 361 transitions, 12438 flow [2021-03-26 03:48:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:44,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:44,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:44,626 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:44,626 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:44,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:44,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:44,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:44,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,628 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:44,628 INFO L185 Difference]: Start difference. First operand has 274 places, 354 transitions, 11446 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:44,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 361 transitions, 12438 flow [2021-03-26 03:48:45,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 361 transitions, 12087 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:45,130 INFO L241 Difference]: Finished difference. Result has 280 places, 357 transitions, 11663 flow [2021-03-26 03:48:45,131 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11095, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11663, PETRI_PLACES=280, PETRI_TRANSITIONS=357} [2021-03-26 03:48:45,131 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 242 predicate places. [2021-03-26 03:48:45,131 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:45,131 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 280 places, 357 transitions, 11663 flow [2021-03-26 03:48:45,131 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 280 places, 357 transitions, 11663 flow [2021-03-26 03:48:45,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 280 places, 357 transitions, 11663 flow [2021-03-26 03:48:45,478 INFO L129 PetriNetUnfolder]: 139/2317 cut-off events. [2021-03-26 03:48:45,478 INFO L130 PetriNetUnfolder]: For 129885/130281 co-relation queries the response was YES. [2021-03-26 03:48:45,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18180 conditions, 2317 events. 139/2317 cut-off events. For 129885/130281 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33008 event pairs, 0 based on Foata normal form. 1/2237 useless extension candidates. Maximal degree in co-relation 18052. Up to 278 conditions per place. [2021-03-26 03:48:45,525 INFO L142 LiptonReduction]: Number of co-enabled transitions 2466 [2021-03-26 03:48:45,546 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:45,546 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:45,546 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 415 [2021-03-26 03:48:45,546 INFO L480 AbstractCegarLoop]: Abstraction has has 280 places, 357 transitions, 11663 flow [2021-03-26 03:48:45,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:45,546 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:45,546 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:45,546 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-26 03:48:45,547 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:45,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:45,547 INFO L82 PathProgramCache]: Analyzing trace with hash -819346082, now seen corresponding path program 27 times [2021-03-26 03:48:45,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:45,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844553448] [2021-03-26 03:48:45,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:45,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:45,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:45,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:45,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:45,565 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:45,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:45,573 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:45,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:45,585 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:45,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:45,601 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:45,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:45,623 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:45,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:45,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:45,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844553448] [2021-03-26 03:48:45,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:45,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:45,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264059733] [2021-03-26 03:48:45,644 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:45,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:45,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:45,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:45,646 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:45,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 357 transitions, 11663 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:45,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:45,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:45,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:46,288 INFO L129 PetriNetUnfolder]: 244/2519 cut-off events. [2021-03-26 03:48:46,288 INFO L130 PetriNetUnfolder]: For 143449/144139 co-relation queries the response was YES. [2021-03-26 03:48:46,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21245 conditions, 2519 events. 244/2519 cut-off events. For 143449/144139 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34459 event pairs, 105 based on Foata normal form. 32/2442 useless extension candidates. Maximal degree in co-relation 21116. Up to 376 conditions per place. [2021-03-26 03:48:46,320 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 137 selfloop transitions, 213 changer transitions 0/364 dead transitions. [2021-03-26 03:48:46,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 364 transitions, 12665 flow [2021-03-26 03:48:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:46,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:46,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:46,321 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:46,321 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:46,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:46,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:46,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:46,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:46,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:46,323 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:46,323 INFO L185 Difference]: Start difference. First operand has 280 places, 357 transitions, 11663 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:46,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 364 transitions, 12665 flow [2021-03-26 03:48:46,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 364 transitions, 12260 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:46,916 INFO L241 Difference]: Finished difference. Result has 285 places, 360 transitions, 11813 flow [2021-03-26 03:48:46,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11258, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=210, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11813, PETRI_PLACES=285, PETRI_TRANSITIONS=360} [2021-03-26 03:48:46,916 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 247 predicate places. [2021-03-26 03:48:46,916 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:46,917 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 285 places, 360 transitions, 11813 flow [2021-03-26 03:48:46,917 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 285 places, 360 transitions, 11813 flow [2021-03-26 03:48:46,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 285 places, 360 transitions, 11813 flow [2021-03-26 03:48:47,251 INFO L129 PetriNetUnfolder]: 139/2316 cut-off events. [2021-03-26 03:48:47,252 INFO L130 PetriNetUnfolder]: For 134813/135167 co-relation queries the response was YES. [2021-03-26 03:48:47,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18426 conditions, 2316 events. 139/2316 cut-off events. For 134813/135167 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33009 event pairs, 0 based on Foata normal form. 0/2237 useless extension candidates. Maximal degree in co-relation 18296. Up to 278 conditions per place. [2021-03-26 03:48:47,294 INFO L142 LiptonReduction]: Number of co-enabled transitions 2490 [2021-03-26 03:48:47,317 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:47,317 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:47,317 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 401 [2021-03-26 03:48:47,317 INFO L480 AbstractCegarLoop]: Abstraction has has 285 places, 360 transitions, 11813 flow [2021-03-26 03:48:47,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:47,318 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:47,318 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:47,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-26 03:48:47,318 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:47,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:47,318 INFO L82 PathProgramCache]: Analyzing trace with hash 583939516, now seen corresponding path program 28 times [2021-03-26 03:48:47,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:47,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112167644] [2021-03-26 03:48:47,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:47,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:47,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:47,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:47,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:47,338 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:47,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:47,346 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:47,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:47,359 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:48:47,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:48:47,376 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:47,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:47,399 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:47,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:47,423 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 03:48:47,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112167644] [2021-03-26 03:48:47,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:47,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:47,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257505588] [2021-03-26 03:48:47,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:47,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:47,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:47,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:47,424 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:47,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 360 transitions, 11813 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:47,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:47,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:47,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:48,066 INFO L129 PetriNetUnfolder]: 244/2518 cut-off events. [2021-03-26 03:48:48,066 INFO L130 PetriNetUnfolder]: For 149482/150168 co-relation queries the response was YES. [2021-03-26 03:48:48,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21489 conditions, 2518 events. 244/2518 cut-off events. For 149482/150168 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34434 event pairs, 105 based on Foata normal form. 30/2439 useless extension candidates. Maximal degree in co-relation 21358. Up to 376 conditions per place. [2021-03-26 03:48:48,096 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 131 selfloop transitions, 219 changer transitions 0/364 dead transitions. [2021-03-26 03:48:48,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 364 transitions, 12729 flow [2021-03-26 03:48:48,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:48,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:48,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:48,097 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:48,097 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:48,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:48,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:48,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:48,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:48,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:48,098 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:48,099 INFO L185 Difference]: Start difference. First operand has 285 places, 360 transitions, 11813 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:48,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 364 transitions, 12729 flow [2021-03-26 03:48:48,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 364 transitions, 12335 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:48,525 INFO L241 Difference]: Finished difference. Result has 289 places, 360 transitions, 11860 flow [2021-03-26 03:48:48,525 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11419, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=219, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11860, PETRI_PLACES=289, PETRI_TRANSITIONS=360} [2021-03-26 03:48:48,526 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 251 predicate places. [2021-03-26 03:48:48,526 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:48,526 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 289 places, 360 transitions, 11860 flow [2021-03-26 03:48:48,526 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 289 places, 360 transitions, 11860 flow [2021-03-26 03:48:48,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 289 places, 360 transitions, 11860 flow [2021-03-26 03:48:48,846 INFO L129 PetriNetUnfolder]: 139/2315 cut-off events. [2021-03-26 03:48:48,846 INFO L130 PetriNetUnfolder]: For 141222/141618 co-relation queries the response was YES. [2021-03-26 03:48:48,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18665 conditions, 2315 events. 139/2315 cut-off events. For 141222/141618 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32930 event pairs, 0 based on Foata normal form. 1/2240 useless extension candidates. Maximal degree in co-relation 18534. Up to 278 conditions per place. [2021-03-26 03:48:48,889 INFO L142 LiptonReduction]: Number of co-enabled transitions 2490 [2021-03-26 03:48:48,911 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:48,911 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:48,911 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 385 [2021-03-26 03:48:48,912 INFO L480 AbstractCegarLoop]: Abstraction has has 289 places, 360 transitions, 11860 flow [2021-03-26 03:48:48,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:48,912 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:48,912 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:48,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-26 03:48:48,912 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:48,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:48,912 INFO L82 PathProgramCache]: Analyzing trace with hash -410719532, now seen corresponding path program 29 times [2021-03-26 03:48:48,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:48,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274418474] [2021-03-26 03:48:48,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:48,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:48,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:48,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:48,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:48,930 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:48,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:48,938 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:48,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:48,950 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:48:48,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:48:48,979 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:48:48,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:48:49,002 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:49,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:49,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274418474] [2021-03-26 03:48:49,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:49,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:49,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103261635] [2021-03-26 03:48:49,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:49,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:49,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:49,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:49,023 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:49,024 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 360 transitions, 11860 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,024 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:49,024 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:49,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:49,675 INFO L129 PetriNetUnfolder]: 244/2517 cut-off events. [2021-03-26 03:48:49,675 INFO L130 PetriNetUnfolder]: For 155333/156019 co-relation queries the response was YES. [2021-03-26 03:48:49,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21726 conditions, 2517 events. 244/2517 cut-off events. For 155333/156019 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34466 event pairs, 105 based on Foata normal form. 30/2438 useless extension candidates. Maximal degree in co-relation 21594. Up to 404 conditions per place. [2021-03-26 03:48:49,704 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 153 selfloop transitions, 209 changer transitions 0/376 dead transitions. [2021-03-26 03:48:49,704 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 376 transitions, 13182 flow [2021-03-26 03:48:49,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:49,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:49,705 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:49,705 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:49,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:49,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:49,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:49,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,706 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,707 INFO L185 Difference]: Start difference. First operand has 289 places, 360 transitions, 11860 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:49,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 376 transitions, 13182 flow [2021-03-26 03:48:50,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 376 transitions, 12771 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:50,179 INFO L241 Difference]: Finished difference. Result has 293 places, 360 transitions, 11870 flow [2021-03-26 03:48:50,180 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11449, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=209, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11870, PETRI_PLACES=293, PETRI_TRANSITIONS=360} [2021-03-26 03:48:50,180 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 255 predicate places. [2021-03-26 03:48:50,180 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:50,180 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 293 places, 360 transitions, 11870 flow [2021-03-26 03:48:50,180 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 293 places, 360 transitions, 11870 flow [2021-03-26 03:48:50,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 293 places, 360 transitions, 11870 flow [2021-03-26 03:48:50,615 INFO L129 PetriNetUnfolder]: 139/2314 cut-off events. [2021-03-26 03:48:50,615 INFO L130 PetriNetUnfolder]: For 147072/147426 co-relation queries the response was YES. [2021-03-26 03:48:50,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18879 conditions, 2314 events. 139/2314 cut-off events. For 147072/147426 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32956 event pairs, 0 based on Foata normal form. 0/2236 useless extension candidates. Maximal degree in co-relation 18747. Up to 278 conditions per place. [2021-03-26 03:48:50,666 INFO L142 LiptonReduction]: Number of co-enabled transitions 2490 [2021-03-26 03:48:50,687 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:50,687 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:50,688 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 508 [2021-03-26 03:48:50,688 INFO L480 AbstractCegarLoop]: Abstraction has has 293 places, 360 transitions, 11870 flow [2021-03-26 03:48:50,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:50,688 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:50,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-26 03:48:50,689 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:50,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:50,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1868542390, now seen corresponding path program 30 times [2021-03-26 03:48:50,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:50,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744825649] [2021-03-26 03:48:50,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:50,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:50,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:50,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:50,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:50,707 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:50,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:50,715 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:50,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:50,726 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:50,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:50,745 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:50,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:50,773 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:50,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:50,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:50,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744825649] [2021-03-26 03:48:50,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:50,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:50,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280214046] [2021-03-26 03:48:50,793 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:50,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:50,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:50,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:50,794 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:50,794 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 360 transitions, 11870 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,794 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:50,794 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:50,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:51,484 INFO L129 PetriNetUnfolder]: 244/2516 cut-off events. [2021-03-26 03:48:51,484 INFO L130 PetriNetUnfolder]: For 161370/162060 co-relation queries the response was YES. [2021-03-26 03:48:51,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21938 conditions, 2516 events. 244/2516 cut-off events. For 161370/162060 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34438 event pairs, 105 based on Foata normal form. 32/2439 useless extension candidates. Maximal degree in co-relation 21805. Up to 404 conditions per place. [2021-03-26 03:48:51,526 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 154 selfloop transitions, 211 changer transitions 0/379 dead transitions. [2021-03-26 03:48:51,526 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 379 transitions, 13298 flow [2021-03-26 03:48:51,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:51,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:51,527 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:51,527 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:51,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:51,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:51,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:51,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:51,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:51,528 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:51,528 INFO L185 Difference]: Start difference. First operand has 293 places, 360 transitions, 11870 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:51,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 379 transitions, 13298 flow [2021-03-26 03:48:52,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 379 transitions, 12675 flow, removed 11 selfloop flow, removed 10 redundant places. [2021-03-26 03:48:52,048 INFO L241 Difference]: Finished difference. Result has 292 places, 363 transitions, 11795 flow [2021-03-26 03:48:52,048 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11247, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=208, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11795, PETRI_PLACES=292, PETRI_TRANSITIONS=363} [2021-03-26 03:48:52,048 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 254 predicate places. [2021-03-26 03:48:52,049 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:52,049 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 292 places, 363 transitions, 11795 flow [2021-03-26 03:48:52,049 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 292 places, 363 transitions, 11795 flow [2021-03-26 03:48:52,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 292 places, 363 transitions, 11795 flow [2021-03-26 03:48:52,384 INFO L129 PetriNetUnfolder]: 139/2313 cut-off events. [2021-03-26 03:48:52,385 INFO L130 PetriNetUnfolder]: For 150877/151229 co-relation queries the response was YES. [2021-03-26 03:48:52,405 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18980 conditions, 2313 events. 139/2313 cut-off events. For 150877/151229 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32950 event pairs, 0 based on Foata normal form. 0/2230 useless extension candidates. Maximal degree in co-relation 18851. Up to 278 conditions per place. [2021-03-26 03:48:52,428 INFO L142 LiptonReduction]: Number of co-enabled transitions 2514 [2021-03-26 03:48:52,451 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:52,451 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:52,451 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 402 [2021-03-26 03:48:52,451 INFO L480 AbstractCegarLoop]: Abstraction has has 292 places, 363 transitions, 11795 flow [2021-03-26 03:48:52,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:52,452 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:52,452 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:52,452 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-26 03:48:52,452 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:52,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:52,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1516166888, now seen corresponding path program 31 times [2021-03-26 03:48:52,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:52,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613015286] [2021-03-26 03:48:52,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:52,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:52,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:52,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:52,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:52,476 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:52,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:52,483 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:52,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:52,496 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:52,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:52,510 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:48:52,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:48:52,530 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:52,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:52,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613015286] [2021-03-26 03:48:52,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:52,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:52,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699888430] [2021-03-26 03:48:52,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:52,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:52,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:52,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:52,551 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:52,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 363 transitions, 11795 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:52,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:52,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:52,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:53,259 INFO L129 PetriNetUnfolder]: 244/2515 cut-off events. [2021-03-26 03:48:53,259 INFO L130 PetriNetUnfolder]: For 166123/166813 co-relation queries the response was YES. [2021-03-26 03:48:53,283 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22037 conditions, 2515 events. 244/2515 cut-off events. For 166123/166813 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34377 event pairs, 105 based on Foata normal form. 32/2438 useless extension candidates. Maximal degree in co-relation 21907. Up to 404 conditions per place. [2021-03-26 03:48:53,288 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 146 selfloop transitions, 219 changer transitions 0/379 dead transitions. [2021-03-26 03:48:53,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 379 transitions, 13145 flow [2021-03-26 03:48:53,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:53,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:53,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:53,290 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:53,290 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:53,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:53,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:53,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:53,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:53,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:53,291 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:53,291 INFO L185 Difference]: Start difference. First operand has 292 places, 363 transitions, 11795 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:53,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 379 transitions, 13145 flow [2021-03-26 03:48:54,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 379 transitions, 12756 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:54,161 INFO L241 Difference]: Finished difference. Result has 297 places, 375 transitions, 12316 flow [2021-03-26 03:48:54,161 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11406, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12316, PETRI_PLACES=297, PETRI_TRANSITIONS=375} [2021-03-26 03:48:54,161 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 259 predicate places. [2021-03-26 03:48:54,161 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:54,161 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 297 places, 375 transitions, 12316 flow [2021-03-26 03:48:54,162 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 297 places, 375 transitions, 12316 flow [2021-03-26 03:48:54,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 297 places, 375 transitions, 12316 flow [2021-03-26 03:48:54,491 INFO L129 PetriNetUnfolder]: 139/2312 cut-off events. [2021-03-26 03:48:54,491 INFO L130 PetriNetUnfolder]: For 158888/159231 co-relation queries the response was YES. [2021-03-26 03:48:54,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19255 conditions, 2312 events. 139/2312 cut-off events. For 158888/159231 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32916 event pairs, 0 based on Foata normal form. 0/2236 useless extension candidates. Maximal degree in co-relation 19124. Up to 278 conditions per place. [2021-03-26 03:48:54,534 INFO L142 LiptonReduction]: Number of co-enabled transitions 2616 [2021-03-26 03:48:54,557 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:54,557 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:54,557 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 396 [2021-03-26 03:48:54,558 INFO L480 AbstractCegarLoop]: Abstraction has has 297 places, 375 transitions, 12316 flow [2021-03-26 03:48:54,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:54,558 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:54,558 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:54,558 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-26 03:48:54,558 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:54,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:54,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1792424652, now seen corresponding path program 32 times [2021-03-26 03:48:54,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:54,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795689694] [2021-03-26 03:48:54,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:54,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:54,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:54,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:54,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:54,577 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:54,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:54,585 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:54,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:54,602 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:54,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:54,617 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:54,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:54,635 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:54,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:54,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:54,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795689694] [2021-03-26 03:48:54,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:54,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:54,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410276444] [2021-03-26 03:48:54,655 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:54,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:54,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:54,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:54,656 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:54,656 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 375 transitions, 12316 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:54,656 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:54,656 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:54,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:55,313 INFO L129 PetriNetUnfolder]: 244/2514 cut-off events. [2021-03-26 03:48:55,313 INFO L130 PetriNetUnfolder]: For 173746/174436 co-relation queries the response was YES. [2021-03-26 03:48:55,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22310 conditions, 2514 events. 244/2514 cut-off events. For 173746/174436 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34394 event pairs, 105 based on Foata normal form. 32/2438 useless extension candidates. Maximal degree in co-relation 22178. Up to 404 conditions per place. [2021-03-26 03:48:55,347 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 148 selfloop transitions, 217 changer transitions 0/379 dead transitions. [2021-03-26 03:48:55,347 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 379 transitions, 13294 flow [2021-03-26 03:48:55,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:55,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:55,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:55,348 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:55,348 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:55,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:55,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:55,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:55,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:55,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:55,350 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:55,350 INFO L185 Difference]: Start difference. First operand has 297 places, 375 transitions, 12316 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:55,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 379 transitions, 13294 flow [2021-03-26 03:48:55,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 379 transitions, 12962 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:56,003 INFO L241 Difference]: Finished difference. Result has 302 places, 375 transitions, 12421 flow [2021-03-26 03:48:56,003 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11984, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=217, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12421, PETRI_PLACES=302, PETRI_TRANSITIONS=375} [2021-03-26 03:48:56,003 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 264 predicate places. [2021-03-26 03:48:56,003 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:56,003 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 302 places, 375 transitions, 12421 flow [2021-03-26 03:48:56,003 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 302 places, 375 transitions, 12421 flow [2021-03-26 03:48:56,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 302 places, 375 transitions, 12421 flow [2021-03-26 03:48:56,385 INFO L129 PetriNetUnfolder]: 139/2311 cut-off events. [2021-03-26 03:48:56,386 INFO L130 PetriNetUnfolder]: For 164690/165042 co-relation queries the response was YES. [2021-03-26 03:48:56,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19563 conditions, 2311 events. 139/2311 cut-off events. For 164690/165042 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32937 event pairs, 0 based on Foata normal form. 0/2229 useless extension candidates. Maximal degree in co-relation 19431. Up to 278 conditions per place. [2021-03-26 03:48:56,430 INFO L142 LiptonReduction]: Number of co-enabled transitions 2616 [2021-03-26 03:48:56,453 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:56,453 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:56,453 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 450 [2021-03-26 03:48:56,454 INFO L480 AbstractCegarLoop]: Abstraction has has 302 places, 375 transitions, 12421 flow [2021-03-26 03:48:56,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:56,454 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:56,454 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:56,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-26 03:48:56,454 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:56,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:56,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1111898804, now seen corresponding path program 33 times [2021-03-26 03:48:56,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:56,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802040681] [2021-03-26 03:48:56,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:56,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:56,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:56,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:56,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:56,472 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:56,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:56,480 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:56,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:56,493 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:56,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:56,512 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:56,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:56,537 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:56,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:56,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:56,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802040681] [2021-03-26 03:48:56,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:56,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:56,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169562002] [2021-03-26 03:48:56,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:56,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:56,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:56,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:56,556 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:56,557 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 375 transitions, 12421 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:56,557 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:56,557 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:56,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:57,173 INFO L129 PetriNetUnfolder]: 244/2513 cut-off events. [2021-03-26 03:48:57,173 INFO L130 PetriNetUnfolder]: For 180415/181101 co-relation queries the response was YES. [2021-03-26 03:48:57,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22616 conditions, 2513 events. 244/2513 cut-off events. For 180415/181101 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34386 event pairs, 105 based on Foata normal form. 30/2434 useless extension candidates. Maximal degree in co-relation 22483. Up to 394 conditions per place. [2021-03-26 03:48:57,203 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 159 selfloop transitions, 212 changer transitions 0/385 dead transitions. [2021-03-26 03:48:57,204 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 385 transitions, 13639 flow [2021-03-26 03:48:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:57,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:57,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:57,204 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:57,205 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:57,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:57,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:57,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:57,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:57,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:57,206 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:57,206 INFO L185 Difference]: Start difference. First operand has 302 places, 375 transitions, 12421 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:57,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 385 transitions, 13639 flow [2021-03-26 03:48:57,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 385 transitions, 13226 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-26 03:48:57,787 INFO L241 Difference]: Finished difference. Result has 307 places, 378 transitions, 12604 flow [2021-03-26 03:48:57,787 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12020, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=209, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12604, PETRI_PLACES=307, PETRI_TRANSITIONS=378} [2021-03-26 03:48:57,788 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 269 predicate places. [2021-03-26 03:48:57,788 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:57,788 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 378 transitions, 12604 flow [2021-03-26 03:48:57,788 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 378 transitions, 12604 flow [2021-03-26 03:48:57,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 378 transitions, 12604 flow [2021-03-26 03:48:58,180 INFO L129 PetriNetUnfolder]: 139/2310 cut-off events. [2021-03-26 03:48:58,180 INFO L130 PetriNetUnfolder]: For 172040/172383 co-relation queries the response was YES. [2021-03-26 03:48:58,205 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19803 conditions, 2310 events. 139/2310 cut-off events. For 172040/172383 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32885 event pairs, 0 based on Foata normal form. 0/2234 useless extension candidates. Maximal degree in co-relation 19669. Up to 278 conditions per place. [2021-03-26 03:48:58,227 INFO L142 LiptonReduction]: Number of co-enabled transitions 2650 [2021-03-26 03:48:58,251 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:58,251 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:58,251 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 463 [2021-03-26 03:48:58,251 INFO L480 AbstractCegarLoop]: Abstraction has has 307 places, 378 transitions, 12604 flow [2021-03-26 03:48:58,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:58,252 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:58,252 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:58,252 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-26 03:48:58,252 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:58,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:58,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1093985606, now seen corresponding path program 34 times [2021-03-26 03:48:58,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:58,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251334692] [2021-03-26 03:48:58,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:58,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:58,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:58,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:58,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:58,269 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:58,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:58,277 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:58,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:58,289 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:58,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:58,305 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:58,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:58,324 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:48:58,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:48:58,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:58,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251334692] [2021-03-26 03:48:58,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:58,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:48:58,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543590553] [2021-03-26 03:48:58,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:48:58,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:58,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:48:58,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:48:58,350 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:48:58,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 378 transitions, 12604 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:58,350 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:58,350 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:48:58,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:58,965 INFO L129 PetriNetUnfolder]: 244/2512 cut-off events. [2021-03-26 03:48:58,965 INFO L130 PetriNetUnfolder]: For 187485/188179 co-relation queries the response was YES. [2021-03-26 03:48:58,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22854 conditions, 2512 events. 244/2512 cut-off events. For 187485/188179 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34356 event pairs, 105 based on Foata normal form. 30/2433 useless extension candidates. Maximal degree in co-relation 22719. Up to 394 conditions per place. [2021-03-26 03:48:59,000 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 165 selfloop transitions, 206 changer transitions 0/385 dead transitions. [2021-03-26 03:48:59,000 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 385 transitions, 13700 flow [2021-03-26 03:48:59,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:59,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:48:59,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:48:59,008 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:48:59,008 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:48:59,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:48:59,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:59,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:48:59,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:59,009 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:59,010 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:59,010 INFO L185 Difference]: Start difference. First operand has 307 places, 378 transitions, 12604 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:48:59,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 385 transitions, 13700 flow [2021-03-26 03:48:59,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 385 transitions, 13451 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-26 03:48:59,526 INFO L241 Difference]: Finished difference. Result has 313 places, 381 transitions, 12918 flow [2021-03-26 03:48:59,526 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12355, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=203, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12918, PETRI_PLACES=313, PETRI_TRANSITIONS=381} [2021-03-26 03:48:59,526 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 275 predicate places. [2021-03-26 03:48:59,527 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:59,527 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 313 places, 381 transitions, 12918 flow [2021-03-26 03:48:59,527 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 313 places, 381 transitions, 12918 flow [2021-03-26 03:48:59,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 313 places, 381 transitions, 12918 flow [2021-03-26 03:48:59,861 INFO L129 PetriNetUnfolder]: 139/2309 cut-off events. [2021-03-26 03:48:59,861 INFO L130 PetriNetUnfolder]: For 181477/181810 co-relation queries the response was YES. [2021-03-26 03:48:59,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20186 conditions, 2309 events. 139/2309 cut-off events. For 181477/181810 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32881 event pairs, 0 based on Foata normal form. 0/2234 useless extension candidates. Maximal degree in co-relation 20050. Up to 278 conditions per place. [2021-03-26 03:48:59,902 INFO L142 LiptonReduction]: Number of co-enabled transitions 2682 [2021-03-26 03:48:59,929 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:59,929 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:59,929 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 402 [2021-03-26 03:48:59,929 INFO L480 AbstractCegarLoop]: Abstraction has has 313 places, 381 transitions, 12918 flow [2021-03-26 03:48:59,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:59,930 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:59,930 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:59,930 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-26 03:48:59,930 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:59,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:59,930 INFO L82 PathProgramCache]: Analyzing trace with hash 768911008, now seen corresponding path program 35 times [2021-03-26 03:48:59,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:59,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315066744] [2021-03-26 03:48:59,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:59,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:59,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:59,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:59,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:59,948 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:48:59,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:48:59,957 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:59,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:59,969 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:59,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:59,991 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:59,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:00,016 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:00,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:00,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:00,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315066744] [2021-03-26 03:49:00,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:00,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:00,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350827472] [2021-03-26 03:49:00,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:00,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:00,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:00,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:00,043 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:00,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 381 transitions, 12918 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:00,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:00,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:00,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:00,742 INFO L129 PetriNetUnfolder]: 244/2511 cut-off events. [2021-03-26 03:49:00,742 INFO L130 PetriNetUnfolder]: For 196472/197186 co-relation queries the response was YES. [2021-03-26 03:49:00,765 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23235 conditions, 2511 events. 244/2511 cut-off events. For 196472/197186 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 34323 event pairs, 105 based on Foata normal form. 32/2434 useless extension candidates. Maximal degree in co-relation 23098. Up to 394 conditions per place. [2021-03-26 03:49:00,770 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 167 selfloop transitions, 204 changer transitions 0/385 dead transitions. [2021-03-26 03:49:00,770 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 385 transitions, 13932 flow [2021-03-26 03:49:00,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:00,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:00,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:00,771 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:00,771 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:00,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:00,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:00,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:00,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:00,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:00,772 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:00,773 INFO L185 Difference]: Start difference. First operand has 313 places, 381 transitions, 12918 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:00,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 385 transitions, 13932 flow [2021-03-26 03:49:01,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 385 transitions, 13439 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 03:49:01,436 INFO L241 Difference]: Finished difference. Result has 315 places, 381 transitions, 12836 flow [2021-03-26 03:49:01,436 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12425, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=204, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12836, PETRI_PLACES=315, PETRI_TRANSITIONS=381} [2021-03-26 03:49:01,436 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 277 predicate places. [2021-03-26 03:49:01,436 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:01,436 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 315 places, 381 transitions, 12836 flow [2021-03-26 03:49:01,436 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 315 places, 381 transitions, 12836 flow [2021-03-26 03:49:01,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 315 places, 381 transitions, 12836 flow [2021-03-26 03:49:01,771 INFO L129 PetriNetUnfolder]: 139/2308 cut-off events. [2021-03-26 03:49:01,771 INFO L130 PetriNetUnfolder]: For 186658/186999 co-relation queries the response was YES. [2021-03-26 03:49:01,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20368 conditions, 2308 events. 139/2308 cut-off events. For 186658/186999 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32953 event pairs, 0 based on Foata normal form. 0/2232 useless extension candidates. Maximal degree in co-relation 20233. Up to 278 conditions per place. [2021-03-26 03:49:01,812 INFO L142 LiptonReduction]: Number of co-enabled transitions 2682 [2021-03-26 03:49:01,834 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:01,834 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:01,834 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 398 [2021-03-26 03:49:01,835 INFO L480 AbstractCegarLoop]: Abstraction has has 315 places, 381 transitions, 12836 flow [2021-03-26 03:49:01,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:01,835 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:01,835 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:01,835 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-26 03:49:01,835 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:01,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:01,836 INFO L82 PathProgramCache]: Analyzing trace with hash -854709530, now seen corresponding path program 36 times [2021-03-26 03:49:01,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:01,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818920582] [2021-03-26 03:49:01,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:01,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:01,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:01,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:01,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:01,854 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:49:01,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:49:01,862 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:49:01,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:49:01,873 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:01,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:01,886 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:01,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:01,905 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:01,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:01,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818920582] [2021-03-26 03:49:01,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:01,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:01,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084447098] [2021-03-26 03:49:01,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:01,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:01,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:01,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:01,924 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:01,924 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 381 transitions, 12836 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:01,924 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:01,924 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:01,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:02,600 INFO L129 PetriNetUnfolder]: 244/2510 cut-off events. [2021-03-26 03:49:02,600 INFO L130 PetriNetUnfolder]: For 202432/203138 co-relation queries the response was YES. [2021-03-26 03:49:02,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23415 conditions, 2510 events. 244/2510 cut-off events. For 202432/203138 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 34334 event pairs, 105 based on Foata normal form. 32/2433 useless extension candidates. Maximal degree in co-relation 23279. Up to 394 conditions per place. [2021-03-26 03:49:02,694 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 138 selfloop transitions, 180 changer transitions 53/385 dead transitions. [2021-03-26 03:49:02,694 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 385 transitions, 13858 flow [2021-03-26 03:49:02,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:02,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:02,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:02,695 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:02,695 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:02,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:02,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:02,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:02,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:02,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:02,696 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:02,696 INFO L185 Difference]: Start difference. First operand has 315 places, 381 transitions, 12836 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:02,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 385 transitions, 13858 flow [2021-03-26 03:49:03,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 385 transitions, 13477 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-26 03:49:03,528 INFO L241 Difference]: Finished difference. Result has 319 places, 328 transitions, 10537 flow [2021-03-26 03:49:03,528 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12455, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10537, PETRI_PLACES=319, PETRI_TRANSITIONS=328} [2021-03-26 03:49:03,528 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 281 predicate places. [2021-03-26 03:49:03,529 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:03,529 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 319 places, 328 transitions, 10537 flow [2021-03-26 03:49:03,529 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 319 places, 328 transitions, 10537 flow [2021-03-26 03:49:03,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 295 places, 328 transitions, 10537 flow [2021-03-26 03:49:03,881 INFO L129 PetriNetUnfolder]: 138/2153 cut-off events. [2021-03-26 03:49:03,881 INFO L130 PetriNetUnfolder]: For 185364/185680 co-relation queries the response was YES. [2021-03-26 03:49:03,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19053 conditions, 2153 events. 138/2153 cut-off events. For 185364/185680 co-relation queries the response was YES. Maximal size of possible extension queue 402. Compared 30132 event pairs, 0 based on Foata normal form. 0/2084 useless extension candidates. Maximal degree in co-relation 18917. Up to 276 conditions per place. [2021-03-26 03:49:03,920 INFO L142 LiptonReduction]: Number of co-enabled transitions 2122 [2021-03-26 03:49:03,939 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:03,939 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:03,939 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 411 [2021-03-26 03:49:03,939 INFO L480 AbstractCegarLoop]: Abstraction has has 295 places, 328 transitions, 10537 flow [2021-03-26 03:49:03,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:03,939 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:03,939 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:03,939 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-26 03:49:03,940 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:03,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:03,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1024334096, now seen corresponding path program 37 times [2021-03-26 03:49:03,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:03,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178252488] [2021-03-26 03:49:03,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:03,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:03,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:03,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:03,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:03,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:03,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:03,965 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:03,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:03,985 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:49:03,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:49:04,012 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:04,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:04,035 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:04,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:04,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:04,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178252488] [2021-03-26 03:49:04,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:04,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:04,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723511084] [2021-03-26 03:49:04,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:04,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:04,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:04,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:04,058 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:04,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 328 transitions, 10537 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:04,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:04,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:04,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:04,683 INFO L129 PetriNetUnfolder]: 244/2515 cut-off events. [2021-03-26 03:49:04,683 INFO L130 PetriNetUnfolder]: For 214551/214987 co-relation queries the response was YES. [2021-03-26 03:49:04,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23338 conditions, 2515 events. 244/2515 cut-off events. For 214551/214987 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 34469 event pairs, 65 based on Foata normal form. 16/2421 useless extension candidates. Maximal degree in co-relation 23201. Up to 396 conditions per place. [2021-03-26 03:49:04,714 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 252 selfloop transitions, 121 changer transitions 1/388 dead transitions. [2021-03-26 03:49:04,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 388 transitions, 13303 flow [2021-03-26 03:49:04,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:04,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:04,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:04,715 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:04,715 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:04,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:04,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:04,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:04,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:04,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:04,716 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:04,716 INFO L185 Difference]: Start difference. First operand has 295 places, 328 transitions, 10537 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:04,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 388 transitions, 13303 flow [2021-03-26 03:49:05,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 388 transitions, 12545 flow, removed 135 selfloop flow, removed 41 redundant places. [2021-03-26 03:49:05,139 INFO L241 Difference]: Finished difference. Result has 266 places, 341 transitions, 10790 flow [2021-03-26 03:49:05,140 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10042, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10790, PETRI_PLACES=266, PETRI_TRANSITIONS=341} [2021-03-26 03:49:05,140 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 228 predicate places. [2021-03-26 03:49:05,140 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:05,140 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 266 places, 341 transitions, 10790 flow [2021-03-26 03:49:05,140 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 266 places, 341 transitions, 10790 flow [2021-03-26 03:49:05,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 265 places, 341 transitions, 10790 flow [2021-03-26 03:49:05,420 INFO L129 PetriNetUnfolder]: 148/2310 cut-off events. [2021-03-26 03:49:05,420 INFO L130 PetriNetUnfolder]: For 73904/74324 co-relation queries the response was YES. [2021-03-26 03:49:05,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14946 conditions, 2310 events. 148/2310 cut-off events. For 73904/74324 co-relation queries the response was YES. Maximal size of possible extension queue 432. Compared 32795 event pairs, 0 based on Foata normal form. 1/2240 useless extension candidates. Maximal degree in co-relation 14839. Up to 296 conditions per place. [2021-03-26 03:49:05,457 INFO L142 LiptonReduction]: Number of co-enabled transitions 2266 [2021-03-26 03:49:05,477 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:05,477 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:05,477 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 337 [2021-03-26 03:49:05,477 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 341 transitions, 10790 flow [2021-03-26 03:49:05,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:05,478 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:05,478 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:05,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-26 03:49:05,478 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:05,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:05,478 INFO L82 PathProgramCache]: Analyzing trace with hash -433736442, now seen corresponding path program 38 times [2021-03-26 03:49:05,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:05,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115535714] [2021-03-26 03:49:05,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:05,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:05,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:05,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:05,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:05,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:05,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:05,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:05,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:49:05,515 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:05,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:05,537 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:05,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:05,560 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:05,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:05,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:05,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115535714] [2021-03-26 03:49:05,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:05,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:05,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875534059] [2021-03-26 03:49:05,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:05,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:05,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:05,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:05,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:05,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 341 transitions, 10790 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:05,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:05,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:05,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:06,105 INFO L129 PetriNetUnfolder]: 243/2518 cut-off events. [2021-03-26 03:49:06,105 INFO L130 PetriNetUnfolder]: For 83397/83833 co-relation queries the response was YES. [2021-03-26 03:49:06,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17907 conditions, 2518 events. 243/2518 cut-off events. For 83397/83833 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 34443 event pairs, 69 based on Foata normal form. 20/2425 useless extension candidates. Maximal degree in co-relation 17799. Up to 411 conditions per place. [2021-03-26 03:49:06,131 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 196 selfloop transitions, 151 changer transitions 2/363 dead transitions. [2021-03-26 03:49:06,132 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 363 transitions, 12116 flow [2021-03-26 03:49:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:06,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:06,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:06,132 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:06,132 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:06,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:06,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:06,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:06,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:06,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:06,134 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:06,134 INFO L185 Difference]: Start difference. First operand has 265 places, 341 transitions, 10790 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:06,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 363 transitions, 12116 flow [2021-03-26 03:49:06,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 363 transitions, 12052 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-03-26 03:49:06,457 INFO L241 Difference]: Finished difference. Result has 274 places, 345 transitions, 11205 flow [2021-03-26 03:49:06,458 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10734, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11205, PETRI_PLACES=274, PETRI_TRANSITIONS=345} [2021-03-26 03:49:06,458 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 236 predicate places. [2021-03-26 03:49:06,458 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:06,458 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 274 places, 345 transitions, 11205 flow [2021-03-26 03:49:06,458 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 274 places, 345 transitions, 11205 flow [2021-03-26 03:49:06,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 273 places, 345 transitions, 11205 flow [2021-03-26 03:49:06,745 INFO L129 PetriNetUnfolder]: 148/2311 cut-off events. [2021-03-26 03:49:06,745 INFO L130 PetriNetUnfolder]: For 77139/77513 co-relation queries the response was YES. [2021-03-26 03:49:06,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15296 conditions, 2311 events. 148/2311 cut-off events. For 77139/77513 co-relation queries the response was YES. Maximal size of possible extension queue 432. Compared 32653 event pairs, 0 based on Foata normal form. 4/2252 useless extension candidates. Maximal degree in co-relation 15186. Up to 296 conditions per place. [2021-03-26 03:49:06,785 INFO L142 LiptonReduction]: Number of co-enabled transitions 2314 [2021-03-26 03:49:06,805 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:06,805 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:06,805 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 347 [2021-03-26 03:49:06,805 INFO L480 AbstractCegarLoop]: Abstraction has has 273 places, 345 transitions, 11205 flow [2021-03-26 03:49:06,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:06,806 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:06,806 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:06,806 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-26 03:49:06,806 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:06,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:06,806 INFO L82 PathProgramCache]: Analyzing trace with hash 703165622, now seen corresponding path program 39 times [2021-03-26 03:49:06,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:06,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521663008] [2021-03-26 03:49:06,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:06,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:06,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:06,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:06,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:06,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:06,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:06,833 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:06,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:06,854 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:49:06,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:49:06,878 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:06,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:06,900 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:06,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:06,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:06,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521663008] [2021-03-26 03:49:06,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:06,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:06,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587275088] [2021-03-26 03:49:06,921 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:06,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:06,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:06,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:06,922 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:06,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 345 transitions, 11205 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:06,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:06,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:06,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:07,508 INFO L129 PetriNetUnfolder]: 243/2546 cut-off events. [2021-03-26 03:49:07,508 INFO L130 PetriNetUnfolder]: For 88516/88929 co-relation queries the response was YES. [2021-03-26 03:49:07,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18455 conditions, 2546 events. 243/2546 cut-off events. For 88516/88929 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 34914 event pairs, 69 based on Foata normal form. 20/2454 useless extension candidates. Maximal degree in co-relation 18344. Up to 396 conditions per place. [2021-03-26 03:49:07,535 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 223 selfloop transitions, 154 changer transitions 1/392 dead transitions. [2021-03-26 03:49:07,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 392 transitions, 13507 flow [2021-03-26 03:49:07,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:07,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:07,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:07,536 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:07,536 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:07,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:07,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:07,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:07,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:07,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:07,537 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:07,537 INFO L185 Difference]: Start difference. First operand has 273 places, 345 transitions, 11205 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:07,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 392 transitions, 13507 flow [2021-03-26 03:49:07,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 392 transitions, 13323 flow, removed 19 selfloop flow, removed 4 redundant places. [2021-03-26 03:49:07,865 INFO L241 Difference]: Finished difference. Result has 281 places, 362 transitions, 12107 flow [2021-03-26 03:49:07,865 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11050, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12107, PETRI_PLACES=281, PETRI_TRANSITIONS=362} [2021-03-26 03:49:07,866 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 243 predicate places. [2021-03-26 03:49:07,866 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:07,866 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 281 places, 362 transitions, 12107 flow [2021-03-26 03:49:07,866 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 281 places, 362 transitions, 12107 flow [2021-03-26 03:49:07,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 280 places, 362 transitions, 12107 flow [2021-03-26 03:49:08,198 INFO L129 PetriNetUnfolder]: 151/2346 cut-off events. [2021-03-26 03:49:08,198 INFO L130 PetriNetUnfolder]: For 83345/83726 co-relation queries the response was YES. [2021-03-26 03:49:08,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15800 conditions, 2346 events. 151/2346 cut-off events. For 83345/83726 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 33236 event pairs, 0 based on Foata normal form. 3/2282 useless extension candidates. Maximal degree in co-relation 15687. Up to 302 conditions per place. [2021-03-26 03:49:08,237 INFO L142 LiptonReduction]: Number of co-enabled transitions 2508 [2021-03-26 03:49:08,257 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:08,257 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:08,257 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 391 [2021-03-26 03:49:08,258 INFO L480 AbstractCegarLoop]: Abstraction has has 280 places, 362 transitions, 12107 flow [2021-03-26 03:49:08,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:08,258 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:08,258 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:08,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-26 03:49:08,258 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:08,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:08,258 INFO L82 PathProgramCache]: Analyzing trace with hash -705201464, now seen corresponding path program 40 times [2021-03-26 03:49:08,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:08,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657190929] [2021-03-26 03:49:08,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:08,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:08,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:08,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:08,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:08,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:08,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:08,286 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:08,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:08,300 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:08,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:08,318 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:49:08,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:49:08,342 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:08,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:08,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:08,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657190929] [2021-03-26 03:49:08,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:08,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:08,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531159791] [2021-03-26 03:49:08,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:08,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:08,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:08,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:08,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:08,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 362 transitions, 12107 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:08,368 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:08,368 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:08,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:08,934 INFO L129 PetriNetUnfolder]: 242/2537 cut-off events. [2021-03-26 03:49:08,934 INFO L130 PetriNetUnfolder]: For 93197/93610 co-relation queries the response was YES. [2021-03-26 03:49:08,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18679 conditions, 2537 events. 242/2537 cut-off events. For 93197/93610 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 34799 event pairs, 69 based on Foata normal form. 23/2447 useless extension candidates. Maximal degree in co-relation 18565. Up to 390 conditions per place. [2021-03-26 03:49:08,964 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 189 selfloop transitions, 167 changer transitions 0/370 dead transitions. [2021-03-26 03:49:08,964 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 370 transitions, 13046 flow [2021-03-26 03:49:08,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:08,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:08,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:08,965 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:08,965 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:08,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:08,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:08,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:08,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:08,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:08,966 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:08,966 INFO L185 Difference]: Start difference. First operand has 280 places, 362 transitions, 12107 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:08,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 370 transitions, 13046 flow [2021-03-26 03:49:09,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 370 transitions, 12754 flow, removed 23 selfloop flow, removed 4 redundant places. [2021-03-26 03:49:09,320 INFO L241 Difference]: Finished difference. Result has 284 places, 362 transitions, 12160 flow [2021-03-26 03:49:09,320 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11823, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12160, PETRI_PLACES=284, PETRI_TRANSITIONS=362} [2021-03-26 03:49:09,320 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 246 predicate places. [2021-03-26 03:49:09,320 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:09,320 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 284 places, 362 transitions, 12160 flow [2021-03-26 03:49:09,320 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 284 places, 362 transitions, 12160 flow [2021-03-26 03:49:09,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 284 places, 362 transitions, 12160 flow [2021-03-26 03:49:09,623 INFO L129 PetriNetUnfolder]: 151/2345 cut-off events. [2021-03-26 03:49:09,623 INFO L130 PetriNetUnfolder]: For 81500/81983 co-relation queries the response was YES. [2021-03-26 03:49:09,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15913 conditions, 2345 events. 151/2345 cut-off events. For 81500/81983 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 33203 event pairs, 0 based on Foata normal form. 2/2279 useless extension candidates. Maximal degree in co-relation 15800. Up to 302 conditions per place. [2021-03-26 03:49:09,664 INFO L142 LiptonReduction]: Number of co-enabled transitions 2508 [2021-03-26 03:49:09,684 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:09,685 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:09,685 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 365 [2021-03-26 03:49:09,685 INFO L480 AbstractCegarLoop]: Abstraction has has 284 places, 362 transitions, 12160 flow [2021-03-26 03:49:09,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:09,685 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:09,685 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:09,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-26 03:49:09,685 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:09,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:09,685 INFO L82 PathProgramCache]: Analyzing trace with hash 184289042, now seen corresponding path program 41 times [2021-03-26 03:49:09,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:09,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945716575] [2021-03-26 03:49:09,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:09,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:09,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:09,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:09,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:09,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:09,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:09,715 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:09,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:09,726 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:49:09,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:49:09,741 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:49:09,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:49:09,764 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:09,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:09,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:09,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945716575] [2021-03-26 03:49:09,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:09,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:09,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619346420] [2021-03-26 03:49:09,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:09,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:09,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:09,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:09,783 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:09,784 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 362 transitions, 12160 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:09,784 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:09,784 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:09,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:10,400 INFO L129 PetriNetUnfolder]: 242/2536 cut-off events. [2021-03-26 03:49:10,401 INFO L130 PetriNetUnfolder]: For 91202/91615 co-relation queries the response was YES. [2021-03-26 03:49:10,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18805 conditions, 2536 events. 242/2536 cut-off events. For 91202/91615 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 34785 event pairs, 69 based on Foata normal form. 23/2446 useless extension candidates. Maximal degree in co-relation 18691. Up to 390 conditions per place. [2021-03-26 03:49:10,423 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 191 selfloop transitions, 165 changer transitions 0/370 dead transitions. [2021-03-26 03:49:10,424 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 370 transitions, 13099 flow [2021-03-26 03:49:10,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:10,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:10,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:10,425 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:10,425 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:10,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:10,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:10,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:10,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:10,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:10,426 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:10,426 INFO L185 Difference]: Start difference. First operand has 284 places, 362 transitions, 12160 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:10,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 370 transitions, 13099 flow [2021-03-26 03:49:10,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 370 transitions, 12774 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 03:49:10,758 INFO L241 Difference]: Finished difference. Result has 288 places, 362 transitions, 12168 flow [2021-03-26 03:49:10,758 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11835, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12168, PETRI_PLACES=288, PETRI_TRANSITIONS=362} [2021-03-26 03:49:10,758 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 250 predicate places. [2021-03-26 03:49:10,759 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:10,759 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 288 places, 362 transitions, 12168 flow [2021-03-26 03:49:10,759 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 288 places, 362 transitions, 12168 flow [2021-03-26 03:49:10,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 288 places, 362 transitions, 12168 flow [2021-03-26 03:49:11,058 INFO L129 PetriNetUnfolder]: 151/2344 cut-off events. [2021-03-26 03:49:11,058 INFO L130 PetriNetUnfolder]: For 83741/84110 co-relation queries the response was YES. [2021-03-26 03:49:11,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16159 conditions, 2344 events. 151/2344 cut-off events. For 83741/84110 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 33270 event pairs, 0 based on Foata normal form. 3/2280 useless extension candidates. Maximal degree in co-relation 16045. Up to 302 conditions per place. [2021-03-26 03:49:11,098 INFO L142 LiptonReduction]: Number of co-enabled transitions 2508 [2021-03-26 03:49:11,119 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:11,119 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:11,119 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 360 [2021-03-26 03:49:11,119 INFO L480 AbstractCegarLoop]: Abstraction has has 288 places, 362 transitions, 12168 flow [2021-03-26 03:49:11,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:11,120 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:11,120 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:11,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-26 03:49:11,120 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:11,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:11,120 INFO L82 PathProgramCache]: Analyzing trace with hash -215487928, now seen corresponding path program 42 times [2021-03-26 03:49:11,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:11,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003779742] [2021-03-26 03:49:11,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:11,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:11,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:11,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:11,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:11,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:11,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:11,142 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:11,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:11,154 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:49:11,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:49:11,171 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:11,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:11,195 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:11,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:11,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:11,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003779742] [2021-03-26 03:49:11,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:11,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:11,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501521918] [2021-03-26 03:49:11,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:11,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:11,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:11,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:11,217 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:11,217 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 362 transitions, 12168 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:11,217 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:11,217 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:11,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:11,790 INFO L129 PetriNetUnfolder]: 242/2535 cut-off events. [2021-03-26 03:49:11,790 INFO L130 PetriNetUnfolder]: For 94062/94477 co-relation queries the response was YES. [2021-03-26 03:49:11,812 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19049 conditions, 2535 events. 242/2535 cut-off events. For 94062/94477 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 34796 event pairs, 69 based on Foata normal form. 24/2446 useless extension candidates. Maximal degree in co-relation 18934. Up to 390 conditions per place. [2021-03-26 03:49:11,817 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 190 selfloop transitions, 166 changer transitions 0/370 dead transitions. [2021-03-26 03:49:11,817 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 370 transitions, 13115 flow [2021-03-26 03:49:11,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:11,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:11,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:11,818 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:11,818 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:11,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:11,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:11,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:11,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:11,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:11,820 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:11,820 INFO L185 Difference]: Start difference. First operand has 288 places, 362 transitions, 12168 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:11,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 370 transitions, 13115 flow [2021-03-26 03:49:12,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 370 transitions, 12840 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-26 03:49:12,256 INFO L241 Difference]: Finished difference. Result has 294 places, 363 transitions, 12284 flow [2021-03-26 03:49:12,256 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11893, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12284, PETRI_PLACES=294, PETRI_TRANSITIONS=363} [2021-03-26 03:49:12,257 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 256 predicate places. [2021-03-26 03:49:12,257 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:12,257 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 294 places, 363 transitions, 12284 flow [2021-03-26 03:49:12,257 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 294 places, 363 transitions, 12284 flow [2021-03-26 03:49:12,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 294 places, 363 transitions, 12284 flow [2021-03-26 03:49:12,560 INFO L129 PetriNetUnfolder]: 151/2343 cut-off events. [2021-03-26 03:49:12,560 INFO L130 PetriNetUnfolder]: For 86634/87062 co-relation queries the response was YES. [2021-03-26 03:49:12,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16454 conditions, 2343 events. 151/2343 cut-off events. For 86634/87062 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 33244 event pairs, 0 based on Foata normal form. 2/2279 useless extension candidates. Maximal degree in co-relation 16338. Up to 302 conditions per place. [2021-03-26 03:49:12,602 INFO L142 LiptonReduction]: Number of co-enabled transitions 2522 [2021-03-26 03:49:12,623 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:12,623 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:12,623 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 366 [2021-03-26 03:49:12,623 INFO L480 AbstractCegarLoop]: Abstraction has has 294 places, 363 transitions, 12284 flow [2021-03-26 03:49:12,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:12,624 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:12,624 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:12,624 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-26 03:49:12,624 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:12,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:12,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1998116454, now seen corresponding path program 43 times [2021-03-26 03:49:12,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:12,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227507825] [2021-03-26 03:49:12,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:12,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:12,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:12,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:12,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:12,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:12,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:12,651 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:12,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:12,663 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:12,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:12,679 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:12,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:12,701 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:12,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:12,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:12,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227507825] [2021-03-26 03:49:12,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:12,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:12,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809834990] [2021-03-26 03:49:12,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:12,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:12,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:12,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:12,723 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:12,723 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 363 transitions, 12284 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:12,723 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:12,723 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:12,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:13,301 INFO L129 PetriNetUnfolder]: 242/2534 cut-off events. [2021-03-26 03:49:13,301 INFO L130 PetriNetUnfolder]: For 97356/97771 co-relation queries the response was YES. [2021-03-26 03:49:13,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19342 conditions, 2534 events. 242/2534 cut-off events. For 97356/97771 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 34756 event pairs, 69 based on Foata normal form. 24/2445 useless extension candidates. Maximal degree in co-relation 19225. Up to 390 conditions per place. [2021-03-26 03:49:13,331 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 187 selfloop transitions, 169 changer transitions 0/370 dead transitions. [2021-03-26 03:49:13,331 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 370 transitions, 13200 flow [2021-03-26 03:49:13,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:13,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:13,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:13,332 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:13,333 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:13,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:13,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:13,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:13,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:13,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:13,334 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:13,334 INFO L185 Difference]: Start difference. First operand has 294 places, 363 transitions, 12284 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:13,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 370 transitions, 13200 flow [2021-03-26 03:49:13,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 370 transitions, 12880 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 03:49:13,755 INFO L241 Difference]: Finished difference. Result has 299 places, 364 transitions, 12401 flow [2021-03-26 03:49:13,755 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11964, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12401, PETRI_PLACES=299, PETRI_TRANSITIONS=364} [2021-03-26 03:49:13,755 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 261 predicate places. [2021-03-26 03:49:13,755 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:13,756 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 299 places, 364 transitions, 12401 flow [2021-03-26 03:49:13,756 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 299 places, 364 transitions, 12401 flow [2021-03-26 03:49:13,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 299 places, 364 transitions, 12401 flow [2021-03-26 03:49:14,059 INFO L129 PetriNetUnfolder]: 151/2342 cut-off events. [2021-03-26 03:49:14,059 INFO L130 PetriNetUnfolder]: For 91363/91756 co-relation queries the response was YES. [2021-03-26 03:49:14,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16748 conditions, 2342 events. 151/2342 cut-off events. For 91363/91756 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 33176 event pairs, 0 based on Foata normal form. 5/2280 useless extension candidates. Maximal degree in co-relation 16630. Up to 302 conditions per place. [2021-03-26 03:49:14,101 INFO L142 LiptonReduction]: Number of co-enabled transitions 2536 [2021-03-26 03:49:14,122 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:14,122 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:14,122 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 367 [2021-03-26 03:49:14,123 INFO L480 AbstractCegarLoop]: Abstraction has has 299 places, 364 transitions, 12401 flow [2021-03-26 03:49:14,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:14,123 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:14,123 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:14,123 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-26 03:49:14,123 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:14,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:14,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1552148344, now seen corresponding path program 44 times [2021-03-26 03:49:14,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:14,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572409127] [2021-03-26 03:49:14,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:14,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:14,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:14,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:14,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:14,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:14,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:14,147 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:14,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:14,160 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:14,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:14,175 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:14,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:14,208 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:14,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:14,228 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 03:49:14,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572409127] [2021-03-26 03:49:14,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:14,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:14,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378292538] [2021-03-26 03:49:14,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:14,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:14,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:14,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:14,230 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:14,230 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 364 transitions, 12401 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:14,230 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:14,230 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:14,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:14,826 INFO L129 PetriNetUnfolder]: 242/2533 cut-off events. [2021-03-26 03:49:14,827 INFO L130 PetriNetUnfolder]: For 101965/102454 co-relation queries the response was YES. [2021-03-26 03:49:14,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19634 conditions, 2533 events. 242/2533 cut-off events. For 101965/102454 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 34757 event pairs, 69 based on Foata normal form. 27/2448 useless extension candidates. Maximal degree in co-relation 19515. Up to 390 conditions per place. [2021-03-26 03:49:14,856 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 185 selfloop transitions, 163 changer transitions 8/370 dead transitions. [2021-03-26 03:49:14,856 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 370 transitions, 13289 flow [2021-03-26 03:49:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:14,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:14,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:14,857 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:14,857 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:14,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:14,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:14,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:14,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:14,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:14,858 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:14,858 INFO L185 Difference]: Start difference. First operand has 299 places, 364 transitions, 12401 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:14,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 370 transitions, 13289 flow [2021-03-26 03:49:15,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 370 transitions, 13024 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-26 03:49:15,287 INFO L241 Difference]: Finished difference. Result has 304 places, 356 transitions, 12087 flow [2021-03-26 03:49:15,287 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12136, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12087, PETRI_PLACES=304, PETRI_TRANSITIONS=356} [2021-03-26 03:49:15,287 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 266 predicate places. [2021-03-26 03:49:15,287 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:15,287 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 304 places, 356 transitions, 12087 flow [2021-03-26 03:49:15,287 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 304 places, 356 transitions, 12087 flow [2021-03-26 03:49:15,291 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 298 places, 356 transitions, 12087 flow [2021-03-26 03:49:15,601 INFO L129 PetriNetUnfolder]: 150/2304 cut-off events. [2021-03-26 03:49:15,601 INFO L130 PetriNetUnfolder]: For 91968/92386 co-relation queries the response was YES. [2021-03-26 03:49:15,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16634 conditions, 2304 events. 150/2304 cut-off events. For 91968/92386 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 32564 event pairs, 0 based on Foata normal form. 2/2245 useless extension candidates. Maximal degree in co-relation 16515. Up to 300 conditions per place. [2021-03-26 03:49:15,647 INFO L142 LiptonReduction]: Number of co-enabled transitions 2438 [2021-03-26 03:49:15,667 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:15,668 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:15,668 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 381 [2021-03-26 03:49:15,668 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 356 transitions, 12087 flow [2021-03-26 03:49:15,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:15,668 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:15,668 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:15,668 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-26 03:49:15,668 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:15,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:15,669 INFO L82 PathProgramCache]: Analyzing trace with hash -669860520, now seen corresponding path program 45 times [2021-03-26 03:49:15,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:15,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126725766] [2021-03-26 03:49:15,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:15,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:15,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:15,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:15,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:15,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:15,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:15,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:15,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:49:15,705 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:49:15,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:49:15,733 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:15,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:15,754 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:15,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:15,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:15,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126725766] [2021-03-26 03:49:15,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:15,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:15,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604370312] [2021-03-26 03:49:15,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:15,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:15,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:15,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:15,776 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:15,776 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 356 transitions, 12087 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:15,776 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:15,776 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:15,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:16,387 INFO L129 PetriNetUnfolder]: 241/2495 cut-off events. [2021-03-26 03:49:16,388 INFO L130 PetriNetUnfolder]: For 102976/103352 co-relation queries the response was YES. [2021-03-26 03:49:16,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19502 conditions, 2495 events. 241/2495 cut-off events. For 102976/103352 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 34109 event pairs, 69 based on Foata normal form. 21/2410 useless extension candidates. Maximal degree in co-relation 19382. Up to 406 conditions per place. [2021-03-26 03:49:16,419 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 201 selfloop transitions, 151 changer transitions 2/368 dead transitions. [2021-03-26 03:49:16,420 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 368 transitions, 13202 flow [2021-03-26 03:49:16,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:16,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:16,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:16,420 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:16,420 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:16,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:16,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:16,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:16,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:16,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:16,422 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:16,422 INFO L185 Difference]: Start difference. First operand has 298 places, 356 transitions, 12087 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:16,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 368 transitions, 13202 flow [2021-03-26 03:49:16,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 368 transitions, 12826 flow, removed 30 selfloop flow, removed 10 redundant places. [2021-03-26 03:49:16,899 INFO L241 Difference]: Finished difference. Result has 298 places, 357 transitions, 12153 flow [2021-03-26 03:49:16,899 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11766, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12153, PETRI_PLACES=298, PETRI_TRANSITIONS=357} [2021-03-26 03:49:16,900 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 260 predicate places. [2021-03-26 03:49:16,900 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:16,900 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 357 transitions, 12153 flow [2021-03-26 03:49:16,900 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 357 transitions, 12153 flow [2021-03-26 03:49:16,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 297 places, 357 transitions, 12153 flow [2021-03-26 03:49:17,204 INFO L129 PetriNetUnfolder]: 149/2294 cut-off events. [2021-03-26 03:49:17,204 INFO L130 PetriNetUnfolder]: For 77882/78307 co-relation queries the response was YES. [2021-03-26 03:49:17,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15438 conditions, 2294 events. 149/2294 cut-off events. For 77882/78307 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 32351 event pairs, 0 based on Foata normal form. 2/2238 useless extension candidates. Maximal degree in co-relation 15322. Up to 298 conditions per place. [2021-03-26 03:49:17,247 INFO L142 LiptonReduction]: Number of co-enabled transitions 2454 [2021-03-26 03:49:17,267 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:17,267 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:17,268 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 368 [2021-03-26 03:49:17,268 INFO L480 AbstractCegarLoop]: Abstraction has has 297 places, 357 transitions, 12153 flow [2021-03-26 03:49:17,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:17,268 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:17,268 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:17,268 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-26 03:49:17,268 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:17,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:17,269 INFO L82 PathProgramCache]: Analyzing trace with hash 2117147140, now seen corresponding path program 46 times [2021-03-26 03:49:17,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:17,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563085017] [2021-03-26 03:49:17,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:17,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:17,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:17,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:17,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:17,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:17,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:17,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:17,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:49:17,303 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 03:49:17,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:49:17,328 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:17,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:17,346 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:17,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:17,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563085017] [2021-03-26 03:49:17,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:17,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:17,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983176293] [2021-03-26 03:49:17,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:17,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:17,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:17,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:17,365 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:17,365 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 357 transitions, 12153 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:17,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:17,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:17,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:18,042 INFO L129 PetriNetUnfolder]: 239/2695 cut-off events. [2021-03-26 03:49:18,042 INFO L130 PetriNetUnfolder]: For 94066/94444 co-relation queries the response was YES. [2021-03-26 03:49:18,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19633 conditions, 2695 events. 239/2695 cut-off events. For 94066/94444 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 37623 event pairs, 57 based on Foata normal form. 15/2599 useless extension candidates. Maximal degree in co-relation 19516. Up to 434 conditions per place. [2021-03-26 03:49:18,070 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 293 selfloop transitions, 127 changer transitions 2/436 dead transitions. [2021-03-26 03:49:18,070 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 436 transitions, 15764 flow [2021-03-26 03:49:18,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:18,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:18,071 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:18,071 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:18,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:18,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:18,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:18,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:18,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:18,072 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:18,072 INFO L185 Difference]: Start difference. First operand has 297 places, 357 transitions, 12153 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:18,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 436 transitions, 15764 flow [2021-03-26 03:49:18,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 436 transitions, 15437 flow, removed 22 selfloop flow, removed 6 redundant places. [2021-03-26 03:49:18,465 INFO L241 Difference]: Finished difference. Result has 303 places, 373 transitions, 12848 flow [2021-03-26 03:49:18,465 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11886, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12848, PETRI_PLACES=303, PETRI_TRANSITIONS=373} [2021-03-26 03:49:18,465 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 265 predicate places. [2021-03-26 03:49:18,465 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:18,465 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 303 places, 373 transitions, 12848 flow [2021-03-26 03:49:18,465 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 303 places, 373 transitions, 12848 flow [2021-03-26 03:49:18,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 302 places, 373 transitions, 12848 flow [2021-03-26 03:49:18,813 INFO L129 PetriNetUnfolder]: 165/2552 cut-off events. [2021-03-26 03:49:18,813 INFO L130 PetriNetUnfolder]: For 90321/90550 co-relation queries the response was YES. [2021-03-26 03:49:18,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17443 conditions, 2552 events. 165/2552 cut-off events. For 90321/90550 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 36774 event pairs, 0 based on Foata normal form. 0/2494 useless extension candidates. Maximal degree in co-relation 17325. Up to 330 conditions per place. [2021-03-26 03:49:18,863 INFO L142 LiptonReduction]: Number of co-enabled transitions 2588 [2021-03-26 03:49:18,887 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:18,887 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:18,887 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 422 [2021-03-26 03:49:18,888 INFO L480 AbstractCegarLoop]: Abstraction has has 302 places, 373 transitions, 12848 flow [2021-03-26 03:49:18,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:18,888 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:18,888 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:18,888 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-03-26 03:49:18,888 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:18,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:18,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1351111734, now seen corresponding path program 47 times [2021-03-26 03:49:18,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:18,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781511151] [2021-03-26 03:49:18,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:18,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:18,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:18,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:18,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:18,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:18,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:18,919 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:18,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:18,937 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 03:49:18,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:49:18,968 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:18,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:18,992 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:18,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:19,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781511151] [2021-03-26 03:49:19,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:19,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:19,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609341648] [2021-03-26 03:49:19,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:19,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:19,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:19,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:19,016 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:19,017 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 373 transitions, 12848 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:19,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:19,017 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:19,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:19,720 INFO L129 PetriNetUnfolder]: 237/2723 cut-off events. [2021-03-26 03:49:19,720 INFO L130 PetriNetUnfolder]: For 98988/99409 co-relation queries the response was YES. [2021-03-26 03:49:19,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20042 conditions, 2723 events. 237/2723 cut-off events. For 98988/99409 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 38221 event pairs, 69 based on Foata normal form. 22/2637 useless extension candidates. Maximal degree in co-relation 19923. Up to 426 conditions per place. [2021-03-26 03:49:19,755 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 219 selfloop transitions, 166 changer transitions 2/401 dead transitions. [2021-03-26 03:49:19,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 401 transitions, 14590 flow [2021-03-26 03:49:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:19,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:19,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:19,756 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:19,756 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:19,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:19,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:19,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:19,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:19,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:19,758 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:19,758 INFO L185 Difference]: Start difference. First operand has 302 places, 373 transitions, 12848 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:19,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 401 transitions, 14590 flow [2021-03-26 03:49:20,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 401 transitions, 14437 flow, removed 20 selfloop flow, removed 4 redundant places. [2021-03-26 03:49:20,240 INFO L241 Difference]: Finished difference. Result has 309 places, 377 transitions, 13274 flow [2021-03-26 03:49:20,240 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12711, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=13274, PETRI_PLACES=309, PETRI_TRANSITIONS=377} [2021-03-26 03:49:20,240 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 271 predicate places. [2021-03-26 03:49:20,240 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:20,240 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 309 places, 377 transitions, 13274 flow [2021-03-26 03:49:20,241 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 309 places, 377 transitions, 13274 flow [2021-03-26 03:49:20,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 308 places, 377 transitions, 13274 flow [2021-03-26 03:49:20,623 INFO L129 PetriNetUnfolder]: 167/2588 cut-off events. [2021-03-26 03:49:20,623 INFO L130 PetriNetUnfolder]: For 94159/94406 co-relation queries the response was YES. [2021-03-26 03:49:20,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18011 conditions, 2588 events. 167/2588 cut-off events. For 94159/94406 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 37395 event pairs, 0 based on Foata normal form. 0/2523 useless extension candidates. Maximal degree in co-relation 17891. Up to 334 conditions per place. [2021-03-26 03:49:20,670 INFO L142 LiptonReduction]: Number of co-enabled transitions 2638 [2021-03-26 03:49:20,692 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:20,692 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:20,692 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 452 [2021-03-26 03:49:20,692 INFO L480 AbstractCegarLoop]: Abstraction has has 308 places, 377 transitions, 13274 flow [2021-03-26 03:49:20,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:20,693 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:20,693 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:20,693 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-03-26 03:49:20,693 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:20,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:20,693 INFO L82 PathProgramCache]: Analyzing trace with hash 977850520, now seen corresponding path program 48 times [2021-03-26 03:49:20,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:20,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176093274] [2021-03-26 03:49:20,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:20,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:20,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:20,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:20,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:20,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:20,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:20,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:20,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:49:20,734 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 03:49:20,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:49:20,763 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:20,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:20,786 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:20,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:20,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:20,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176093274] [2021-03-26 03:49:20,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:20,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:20,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736056810] [2021-03-26 03:49:20,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:20,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:20,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:20,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:20,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:20,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 377 transitions, 13274 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:20,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:20,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:20,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:21,492 INFO L129 PetriNetUnfolder]: 236/2713 cut-off events. [2021-03-26 03:49:21,493 INFO L130 PetriNetUnfolder]: For 101199/101593 co-relation queries the response was YES. [2021-03-26 03:49:21,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20287 conditions, 2713 events. 236/2713 cut-off events. For 101199/101593 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 38010 event pairs, 69 based on Foata normal form. 22/2621 useless extension candidates. Maximal degree in co-relation 20166. Up to 443 conditions per place. [2021-03-26 03:49:21,523 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 246 selfloop transitions, 157 changer transitions 2/419 dead transitions. [2021-03-26 03:49:21,523 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 419 transitions, 15589 flow [2021-03-26 03:49:21,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:21,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:21,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:21,524 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:21,525 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:21,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:21,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:21,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:21,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:21,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:21,526 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:21,526 INFO L185 Difference]: Start difference. First operand has 308 places, 377 transitions, 13274 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:21,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 419 transitions, 15589 flow [2021-03-26 03:49:21,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 419 transitions, 15404 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-03-26 03:49:21,962 INFO L241 Difference]: Finished difference. Result has 316 places, 391 transitions, 14134 flow [2021-03-26 03:49:21,962 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13112, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14134, PETRI_PLACES=316, PETRI_TRANSITIONS=391} [2021-03-26 03:49:21,962 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 278 predicate places. [2021-03-26 03:49:21,962 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:21,962 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 316 places, 391 transitions, 14134 flow [2021-03-26 03:49:21,962 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 316 places, 391 transitions, 14134 flow [2021-03-26 03:49:21,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 315 places, 391 transitions, 14134 flow [2021-03-26 03:49:22,319 INFO L129 PetriNetUnfolder]: 166/2578 cut-off events. [2021-03-26 03:49:22,319 INFO L130 PetriNetUnfolder]: For 100481/100696 co-relation queries the response was YES. [2021-03-26 03:49:22,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18240 conditions, 2578 events. 166/2578 cut-off events. For 100481/100696 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 37231 event pairs, 0 based on Foata normal form. 0/2520 useless extension candidates. Maximal degree in co-relation 18117. Up to 332 conditions per place. [2021-03-26 03:49:22,363 INFO L142 LiptonReduction]: Number of co-enabled transitions 2776 [2021-03-26 03:49:22,387 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:22,387 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:22,387 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 425 [2021-03-26 03:49:22,388 INFO L480 AbstractCegarLoop]: Abstraction has has 315 places, 391 transitions, 14134 flow [2021-03-26 03:49:22,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:22,388 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:22,388 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:22,388 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-03-26 03:49:22,388 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:22,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:22,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1740840540, now seen corresponding path program 49 times [2021-03-26 03:49:22,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:22,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869808604] [2021-03-26 03:49:22,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:22,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:22,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:22,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:22,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:22,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:22,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:22,413 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:22,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:22,432 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:49:22,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:49:22,454 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:49:22,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:49:22,475 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:22,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:22,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:22,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869808604] [2021-03-26 03:49:22,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:22,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:22,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864343035] [2021-03-26 03:49:22,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:22,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:22,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:22,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:22,493 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:22,494 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 391 transitions, 14134 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:22,494 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:22,494 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:22,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:23,160 INFO L129 PetriNetUnfolder]: 235/2703 cut-off events. [2021-03-26 03:49:23,160 INFO L130 PetriNetUnfolder]: For 107510/107992 co-relation queries the response was YES. [2021-03-26 03:49:23,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20523 conditions, 2703 events. 235/2703 cut-off events. For 107510/107992 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 37856 event pairs, 69 based on Foata normal form. 25/2619 useless extension candidates. Maximal degree in co-relation 20399. Up to 426 conditions per place. [2021-03-26 03:49:23,189 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 218 selfloop transitions, 176 changer transitions 3/411 dead transitions. [2021-03-26 03:49:23,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 411 transitions, 15626 flow [2021-03-26 03:49:23,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:23,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:23,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:23,190 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:23,190 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:23,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:23,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:23,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:23,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:23,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:23,191 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:23,191 INFO L185 Difference]: Start difference. First operand has 315 places, 391 transitions, 14134 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:23,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 411 transitions, 15626 flow [2021-03-26 03:49:23,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 411 transitions, 15430 flow, removed 24 selfloop flow, removed 4 redundant places. [2021-03-26 03:49:23,671 INFO L241 Difference]: Finished difference. Result has 320 places, 390 transitions, 14290 flow [2021-03-26 03:49:23,671 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13948, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14290, PETRI_PLACES=320, PETRI_TRANSITIONS=390} [2021-03-26 03:49:23,671 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 282 predicate places. [2021-03-26 03:49:23,672 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:23,672 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 320 places, 390 transitions, 14290 flow [2021-03-26 03:49:23,672 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 320 places, 390 transitions, 14290 flow [2021-03-26 03:49:23,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 319 places, 390 transitions, 14290 flow [2021-03-26 03:49:24,030 INFO L129 PetriNetUnfolder]: 165/2566 cut-off events. [2021-03-26 03:49:24,030 INFO L130 PetriNetUnfolder]: For 100029/100254 co-relation queries the response was YES. [2021-03-26 03:49:24,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18345 conditions, 2566 events. 165/2566 cut-off events. For 100029/100254 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 36967 event pairs, 0 based on Foata normal form. 0/2506 useless extension candidates. Maximal degree in co-relation 18222. Up to 330 conditions per place. [2021-03-26 03:49:24,088 INFO L142 LiptonReduction]: Number of co-enabled transitions 2760 [2021-03-26 03:49:24,113 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:24,114 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:24,114 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 443 [2021-03-26 03:49:24,114 INFO L480 AbstractCegarLoop]: Abstraction has has 319 places, 390 transitions, 14290 flow [2021-03-26 03:49:24,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:24,114 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:24,114 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:24,114 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-03-26 03:49:24,114 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:24,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:24,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1986280744, now seen corresponding path program 50 times [2021-03-26 03:49:24,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:24,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733467668] [2021-03-26 03:49:24,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:24,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:24,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:24,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:24,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:24,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:24,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:24,137 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:24,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:24,157 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 03:49:24,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:49:24,185 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:24,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:24,206 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:24,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:24,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:24,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733467668] [2021-03-26 03:49:24,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:24,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:24,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519213952] [2021-03-26 03:49:24,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:24,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:24,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:24,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:24,228 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:24,228 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 390 transitions, 14290 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:24,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:24,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:24,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:24,886 INFO L129 PetriNetUnfolder]: 234/2691 cut-off events. [2021-03-26 03:49:24,886 INFO L130 PetriNetUnfolder]: For 107407/107889 co-relation queries the response was YES. [2021-03-26 03:49:24,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20623 conditions, 2691 events. 234/2691 cut-off events. For 107407/107889 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 37673 event pairs, 69 based on Foata normal form. 25/2607 useless extension candidates. Maximal degree in co-relation 20499. Up to 426 conditions per place. [2021-03-26 03:49:24,916 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 222 selfloop transitions, 172 changer transitions 2/410 dead transitions. [2021-03-26 03:49:24,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 410 transitions, 15776 flow [2021-03-26 03:49:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:24,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:24,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:24,917 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:24,917 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:24,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:24,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:24,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:24,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:24,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:24,919 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:24,919 INFO L185 Difference]: Start difference. First operand has 319 places, 390 transitions, 14290 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:24,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 410 transitions, 15776 flow [2021-03-26 03:49:25,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 410 transitions, 15433 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 03:49:25,427 INFO L241 Difference]: Finished difference. Result has 323 places, 390 transitions, 14306 flow [2021-03-26 03:49:25,427 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13955, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14306, PETRI_PLACES=323, PETRI_TRANSITIONS=390} [2021-03-26 03:49:25,427 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 285 predicate places. [2021-03-26 03:49:25,427 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:25,427 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 390 transitions, 14306 flow [2021-03-26 03:49:25,428 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 390 transitions, 14306 flow [2021-03-26 03:49:25,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 322 places, 390 transitions, 14306 flow [2021-03-26 03:49:25,806 INFO L129 PetriNetUnfolder]: 164/2556 cut-off events. [2021-03-26 03:49:25,806 INFO L130 PetriNetUnfolder]: For 100342/100557 co-relation queries the response was YES. [2021-03-26 03:49:25,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18310 conditions, 2556 events. 164/2556 cut-off events. For 100342/100557 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 36842 event pairs, 0 based on Foata normal form. 0/2497 useless extension candidates. Maximal degree in co-relation 18186. Up to 328 conditions per place. [2021-03-26 03:49:25,860 INFO L142 LiptonReduction]: Number of co-enabled transitions 2750 [2021-03-26 03:49:25,887 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:25,887 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:25,887 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 460 [2021-03-26 03:49:25,887 INFO L480 AbstractCegarLoop]: Abstraction has has 322 places, 390 transitions, 14306 flow [2021-03-26 03:49:25,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:25,887 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:25,887 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:25,888 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-03-26 03:49:25,888 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:25,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:25,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1990232474, now seen corresponding path program 51 times [2021-03-26 03:49:25,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:25,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408709517] [2021-03-26 03:49:25,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:25,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:25,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:25,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:25,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:25,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:25,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:25,920 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:25,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:25,943 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:49:25,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:49:25,966 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:49:25,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:49:25,990 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:25,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:26,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:26,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408709517] [2021-03-26 03:49:26,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:26,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:26,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894734156] [2021-03-26 03:49:26,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:26,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:26,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:26,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:26,014 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:26,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 390 transitions, 14306 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:26,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:26,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:26,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:26,713 INFO L129 PetriNetUnfolder]: 233/2681 cut-off events. [2021-03-26 03:49:26,713 INFO L130 PetriNetUnfolder]: For 107436/107918 co-relation queries the response was YES. [2021-03-26 03:49:26,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20585 conditions, 2681 events. 233/2681 cut-off events. For 107436/107918 co-relation queries the response was YES. Maximal size of possible extension queue 480. Compared 37495 event pairs, 69 based on Foata normal form. 25/2597 useless extension candidates. Maximal degree in co-relation 20460. Up to 426 conditions per place. [2021-03-26 03:49:26,745 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 214 selfloop transitions, 180 changer transitions 0/408 dead transitions. [2021-03-26 03:49:26,745 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 408 transitions, 15720 flow [2021-03-26 03:49:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:26,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:26,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:26,746 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:26,746 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:26,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:26,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:26,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:26,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:26,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:26,747 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:26,747 INFO L185 Difference]: Start difference. First operand has 322 places, 390 transitions, 14306 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:26,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 408 transitions, 15720 flow [2021-03-26 03:49:27,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 408 transitions, 15565 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-26 03:49:27,267 INFO L241 Difference]: Finished difference. Result has 328 places, 404 transitions, 15145 flow [2021-03-26 03:49:27,267 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14159, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=166, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15145, PETRI_PLACES=328, PETRI_TRANSITIONS=404} [2021-03-26 03:49:27,267 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 290 predicate places. [2021-03-26 03:49:27,267 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:27,268 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 328 places, 404 transitions, 15145 flow [2021-03-26 03:49:27,268 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 328 places, 404 transitions, 15145 flow [2021-03-26 03:49:27,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 328 places, 404 transitions, 15145 flow [2021-03-26 03:49:27,655 INFO L129 PetriNetUnfolder]: 164/2555 cut-off events. [2021-03-26 03:49:27,656 INFO L130 PetriNetUnfolder]: For 102489/102704 co-relation queries the response was YES. [2021-03-26 03:49:27,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18587 conditions, 2555 events. 164/2555 cut-off events. For 102489/102704 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 36803 event pairs, 0 based on Foata normal form. 0/2496 useless extension candidates. Maximal degree in co-relation 18462. Up to 328 conditions per place. [2021-03-26 03:49:27,703 INFO L142 LiptonReduction]: Number of co-enabled transitions 2788 [2021-03-26 03:49:27,730 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:27,730 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:27,730 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 463 [2021-03-26 03:49:27,731 INFO L480 AbstractCegarLoop]: Abstraction has has 328 places, 404 transitions, 15145 flow [2021-03-26 03:49:27,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:27,731 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:27,731 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:27,731 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-03-26 03:49:27,731 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:27,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:27,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1553442510, now seen corresponding path program 52 times [2021-03-26 03:49:27,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:27,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002504700] [2021-03-26 03:49:27,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:27,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:27,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:27,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:27,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:27,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:27,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:27,754 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:27,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:27,772 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:49:27,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:49:27,787 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:27,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:27,820 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:27,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:27,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002504700] [2021-03-26 03:49:27,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:27,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:27,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233240708] [2021-03-26 03:49:27,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:27,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:27,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:27,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:27,840 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:27,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 404 transitions, 15145 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:27,840 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:27,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:27,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:28,568 INFO L129 PetriNetUnfolder]: 233/2680 cut-off events. [2021-03-26 03:49:28,568 INFO L130 PetriNetUnfolder]: For 109825/110305 co-relation queries the response was YES. [2021-03-26 03:49:28,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20861 conditions, 2680 events. 233/2680 cut-off events. For 109825/110305 co-relation queries the response was YES. Maximal size of possible extension queue 480. Compared 37436 event pairs, 69 based on Foata normal form. 24/2595 useless extension candidates. Maximal degree in co-relation 20735. Up to 426 conditions per place. [2021-03-26 03:49:28,600 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 214 selfloop transitions, 176 changer transitions 4/408 dead transitions. [2021-03-26 03:49:28,600 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 408 transitions, 16029 flow [2021-03-26 03:49:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:28,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:28,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:28,601 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:28,601 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:28,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:28,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:28,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:28,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:28,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:28,602 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:28,602 INFO L185 Difference]: Start difference. First operand has 328 places, 404 transitions, 15145 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:28,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 408 transitions, 16029 flow [2021-03-26 03:49:29,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 408 transitions, 15750 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 03:49:29,152 INFO L241 Difference]: Finished difference. Result has 333 places, 400 transitions, 15034 flow [2021-03-26 03:49:29,152 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14866, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=176, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15034, PETRI_PLACES=333, PETRI_TRANSITIONS=400} [2021-03-26 03:49:29,152 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 295 predicate places. [2021-03-26 03:49:29,152 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:29,153 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 400 transitions, 15034 flow [2021-03-26 03:49:29,153 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 400 transitions, 15034 flow [2021-03-26 03:49:29,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 331 places, 400 transitions, 15034 flow [2021-03-26 03:49:29,526 INFO L129 PetriNetUnfolder]: 163/2540 cut-off events. [2021-03-26 03:49:29,527 INFO L130 PetriNetUnfolder]: For 104757/104972 co-relation queries the response was YES. [2021-03-26 03:49:29,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18805 conditions, 2540 events. 163/2540 cut-off events. For 104757/104972 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 36554 event pairs, 0 based on Foata normal form. 0/2481 useless extension candidates. Maximal degree in co-relation 18679. Up to 326 conditions per place. [2021-03-26 03:49:29,576 INFO L142 LiptonReduction]: Number of co-enabled transitions 2742 [2021-03-26 03:49:29,604 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:29,605 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:29,605 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 453 [2021-03-26 03:49:29,605 INFO L480 AbstractCegarLoop]: Abstraction has has 331 places, 400 transitions, 15034 flow [2021-03-26 03:49:29,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:29,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:29,605 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:29,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-03-26 03:49:29,606 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:29,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:29,606 INFO L82 PathProgramCache]: Analyzing trace with hash -947050058, now seen corresponding path program 53 times [2021-03-26 03:49:29,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:29,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270498055] [2021-03-26 03:49:29,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:29,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:29,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:29,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:29,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:29,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:29,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:29,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:29,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:49:29,642 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:29,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:29,657 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:29,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:29,678 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:29,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:29,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:29,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270498055] [2021-03-26 03:49:29,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:29,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:29,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743978923] [2021-03-26 03:49:29,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:29,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:29,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:29,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:29,700 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:29,700 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 400 transitions, 15034 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:29,700 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:29,700 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:29,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:30,421 INFO L129 PetriNetUnfolder]: 232/2665 cut-off events. [2021-03-26 03:49:30,421 INFO L130 PetriNetUnfolder]: For 112090/112570 co-relation queries the response was YES. [2021-03-26 03:49:30,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21072 conditions, 2665 events. 232/2665 cut-off events. For 112090/112570 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 37199 event pairs, 69 based on Foata normal form. 24/2582 useless extension candidates. Maximal degree in co-relation 20945. Up to 442 conditions per place. [2021-03-26 03:49:30,454 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 228 selfloop transitions, 160 changer transitions 2/404 dead transitions. [2021-03-26 03:49:30,454 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 404 transitions, 15918 flow [2021-03-26 03:49:30,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:30,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:30,455 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:30,456 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:30,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:30,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:30,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:30,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:30,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:30,457 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:30,457 INFO L185 Difference]: Start difference. First operand has 331 places, 400 transitions, 15034 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:30,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 404 transitions, 15918 flow [2021-03-26 03:49:30,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 404 transitions, 15500 flow, removed 13 selfloop flow, removed 7 redundant places. [2021-03-26 03:49:31,003 INFO L241 Difference]: Finished difference. Result has 332 places, 398 transitions, 14865 flow [2021-03-26 03:49:31,003 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14632, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14865, PETRI_PLACES=332, PETRI_TRANSITIONS=398} [2021-03-26 03:49:31,003 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 294 predicate places. [2021-03-26 03:49:31,003 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:31,004 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 332 places, 398 transitions, 14865 flow [2021-03-26 03:49:31,004 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 332 places, 398 transitions, 14865 flow [2021-03-26 03:49:31,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 331 places, 398 transitions, 14865 flow [2021-03-26 03:49:31,367 INFO L129 PetriNetUnfolder]: 162/2530 cut-off events. [2021-03-26 03:49:31,367 INFO L130 PetriNetUnfolder]: For 101227/101453 co-relation queries the response was YES. [2021-03-26 03:49:31,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18398 conditions, 2530 events. 162/2530 cut-off events. For 101227/101453 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 36341 event pairs, 0 based on Foata normal form. 0/2471 useless extension candidates. Maximal degree in co-relation 18273. Up to 324 conditions per place. [2021-03-26 03:49:31,414 INFO L142 LiptonReduction]: Number of co-enabled transitions 2730 [2021-03-26 03:49:31,439 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:31,440 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:31,440 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 437 [2021-03-26 03:49:31,440 INFO L480 AbstractCegarLoop]: Abstraction has has 331 places, 398 transitions, 14865 flow [2021-03-26 03:49:31,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:31,440 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:31,440 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:31,440 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-03-26 03:49:31,440 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:31,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:31,441 INFO L82 PathProgramCache]: Analyzing trace with hash -63561370, now seen corresponding path program 54 times [2021-03-26 03:49:31,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:31,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017340076] [2021-03-26 03:49:31,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:31,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:31,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:31,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:31,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:31,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:31,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:31,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:31,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:49:31,480 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:49:31,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:49:31,505 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:49:31,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:49:31,524 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:31,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:31,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:31,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017340076] [2021-03-26 03:49:31,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:31,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:31,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64018455] [2021-03-26 03:49:31,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:31,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:31,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:31,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:31,549 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:31,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 398 transitions, 14865 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:31,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:31,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:31,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:32,220 INFO L129 PetriNetUnfolder]: 231/2655 cut-off events. [2021-03-26 03:49:32,221 INFO L130 PetriNetUnfolder]: For 108181/108661 co-relation queries the response was YES. [2021-03-26 03:49:32,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20663 conditions, 2655 events. 231/2655 cut-off events. For 108181/108661 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 37047 event pairs, 69 based on Foata normal form. 24/2572 useless extension candidates. Maximal degree in co-relation 20537. Up to 442 conditions per place. [2021-03-26 03:49:32,255 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 221 selfloop transitions, 165 changer transitions 2/402 dead transitions. [2021-03-26 03:49:32,255 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 402 transitions, 15737 flow [2021-03-26 03:49:32,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:32,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:32,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:32,256 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:32,256 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:32,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:32,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:32,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:32,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:32,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:32,257 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:32,258 INFO L185 Difference]: Start difference. First operand has 331 places, 398 transitions, 14865 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:32,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 402 transitions, 15737 flow [2021-03-26 03:49:32,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 402 transitions, 15310 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 03:49:32,765 INFO L241 Difference]: Finished difference. Result has 333 places, 396 transitions, 14687 flow [2021-03-26 03:49:32,765 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14446, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14687, PETRI_PLACES=333, PETRI_TRANSITIONS=396} [2021-03-26 03:49:32,765 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 295 predicate places. [2021-03-26 03:49:32,765 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:32,765 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 396 transitions, 14687 flow [2021-03-26 03:49:32,766 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 396 transitions, 14687 flow [2021-03-26 03:49:32,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 332 places, 396 transitions, 14687 flow [2021-03-26 03:49:33,183 INFO L129 PetriNetUnfolder]: 161/2520 cut-off events. [2021-03-26 03:49:33,183 INFO L130 PetriNetUnfolder]: For 98514/98739 co-relation queries the response was YES. [2021-03-26 03:49:33,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18307 conditions, 2520 events. 161/2520 cut-off events. For 98514/98739 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 36190 event pairs, 0 based on Foata normal form. 1/2464 useless extension candidates. Maximal degree in co-relation 18182. Up to 322 conditions per place. [2021-03-26 03:49:33,223 INFO L142 LiptonReduction]: Number of co-enabled transitions 2712 [2021-03-26 03:49:33,247 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:33,247 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:33,247 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 482 [2021-03-26 03:49:33,248 INFO L480 AbstractCegarLoop]: Abstraction has has 332 places, 396 transitions, 14687 flow [2021-03-26 03:49:33,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:33,248 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:33,248 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:33,248 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-03-26 03:49:33,248 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:33,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:33,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1536876484, now seen corresponding path program 55 times [2021-03-26 03:49:33,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:33,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058000147] [2021-03-26 03:49:33,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:33,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:33,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:33,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:33,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:33,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:33,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:33,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:33,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:49:33,282 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:33,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:33,299 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:49:33,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:49:33,321 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:33,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:33,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:33,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058000147] [2021-03-26 03:49:33,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:33,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:33,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759115751] [2021-03-26 03:49:33,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:33,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:33,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:33,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:33,340 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:33,341 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 396 transitions, 14687 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:33,341 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:33,341 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:33,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:33,992 INFO L129 PetriNetUnfolder]: 230/2645 cut-off events. [2021-03-26 03:49:33,992 INFO L130 PetriNetUnfolder]: For 105799/106281 co-relation queries the response was YES. [2021-03-26 03:49:34,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20569 conditions, 2645 events. 230/2645 cut-off events. For 105799/106281 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 36852 event pairs, 69 based on Foata normal form. 25/2563 useless extension candidates. Maximal degree in co-relation 20443. Up to 442 conditions per place. [2021-03-26 03:49:34,024 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 221 selfloop transitions, 162 changer transitions 3/400 dead transitions. [2021-03-26 03:49:34,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 400 transitions, 15555 flow [2021-03-26 03:49:34,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:34,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:34,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:34,025 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:34,025 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:34,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:34,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:34,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:34,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:34,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:34,027 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:34,027 INFO L185 Difference]: Start difference. First operand has 332 places, 396 transitions, 14687 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:34,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 400 transitions, 15555 flow [2021-03-26 03:49:34,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 400 transitions, 15233 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 03:49:34,546 INFO L241 Difference]: Finished difference. Result has 335 places, 393 transitions, 14550 flow [2021-03-26 03:49:34,547 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14373, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14550, PETRI_PLACES=335, PETRI_TRANSITIONS=393} [2021-03-26 03:49:34,547 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 297 predicate places. [2021-03-26 03:49:34,547 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:34,547 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 335 places, 393 transitions, 14550 flow [2021-03-26 03:49:34,547 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 335 places, 393 transitions, 14550 flow [2021-03-26 03:49:34,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 333 places, 393 transitions, 14550 flow [2021-03-26 03:49:34,904 INFO L129 PetriNetUnfolder]: 160/2504 cut-off events. [2021-03-26 03:49:34,904 INFO L130 PetriNetUnfolder]: For 97866/98081 co-relation queries the response was YES. [2021-03-26 03:49:34,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18175 conditions, 2504 events. 160/2504 cut-off events. For 97866/98081 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 35911 event pairs, 0 based on Foata normal form. 0/2446 useless extension candidates. Maximal degree in co-relation 18050. Up to 320 conditions per place. [2021-03-26 03:49:34,951 INFO L142 LiptonReduction]: Number of co-enabled transitions 2682 [2021-03-26 03:49:34,975 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:34,975 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:34,976 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 429 [2021-03-26 03:49:34,976 INFO L480 AbstractCegarLoop]: Abstraction has has 333 places, 393 transitions, 14550 flow [2021-03-26 03:49:34,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:34,976 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:34,976 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:34,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-03-26 03:49:34,976 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:34,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:34,976 INFO L82 PathProgramCache]: Analyzing trace with hash 632381588, now seen corresponding path program 56 times [2021-03-26 03:49:34,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:34,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436639193] [2021-03-26 03:49:34,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:34,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:34,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:34,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:34,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:34,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:34,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:35,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:35,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:49:35,013 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:35,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:35,029 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:35,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:35,050 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:35,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:35,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:35,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436639193] [2021-03-26 03:49:35,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:35,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:35,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423128524] [2021-03-26 03:49:35,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:35,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:35,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:35,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:35,073 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:35,073 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 393 transitions, 14550 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:35,073 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:35,073 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:35,073 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:35,813 INFO L129 PetriNetUnfolder]: 229/2629 cut-off events. [2021-03-26 03:49:35,814 INFO L130 PetriNetUnfolder]: For 104893/105375 co-relation queries the response was YES. [2021-03-26 03:49:35,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20431 conditions, 2629 events. 229/2629 cut-off events. For 104893/105375 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 36543 event pairs, 69 based on Foata normal form. 25/2548 useless extension candidates. Maximal degree in co-relation 20305. Up to 436 conditions per place. [2021-03-26 03:49:35,842 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 248 selfloop transitions, 157 changer transitions 0/419 dead transitions. [2021-03-26 03:49:35,842 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 419 transitions, 16322 flow [2021-03-26 03:49:35,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:35,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:35,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:35,843 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:35,843 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:35,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:35,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:35,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:35,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:35,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:35,844 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:35,844 INFO L185 Difference]: Start difference. First operand has 333 places, 393 transitions, 14550 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:35,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 419 transitions, 16322 flow [2021-03-26 03:49:36,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 419 transitions, 15952 flow, removed 24 selfloop flow, removed 6 redundant places. [2021-03-26 03:49:36,335 INFO L241 Difference]: Finished difference. Result has 337 places, 411 transitions, 15354 flow [2021-03-26 03:49:36,335 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14212, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15354, PETRI_PLACES=337, PETRI_TRANSITIONS=411} [2021-03-26 03:49:36,335 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 299 predicate places. [2021-03-26 03:49:36,335 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:36,335 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 337 places, 411 transitions, 15354 flow [2021-03-26 03:49:36,335 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 337 places, 411 transitions, 15354 flow [2021-03-26 03:49:36,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 337 places, 411 transitions, 15354 flow [2021-03-26 03:49:36,689 INFO L129 PetriNetUnfolder]: 160/2503 cut-off events. [2021-03-26 03:49:36,689 INFO L130 PetriNetUnfolder]: For 95557/95772 co-relation queries the response was YES. [2021-03-26 03:49:36,714 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17900 conditions, 2503 events. 160/2503 cut-off events. For 95557/95772 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 35949 event pairs, 0 based on Foata normal form. 0/2447 useless extension candidates. Maximal degree in co-relation 17774. Up to 320 conditions per place. [2021-03-26 03:49:36,737 INFO L142 LiptonReduction]: Number of co-enabled transitions 2738 [2021-03-26 03:49:36,764 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:36,764 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:36,764 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 429 [2021-03-26 03:49:36,765 INFO L480 AbstractCegarLoop]: Abstraction has has 337 places, 411 transitions, 15354 flow [2021-03-26 03:49:36,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:36,765 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:36,765 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:36,765 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-03-26 03:49:36,765 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:36,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:36,765 INFO L82 PathProgramCache]: Analyzing trace with hash -440703792, now seen corresponding path program 57 times [2021-03-26 03:49:36,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:36,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476361640] [2021-03-26 03:49:36,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:36,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:36,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:36,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:36,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:36,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:36,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:36,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:36,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:49:36,808 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:36,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:36,823 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:36,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:36,843 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:36,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:36,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476361640] [2021-03-26 03:49:36,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:36,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:36,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462442513] [2021-03-26 03:49:36,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:36,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:36,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:36,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:36,867 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:36,868 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 411 transitions, 15354 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:36,868 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:36,868 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:36,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:37,565 INFO L129 PetriNetUnfolder]: 229/2628 cut-off events. [2021-03-26 03:49:37,565 INFO L130 PetriNetUnfolder]: For 102446/102928 co-relation queries the response was YES. [2021-03-26 03:49:37,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20140 conditions, 2628 events. 229/2628 cut-off events. For 102446/102928 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 36577 event pairs, 69 based on Foata normal form. 24/2546 useless extension candidates. Maximal degree in co-relation 20013. Up to 436 conditions per place. [2021-03-26 03:49:37,595 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 252 selfloop transitions, 151 changer transitions 2/419 dead transitions. [2021-03-26 03:49:37,595 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 419 transitions, 16378 flow [2021-03-26 03:49:37,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:37,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:37,596 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:37,596 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:37,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:37,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:37,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:37,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:37,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:37,597 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:37,597 INFO L185 Difference]: Start difference. First operand has 337 places, 411 transitions, 15354 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:37,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 419 transitions, 16378 flow [2021-03-26 03:49:38,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 419 transitions, 16115 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-03-26 03:49:38,081 INFO L241 Difference]: Finished difference. Result has 342 places, 413 transitions, 15472 flow [2021-03-26 03:49:38,081 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=15091, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15472, PETRI_PLACES=342, PETRI_TRANSITIONS=413} [2021-03-26 03:49:38,081 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 304 predicate places. [2021-03-26 03:49:38,081 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:38,081 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 342 places, 413 transitions, 15472 flow [2021-03-26 03:49:38,081 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 342 places, 413 transitions, 15472 flow [2021-03-26 03:49:38,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 341 places, 413 transitions, 15472 flow [2021-03-26 03:49:38,453 INFO L129 PetriNetUnfolder]: 159/2493 cut-off events. [2021-03-26 03:49:38,453 INFO L130 PetriNetUnfolder]: For 99200/99415 co-relation queries the response was YES. [2021-03-26 03:49:38,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18194 conditions, 2493 events. 159/2493 cut-off events. For 99200/99415 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 35746 event pairs, 0 based on Foata normal form. 0/2433 useless extension candidates. Maximal degree in co-relation 18067. Up to 318 conditions per place. [2021-03-26 03:49:38,497 INFO L142 LiptonReduction]: Number of co-enabled transitions 2754 [2021-03-26 03:49:38,525 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:38,525 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:38,525 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 444 [2021-03-26 03:49:38,526 INFO L480 AbstractCegarLoop]: Abstraction has has 341 places, 413 transitions, 15472 flow [2021-03-26 03:49:38,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:38,526 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:38,526 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:38,526 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-03-26 03:49:38,526 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:38,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:38,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1547496748, now seen corresponding path program 58 times [2021-03-26 03:49:38,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:38,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723074665] [2021-03-26 03:49:38,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:38,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:38,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:38,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:38,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:38,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:38,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:38,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:38,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:49:38,560 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:38,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:38,576 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:38,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:38,597 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:38,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:38,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:38,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723074665] [2021-03-26 03:49:38,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:38,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:38,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492388299] [2021-03-26 03:49:38,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:38,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:38,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:38,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:38,617 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:38,617 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 413 transitions, 15472 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:38,617 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:38,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:38,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:39,289 INFO L129 PetriNetUnfolder]: 228/2618 cut-off events. [2021-03-26 03:49:39,289 INFO L130 PetriNetUnfolder]: For 106101/106583 co-relation queries the response was YES. [2021-03-26 03:49:39,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20430 conditions, 2618 events. 228/2618 cut-off events. For 106101/106583 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 36318 event pairs, 69 based on Foata normal form. 24/2536 useless extension candidates. Maximal degree in co-relation 20302. Up to 436 conditions per place. [2021-03-26 03:49:39,319 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 248 selfloop transitions, 152 changer transitions 3/417 dead transitions. [2021-03-26 03:49:39,319 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 417 transitions, 16374 flow [2021-03-26 03:49:39,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:39,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:39,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:39,320 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:39,320 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:39,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:39,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:39,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:39,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:39,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:39,321 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:39,321 INFO L185 Difference]: Start difference. First operand has 341 places, 413 transitions, 15472 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:39,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 417 transitions, 16374 flow [2021-03-26 03:49:39,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 417 transitions, 16121 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 03:49:39,794 INFO L241 Difference]: Finished difference. Result has 345 places, 410 transitions, 15384 flow [2021-03-26 03:49:39,794 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=15227, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15384, PETRI_PLACES=345, PETRI_TRANSITIONS=410} [2021-03-26 03:49:39,794 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 307 predicate places. [2021-03-26 03:49:39,794 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:39,795 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 345 places, 410 transitions, 15384 flow [2021-03-26 03:49:39,795 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 345 places, 410 transitions, 15384 flow [2021-03-26 03:49:39,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 343 places, 410 transitions, 15384 flow [2021-03-26 03:49:40,134 INFO L129 PetriNetUnfolder]: 158/2477 cut-off events. [2021-03-26 03:49:40,135 INFO L130 PetriNetUnfolder]: For 98563/98788 co-relation queries the response was YES. [2021-03-26 03:49:40,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18131 conditions, 2477 events. 158/2477 cut-off events. For 98563/98788 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 35381 event pairs, 0 based on Foata normal form. 1/2423 useless extension candidates. Maximal degree in co-relation 18004. Up to 316 conditions per place. [2021-03-26 03:49:40,179 INFO L142 LiptonReduction]: Number of co-enabled transitions 2730 [2021-03-26 03:49:40,207 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:40,207 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:40,207 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 413 [2021-03-26 03:49:40,207 INFO L480 AbstractCegarLoop]: Abstraction has has 343 places, 410 transitions, 15384 flow [2021-03-26 03:49:40,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:40,208 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:40,208 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:40,208 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-03-26 03:49:40,208 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:40,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:40,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1498620048, now seen corresponding path program 59 times [2021-03-26 03:49:40,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:40,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635974433] [2021-03-26 03:49:40,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:40,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:40,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:40,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:40,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:40,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:40,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:40,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:40,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:49:40,242 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 03:49:40,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:49:40,266 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:40,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:40,285 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:40,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:40,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:40,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635974433] [2021-03-26 03:49:40,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:40,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:40,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544327622] [2021-03-26 03:49:40,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:40,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:40,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:40,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:40,307 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:40,307 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 410 transitions, 15384 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:40,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:40,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:40,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:41,033 INFO L129 PetriNetUnfolder]: 227/2602 cut-off events. [2021-03-26 03:49:41,034 INFO L130 PetriNetUnfolder]: For 105303/105787 co-relation queries the response was YES. [2021-03-26 03:49:41,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20361 conditions, 2602 events. 227/2602 cut-off events. For 105303/105787 co-relation queries the response was YES. Maximal size of possible extension queue 462. Compared 36059 event pairs, 69 based on Foata normal form. 25/2522 useless extension candidates. Maximal degree in co-relation 20233. Up to 436 conditions per place. [2021-03-26 03:49:41,067 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 249 selfloop transitions, 149 changer transitions 2/414 dead transitions. [2021-03-26 03:49:41,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 414 transitions, 16280 flow [2021-03-26 03:49:41,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:41,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:41,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:41,068 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:41,068 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:41,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:41,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:41,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:41,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:41,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:41,069 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:41,069 INFO L185 Difference]: Start difference. First operand has 343 places, 410 transitions, 15384 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:41,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 414 transitions, 16280 flow [2021-03-26 03:49:41,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 414 transitions, 15972 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-03-26 03:49:41,530 INFO L241 Difference]: Finished difference. Result has 345 places, 408 transitions, 15292 flow [2021-03-26 03:49:41,530 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=15092, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15292, PETRI_PLACES=345, PETRI_TRANSITIONS=408} [2021-03-26 03:49:41,530 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 307 predicate places. [2021-03-26 03:49:41,530 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:41,531 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 345 places, 408 transitions, 15292 flow [2021-03-26 03:49:41,531 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 345 places, 408 transitions, 15292 flow [2021-03-26 03:49:41,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 344 places, 408 transitions, 15292 flow [2021-03-26 03:49:41,887 INFO L129 PetriNetUnfolder]: 157/2467 cut-off events. [2021-03-26 03:49:41,887 INFO L130 PetriNetUnfolder]: For 95285/95500 co-relation queries the response was YES. [2021-03-26 03:49:41,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17818 conditions, 2467 events. 157/2467 cut-off events. For 95285/95500 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 35308 event pairs, 0 based on Foata normal form. 0/2411 useless extension candidates. Maximal degree in co-relation 17692. Up to 314 conditions per place. [2021-03-26 03:49:41,940 INFO L142 LiptonReduction]: Number of co-enabled transitions 2716 [2021-03-26 03:49:41,967 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:41,967 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:41,967 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 437 [2021-03-26 03:49:41,968 INFO L480 AbstractCegarLoop]: Abstraction has has 344 places, 408 transitions, 15292 flow [2021-03-26 03:49:41,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:41,968 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:41,968 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:41,968 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-03-26 03:49:41,968 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:41,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:41,969 INFO L82 PathProgramCache]: Analyzing trace with hash 303998706, now seen corresponding path program 60 times [2021-03-26 03:49:41,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:41,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165850472] [2021-03-26 03:49:41,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:41,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:41,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:41,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:41,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:41,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:41,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:41,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:41,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:49:42,002 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:42,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:42,018 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:42,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:42,038 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:42,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:42,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:42,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165850472] [2021-03-26 03:49:42,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:42,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:42,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824190117] [2021-03-26 03:49:42,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:42,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:42,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:42,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:42,065 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:42,065 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 408 transitions, 15292 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:42,065 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:42,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:42,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:42,761 INFO L129 PetriNetUnfolder]: 226/2592 cut-off events. [2021-03-26 03:49:42,761 INFO L130 PetriNetUnfolder]: For 102043/102527 co-relation queries the response was YES. [2021-03-26 03:49:42,787 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20046 conditions, 2592 events. 226/2592 cut-off events. For 102043/102527 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 35915 event pairs, 69 based on Foata normal form. 25/2512 useless extension candidates. Maximal degree in co-relation 19919. Up to 436 conditions per place. [2021-03-26 03:49:42,792 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 249 selfloop transitions, 147 changer transitions 2/412 dead transitions. [2021-03-26 03:49:42,792 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 412 transitions, 16176 flow [2021-03-26 03:49:42,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:42,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:42,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:42,793 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:42,793 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:42,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:42,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:42,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:42,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:42,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:42,794 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:42,794 INFO L185 Difference]: Start difference. First operand has 344 places, 408 transitions, 15292 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:42,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 412 transitions, 16176 flow [2021-03-26 03:49:43,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 412 transitions, 15884 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 03:49:43,295 INFO L241 Difference]: Finished difference. Result has 347 places, 406 transitions, 15211 flow [2021-03-26 03:49:43,295 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=15008, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15211, PETRI_PLACES=347, PETRI_TRANSITIONS=406} [2021-03-26 03:49:43,295 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 309 predicate places. [2021-03-26 03:49:43,295 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:43,295 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 347 places, 406 transitions, 15211 flow [2021-03-26 03:49:43,296 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 347 places, 406 transitions, 15211 flow [2021-03-26 03:49:43,300 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 346 places, 406 transitions, 15211 flow [2021-03-26 03:49:43,655 INFO L129 PetriNetUnfolder]: 156/2457 cut-off events. [2021-03-26 03:49:43,655 INFO L130 PetriNetUnfolder]: For 95123/95338 co-relation queries the response was YES. [2021-03-26 03:49:43,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17765 conditions, 2457 events. 156/2457 cut-off events. For 95123/95338 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 35131 event pairs, 0 based on Foata normal form. 0/2401 useless extension candidates. Maximal degree in co-relation 17639. Up to 312 conditions per place. [2021-03-26 03:49:43,704 INFO L142 LiptonReduction]: Number of co-enabled transitions 2712 [2021-03-26 03:49:43,730 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:43,730 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:43,731 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 436 [2021-03-26 03:49:43,731 INFO L480 AbstractCegarLoop]: Abstraction has has 346 places, 406 transitions, 15211 flow [2021-03-26 03:49:43,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:43,731 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:43,731 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:43,731 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-03-26 03:49:43,731 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:43,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:43,731 INFO L82 PathProgramCache]: Analyzing trace with hash -666274416, now seen corresponding path program 61 times [2021-03-26 03:49:43,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:43,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838818642] [2021-03-26 03:49:43,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:43,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:43,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:43,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:43,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:43,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:43,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:43,753 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:43,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:43,774 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:49:43,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:49:43,802 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:43,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:43,823 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:43,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:43,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:43,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838818642] [2021-03-26 03:49:43,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:43,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:43,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620315222] [2021-03-26 03:49:43,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:43,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:43,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:43,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:43,845 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:43,845 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 406 transitions, 15211 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:43,845 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:43,845 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:43,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:44,572 INFO L129 PetriNetUnfolder]: 232/2720 cut-off events. [2021-03-26 03:49:44,572 INFO L130 PetriNetUnfolder]: For 106306/106788 co-relation queries the response was YES. [2021-03-26 03:49:44,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20862 conditions, 2720 events. 232/2720 cut-off events. For 106306/106788 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 38190 event pairs, 61 based on Foata normal form. 15/2634 useless extension candidates. Maximal degree in co-relation 20735. Up to 424 conditions per place. [2021-03-26 03:49:44,605 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 147 changer transitions 2/441 dead transitions. [2021-03-26 03:49:44,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 441 transitions, 17383 flow [2021-03-26 03:49:44,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:44,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:44,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:44,606 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:44,606 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:44,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:44,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:44,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:44,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:44,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:44,607 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:44,607 INFO L185 Difference]: Start difference. First operand has 346 places, 406 transitions, 15211 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:44,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 441 transitions, 17383 flow [2021-03-26 03:49:45,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 441 transitions, 17067 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 03:49:45,131 INFO L241 Difference]: Finished difference. Result has 353 places, 415 transitions, 15773 flow [2021-03-26 03:49:45,132 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14927, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15773, PETRI_PLACES=353, PETRI_TRANSITIONS=415} [2021-03-26 03:49:45,132 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 315 predicate places. [2021-03-26 03:49:45,132 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:45,132 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 353 places, 415 transitions, 15773 flow [2021-03-26 03:49:45,132 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 353 places, 415 transitions, 15773 flow [2021-03-26 03:49:45,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 352 places, 415 transitions, 15773 flow [2021-03-26 03:49:45,544 INFO L129 PetriNetUnfolder]: 168/2597 cut-off events. [2021-03-26 03:49:45,545 INFO L130 PetriNetUnfolder]: For 103780/103978 co-relation queries the response was YES. [2021-03-26 03:49:45,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18857 conditions, 2597 events. 168/2597 cut-off events. For 103780/103978 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 37461 event pairs, 0 based on Foata normal form. 1/2539 useless extension candidates. Maximal degree in co-relation 18727. Up to 336 conditions per place. [2021-03-26 03:49:45,594 INFO L142 LiptonReduction]: Number of co-enabled transitions 2794 [2021-03-26 03:49:45,622 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:45,622 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:45,622 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 490 [2021-03-26 03:49:45,622 INFO L480 AbstractCegarLoop]: Abstraction has has 352 places, 415 transitions, 15773 flow [2021-03-26 03:49:45,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:45,623 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:45,623 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:45,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-03-26 03:49:45,623 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:45,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:45,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1622614354, now seen corresponding path program 62 times [2021-03-26 03:49:45,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:45,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992929354] [2021-03-26 03:49:45,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:45,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:45,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:45,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:45,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:45,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:45,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:45,646 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:45,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:45,662 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:45,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:45,676 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:45,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:45,705 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:45,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:45,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:45,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992929354] [2021-03-26 03:49:45,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:45,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:45,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287770099] [2021-03-26 03:49:45,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:45,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:45,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:45,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:45,725 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:45,725 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 415 transitions, 15773 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:45,725 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:45,725 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:45,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:46,422 INFO L129 PetriNetUnfolder]: 231/2713 cut-off events. [2021-03-26 03:49:46,422 INFO L130 PetriNetUnfolder]: For 109957/110445 co-relation queries the response was YES. [2021-03-26 03:49:46,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20983 conditions, 2713 events. 231/2713 cut-off events. For 109957/110445 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 38095 event pairs, 53 based on Foata normal form. 18/2632 useless extension candidates. Maximal degree in co-relation 20852. Up to 435 conditions per place. [2021-03-26 03:49:46,456 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 291 selfloop transitions, 149 changer transitions 2/456 dead transitions. [2021-03-26 03:49:46,456 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 456 transitions, 18110 flow [2021-03-26 03:49:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:46,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:46,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:46,457 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:46,457 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:46,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:46,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:46,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:46,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:46,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:46,459 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:46,459 INFO L185 Difference]: Start difference. First operand has 352 places, 415 transitions, 15773 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:46,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 456 transitions, 18110 flow [2021-03-26 03:49:47,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 456 transitions, 17946 flow, removed 17 selfloop flow, removed 4 redundant places. [2021-03-26 03:49:47,025 INFO L241 Difference]: Finished difference. Result has 360 places, 435 transitions, 16841 flow [2021-03-26 03:49:47,025 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=15617, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16841, PETRI_PLACES=360, PETRI_TRANSITIONS=435} [2021-03-26 03:49:47,025 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 322 predicate places. [2021-03-26 03:49:47,026 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:47,026 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 360 places, 435 transitions, 16841 flow [2021-03-26 03:49:47,026 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 360 places, 435 transitions, 16841 flow [2021-03-26 03:49:47,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 359 places, 435 transitions, 16841 flow [2021-03-26 03:49:47,418 INFO L129 PetriNetUnfolder]: 167/2587 cut-off events. [2021-03-26 03:49:47,418 INFO L130 PetriNetUnfolder]: For 109017/109223 co-relation queries the response was YES. [2021-03-26 03:49:47,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19202 conditions, 2587 events. 167/2587 cut-off events. For 109017/109223 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37342 event pairs, 0 based on Foata normal form. 1/2529 useless extension candidates. Maximal degree in co-relation 19069. Up to 334 conditions per place. [2021-03-26 03:49:47,467 INFO L142 LiptonReduction]: Number of co-enabled transitions 3000 [2021-03-26 03:49:47,496 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:47,496 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:47,496 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 470 [2021-03-26 03:49:47,496 INFO L480 AbstractCegarLoop]: Abstraction has has 359 places, 435 transitions, 16841 flow [2021-03-26 03:49:47,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:47,497 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:47,497 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:47,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-03-26 03:49:47,497 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:47,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:47,497 INFO L82 PathProgramCache]: Analyzing trace with hash -22554488, now seen corresponding path program 63 times [2021-03-26 03:49:47,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:47,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452249528] [2021-03-26 03:49:47,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:47,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:47,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:47,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:47,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:47,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:47,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:47,527 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:49:47,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:49:47,539 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:49:47,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:49:47,568 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:49:47,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:49:47,591 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:47,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:47,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:47,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452249528] [2021-03-26 03:49:47,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:47,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:47,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732647140] [2021-03-26 03:49:47,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:47,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:47,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:47,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:47,611 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:47,611 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 435 transitions, 16841 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:47,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:47,612 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:47,612 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:48,418 INFO L129 PetriNetUnfolder]: 230/2703 cut-off events. [2021-03-26 03:49:48,419 INFO L130 PetriNetUnfolder]: For 115491/115993 co-relation queries the response was YES. [2021-03-26 03:49:48,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21341 conditions, 2703 events. 230/2703 cut-off events. For 115491/115993 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 37845 event pairs, 53 based on Foata normal form. 18/2615 useless extension candidates. Maximal degree in co-relation 21207. Up to 406 conditions per place. [2021-03-26 03:49:48,447 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 170 changer transitions 0/444 dead transitions. [2021-03-26 03:49:48,447 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 444 transitions, 18011 flow [2021-03-26 03:49:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:48,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:48,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:48,449 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:48,449 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:48,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:48,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:48,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:48,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:48,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:48,450 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:48,450 INFO L185 Difference]: Start difference. First operand has 359 places, 435 transitions, 16841 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:48,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 444 transitions, 18011 flow [2021-03-26 03:49:48,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 444 transitions, 17822 flow, removed 30 selfloop flow, removed 4 redundant places. [2021-03-26 03:49:49,004 INFO L241 Difference]: Finished difference. Result has 363 places, 435 transitions, 17003 flow [2021-03-26 03:49:49,004 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16660, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17003, PETRI_PLACES=363, PETRI_TRANSITIONS=435} [2021-03-26 03:49:49,004 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 325 predicate places. [2021-03-26 03:49:49,004 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:49,004 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 363 places, 435 transitions, 17003 flow [2021-03-26 03:49:49,004 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 363 places, 435 transitions, 17003 flow [2021-03-26 03:49:49,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 363 places, 435 transitions, 17003 flow [2021-03-26 03:49:49,398 INFO L129 PetriNetUnfolder]: 167/2586 cut-off events. [2021-03-26 03:49:49,398 INFO L130 PetriNetUnfolder]: For 109040/109246 co-relation queries the response was YES. [2021-03-26 03:49:49,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19385 conditions, 2586 events. 167/2586 cut-off events. For 109040/109246 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 37263 event pairs, 0 based on Foata normal form. 1/2531 useless extension candidates. Maximal degree in co-relation 19253. Up to 334 conditions per place. [2021-03-26 03:49:49,450 INFO L142 LiptonReduction]: Number of co-enabled transitions 3000 [2021-03-26 03:49:49,480 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:49,480 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:49,480 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 476 [2021-03-26 03:49:49,481 INFO L480 AbstractCegarLoop]: Abstraction has has 363 places, 435 transitions, 17003 flow [2021-03-26 03:49:49,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:49,481 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:49,481 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:49,481 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-03-26 03:49:49,481 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:49,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:49,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1207805122, now seen corresponding path program 64 times [2021-03-26 03:49:49,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:49,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939258492] [2021-03-26 03:49:49,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:49,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:49,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:49,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:49,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:49,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:49,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:49,503 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:49:49,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:49:49,514 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:49:49,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:49:49,538 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:49,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:49,562 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:49,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:49,588 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 03:49:49,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939258492] [2021-03-26 03:49:49,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:49,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:49,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735983246] [2021-03-26 03:49:49,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:49,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:49,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:49,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:49,589 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:49,589 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 435 transitions, 17003 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:49,589 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:49,589 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:49,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:50,370 INFO L129 PetriNetUnfolder]: 230/2702 cut-off events. [2021-03-26 03:49:50,370 INFO L130 PetriNetUnfolder]: For 115388/115890 co-relation queries the response was YES. [2021-03-26 03:49:50,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21533 conditions, 2702 events. 230/2702 cut-off events. For 115388/115890 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 37824 event pairs, 53 based on Foata normal form. 18/2614 useless extension candidates. Maximal degree in co-relation 21400. Up to 406 conditions per place. [2021-03-26 03:49:50,403 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 170 changer transitions 0/444 dead transitions. [2021-03-26 03:49:50,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 444 transitions, 18173 flow [2021-03-26 03:49:50,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:50,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:50,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:50,404 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:50,404 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:50,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:50,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:50,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:50,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:50,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:50,405 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:50,405 INFO L185 Difference]: Start difference. First operand has 363 places, 435 transitions, 17003 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:50,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 444 transitions, 18173 flow [2021-03-26 03:49:51,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 444 transitions, 17911 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-03-26 03:49:51,029 INFO L241 Difference]: Finished difference. Result has 368 places, 435 transitions, 17084 flow [2021-03-26 03:49:51,029 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16741, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17084, PETRI_PLACES=368, PETRI_TRANSITIONS=435} [2021-03-26 03:49:51,029 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 330 predicate places. [2021-03-26 03:49:51,029 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:51,029 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 368 places, 435 transitions, 17084 flow [2021-03-26 03:49:51,029 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 368 places, 435 transitions, 17084 flow [2021-03-26 03:49:51,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 368 places, 435 transitions, 17084 flow [2021-03-26 03:49:51,492 INFO L129 PetriNetUnfolder]: 167/2585 cut-off events. [2021-03-26 03:49:51,492 INFO L130 PetriNetUnfolder]: For 111346/111563 co-relation queries the response was YES. [2021-03-26 03:49:51,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19717 conditions, 2585 events. 167/2585 cut-off events. For 111346/111563 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 37190 event pairs, 0 based on Foata normal form. 2/2531 useless extension candidates. Maximal degree in co-relation 19584. Up to 334 conditions per place. [2021-03-26 03:49:51,552 INFO L142 LiptonReduction]: Number of co-enabled transitions 3000 [2021-03-26 03:49:51,580 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:51,581 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:51,581 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 552 [2021-03-26 03:49:51,581 INFO L480 AbstractCegarLoop]: Abstraction has has 368 places, 435 transitions, 17084 flow [2021-03-26 03:49:51,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:51,581 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:51,581 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:51,581 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-03-26 03:49:51,582 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:51,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:51,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1477731600, now seen corresponding path program 65 times [2021-03-26 03:49:51,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:51,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449021726] [2021-03-26 03:49:51,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:51,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:51,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:51,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:51,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:51,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:51,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:51,605 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:51,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:51,622 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:49:51,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:49:51,645 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:51,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:51,665 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:51,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:51,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:51,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449021726] [2021-03-26 03:49:51,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:51,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:51,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58441133] [2021-03-26 03:49:51,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:51,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:51,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:51,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:51,697 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:51,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 435 transitions, 17084 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:51,697 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:51,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:51,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:52,479 INFO L129 PetriNetUnfolder]: 230/2701 cut-off events. [2021-03-26 03:49:52,479 INFO L130 PetriNetUnfolder]: For 118183/118687 co-relation queries the response was YES. [2021-03-26 03:49:52,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21863 conditions, 2701 events. 230/2701 cut-off events. For 118183/118687 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 37855 event pairs, 53 based on Foata normal form. 19/2613 useless extension candidates. Maximal degree in co-relation 21729. Up to 435 conditions per place. [2021-03-26 03:49:52,511 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 289 selfloop transitions, 149 changer transitions 1/453 dead transitions. [2021-03-26 03:49:52,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 453 transitions, 18634 flow [2021-03-26 03:49:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:52,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:52,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:52,512 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:52,512 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:52,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:52,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:52,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:52,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:52,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:52,513 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:52,513 INFO L185 Difference]: Start difference. First operand has 368 places, 435 transitions, 17084 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:52,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 453 transitions, 18634 flow [2021-03-26 03:49:53,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 453 transitions, 18296 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-26 03:49:53,114 INFO L241 Difference]: Finished difference. Result has 372 places, 434 transitions, 17018 flow [2021-03-26 03:49:53,114 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16764, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17018, PETRI_PLACES=372, PETRI_TRANSITIONS=434} [2021-03-26 03:49:53,115 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 334 predicate places. [2021-03-26 03:49:53,115 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:53,115 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 372 places, 434 transitions, 17018 flow [2021-03-26 03:49:53,115 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 372 places, 434 transitions, 17018 flow [2021-03-26 03:49:53,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 371 places, 434 transitions, 17018 flow [2021-03-26 03:49:53,501 INFO L129 PetriNetUnfolder]: 166/2576 cut-off events. [2021-03-26 03:49:53,501 INFO L130 PetriNetUnfolder]: For 114093/114294 co-relation queries the response was YES. [2021-03-26 03:49:53,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19949 conditions, 2576 events. 166/2576 cut-off events. For 114093/114294 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 37148 event pairs, 0 based on Foata normal form. 0/2518 useless extension candidates. Maximal degree in co-relation 19815. Up to 332 conditions per place. [2021-03-26 03:49:53,548 INFO L142 LiptonReduction]: Number of co-enabled transitions 2998 [2021-03-26 03:49:53,577 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:53,577 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:53,577 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 462 [2021-03-26 03:49:53,578 INFO L480 AbstractCegarLoop]: Abstraction has has 371 places, 434 transitions, 17018 flow [2021-03-26 03:49:53,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:53,578 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:53,578 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:53,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-03-26 03:49:53,578 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:53,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:53,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1076348288, now seen corresponding path program 66 times [2021-03-26 03:49:53,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:53,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736909712] [2021-03-26 03:49:53,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:53,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:53,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:53,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:53,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:53,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:53,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:53,604 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:49:53,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:49:53,615 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:53,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:53,631 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:53,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:53,652 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:53,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:53,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736909712] [2021-03-26 03:49:53,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:53,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:53,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450556453] [2021-03-26 03:49:53,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:53,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:53,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:53,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:53,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:53,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 434 transitions, 17018 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:53,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:53,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:53,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:54,446 INFO L129 PetriNetUnfolder]: 229/2692 cut-off events. [2021-03-26 03:49:54,446 INFO L130 PetriNetUnfolder]: For 121099/121597 co-relation queries the response was YES. [2021-03-26 03:49:54,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22092 conditions, 2692 events. 229/2692 cut-off events. For 121099/121597 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37667 event pairs, 53 based on Foata normal form. 19/2604 useless extension candidates. Maximal degree in co-relation 21957. Up to 406 conditions per place. [2021-03-26 03:49:54,477 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 259 selfloop transitions, 170 changer transitions 0/443 dead transitions. [2021-03-26 03:49:54,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 443 transitions, 18202 flow [2021-03-26 03:49:54,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:54,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:54,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:54,479 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:54,479 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:54,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:54,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:54,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:54,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:54,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:54,480 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:54,480 INFO L185 Difference]: Start difference. First operand has 371 places, 434 transitions, 17018 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:54,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 443 transitions, 18202 flow [2021-03-26 03:49:55,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 443 transitions, 18068 flow, removed 24 selfloop flow, removed 3 redundant places. [2021-03-26 03:49:55,041 INFO L241 Difference]: Finished difference. Result has 377 places, 437 transitions, 17454 flow [2021-03-26 03:49:55,042 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16892, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17454, PETRI_PLACES=377, PETRI_TRANSITIONS=437} [2021-03-26 03:49:55,042 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 339 predicate places. [2021-03-26 03:49:55,042 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:55,042 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 437 transitions, 17454 flow [2021-03-26 03:49:55,042 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 437 transitions, 17454 flow [2021-03-26 03:49:55,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 377 places, 437 transitions, 17454 flow [2021-03-26 03:49:55,436 INFO L129 PetriNetUnfolder]: 166/2575 cut-off events. [2021-03-26 03:49:55,436 INFO L130 PetriNetUnfolder]: For 116383/116586 co-relation queries the response was YES. [2021-03-26 03:49:55,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20205 conditions, 2575 events. 166/2575 cut-off events. For 116383/116586 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 37085 event pairs, 0 based on Foata normal form. 0/2519 useless extension candidates. Maximal degree in co-relation 20071. Up to 332 conditions per place. [2021-03-26 03:49:55,486 INFO L142 LiptonReduction]: Number of co-enabled transitions 3040 [2021-03-26 03:49:55,516 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:55,516 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:55,516 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 474 [2021-03-26 03:49:55,516 INFO L480 AbstractCegarLoop]: Abstraction has has 377 places, 437 transitions, 17454 flow [2021-03-26 03:49:55,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:55,517 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:55,517 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:55,517 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-03-26 03:49:55,517 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:55,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:55,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1902461704, now seen corresponding path program 67 times [2021-03-26 03:49:55,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:55,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470851740] [2021-03-26 03:49:55,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:55,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:55,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:55,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:55,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:55,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:55,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:55,539 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:49:55,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:49:55,551 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:55,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:55,567 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:55,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:55,589 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:55,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:55,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:55,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470851740] [2021-03-26 03:49:55,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:55,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:55,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422076055] [2021-03-26 03:49:55,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:55,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:55,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:55,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:55,613 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:55,613 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 437 transitions, 17454 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:55,613 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:55,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:55,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:56,373 INFO L129 PetriNetUnfolder]: 229/2691 cut-off events. [2021-03-26 03:49:56,374 INFO L130 PetriNetUnfolder]: For 123712/124210 co-relation queries the response was YES. [2021-03-26 03:49:56,401 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22357 conditions, 2691 events. 229/2691 cut-off events. For 123712/124210 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37651 event pairs, 53 based on Foata normal form. 18/2603 useless extension candidates. Maximal degree in co-relation 22222. Up to 406 conditions per place. [2021-03-26 03:49:56,406 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 169 changer transitions 0/443 dead transitions. [2021-03-26 03:49:56,406 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 443 transitions, 18498 flow [2021-03-26 03:49:56,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:56,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:56,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:56,407 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:56,407 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:56,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:56,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:56,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:56,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:56,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:56,408 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:56,408 INFO L185 Difference]: Start difference. First operand has 377 places, 437 transitions, 17454 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:56,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 443 transitions, 18498 flow [2021-03-26 03:49:57,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 443 transitions, 18233 flow, removed 14 selfloop flow, removed 3 redundant places. [2021-03-26 03:49:57,026 INFO L241 Difference]: Finished difference. Result has 382 places, 437 transitions, 17530 flow [2021-03-26 03:49:57,027 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17189, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=169, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17530, PETRI_PLACES=382, PETRI_TRANSITIONS=437} [2021-03-26 03:49:57,027 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 344 predicate places. [2021-03-26 03:49:57,027 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:57,027 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 382 places, 437 transitions, 17530 flow [2021-03-26 03:49:57,027 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 382 places, 437 transitions, 17530 flow [2021-03-26 03:49:57,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 382 places, 437 transitions, 17530 flow [2021-03-26 03:49:57,471 INFO L129 PetriNetUnfolder]: 166/2574 cut-off events. [2021-03-26 03:49:57,471 INFO L130 PetriNetUnfolder]: For 119422/119625 co-relation queries the response was YES. [2021-03-26 03:49:57,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20520 conditions, 2574 events. 166/2574 cut-off events. For 119422/119625 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 37045 event pairs, 0 based on Foata normal form. 0/2517 useless extension candidates. Maximal degree in co-relation 20385. Up to 332 conditions per place. [2021-03-26 03:49:57,519 INFO L142 LiptonReduction]: Number of co-enabled transitions 3040 [2021-03-26 03:49:57,560 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:57,560 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:57,560 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 533 [2021-03-26 03:49:57,561 INFO L480 AbstractCegarLoop]: Abstraction has has 382 places, 437 transitions, 17530 flow [2021-03-26 03:49:57,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:57,561 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:57,561 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:57,561 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-03-26 03:49:57,561 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:57,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:57,561 INFO L82 PathProgramCache]: Analyzing trace with hash -2059821630, now seen corresponding path program 68 times [2021-03-26 03:49:57,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:57,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150571629] [2021-03-26 03:49:57,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:57,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:57,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:57,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:57,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:57,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:57,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:57,582 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:49:57,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:49:57,594 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:49:57,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:49:57,612 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:57,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:57,630 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:57,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:57,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:57,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150571629] [2021-03-26 03:49:57,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:57,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:57,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885631169] [2021-03-26 03:49:57,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:57,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:57,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:57,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:57,652 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:57,652 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 437 transitions, 17530 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:57,652 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:57,652 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:57,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:58,391 INFO L129 PetriNetUnfolder]: 229/2690 cut-off events. [2021-03-26 03:49:58,391 INFO L130 PetriNetUnfolder]: For 126698/127196 co-relation queries the response was YES. [2021-03-26 03:49:58,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22670 conditions, 2690 events. 229/2690 cut-off events. For 126698/127196 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37601 event pairs, 53 based on Foata normal form. 18/2601 useless extension candidates. Maximal degree in co-relation 22534. Up to 406 conditions per place. [2021-03-26 03:49:58,425 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 250 selfloop transitions, 165 changer transitions 14/443 dead transitions. [2021-03-26 03:49:58,425 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 443 transitions, 18582 flow [2021-03-26 03:49:58,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:49:58,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:49:58,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:49:58,426 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:49:58,426 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:49:58,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:49:58,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:58,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:49:58,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:58,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:58,427 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:58,427 INFO L185 Difference]: Start difference. First operand has 382 places, 437 transitions, 17530 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:49:58,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 443 transitions, 18582 flow [2021-03-26 03:49:59,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 443 transitions, 18272 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 03:49:59,095 INFO L241 Difference]: Finished difference. Result has 386 places, 423 transitions, 16831 flow [2021-03-26 03:49:59,095 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17220, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16831, PETRI_PLACES=386, PETRI_TRANSITIONS=423} [2021-03-26 03:49:59,095 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 348 predicate places. [2021-03-26 03:49:59,096 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:59,096 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 386 places, 423 transitions, 16831 flow [2021-03-26 03:49:59,096 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 386 places, 423 transitions, 16831 flow [2021-03-26 03:49:59,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 380 places, 423 transitions, 16831 flow [2021-03-26 03:49:59,484 INFO L129 PetriNetUnfolder]: 165/2532 cut-off events. [2021-03-26 03:49:59,484 INFO L130 PetriNetUnfolder]: For 119520/119723 co-relation queries the response was YES. [2021-03-26 03:49:59,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20342 conditions, 2532 events. 165/2532 cut-off events. For 119520/119723 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 36308 event pairs, 0 based on Foata normal form. 0/2479 useless extension candidates. Maximal degree in co-relation 20206. Up to 330 conditions per place. [2021-03-26 03:49:59,533 INFO L142 LiptonReduction]: Number of co-enabled transitions 2896 [2021-03-26 03:49:59,561 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:59,561 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:59,561 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 465 [2021-03-26 03:49:59,562 INFO L480 AbstractCegarLoop]: Abstraction has has 380 places, 423 transitions, 16831 flow [2021-03-26 03:49:59,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:59,562 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:59,562 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:59,562 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-03-26 03:49:59,562 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:59,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:59,562 INFO L82 PathProgramCache]: Analyzing trace with hash 222700006, now seen corresponding path program 69 times [2021-03-26 03:49:59,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:59,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376386658] [2021-03-26 03:49:59,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:59,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:59,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:59,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:59,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:59,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:59,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:59,596 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:59,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:59,618 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:49:59,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:49:59,645 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:49:59,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:49:59,669 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:49:59,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:59,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:59,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376386658] [2021-03-26 03:49:59,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:59,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:49:59,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591716894] [2021-03-26 03:49:59,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:49:59,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:59,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:49:59,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:49:59,694 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:49:59,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 423 transitions, 16831 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:59,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:59,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:49:59,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:00,502 INFO L129 PetriNetUnfolder]: 228/2648 cut-off events. [2021-03-26 03:50:00,502 INFO L130 PetriNetUnfolder]: For 127173/127668 co-relation queries the response was YES. [2021-03-26 03:50:00,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22474 conditions, 2648 events. 228/2648 cut-off events. For 127173/127668 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 36878 event pairs, 53 based on Foata normal form. 18/2562 useless extension candidates. Maximal degree in co-relation 22337. Up to 406 conditions per place. [2021-03-26 03:50:00,532 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 268 selfloop transitions, 144 changer transitions 3/429 dead transitions. [2021-03-26 03:50:00,532 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 429 transitions, 17863 flow [2021-03-26 03:50:00,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:00,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:00,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:00,533 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:00,533 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:00,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:00,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:00,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:00,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:00,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:00,534 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:00,534 INFO L185 Difference]: Start difference. First operand has 380 places, 423 transitions, 16831 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:00,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 429 transitions, 17863 flow [2021-03-26 03:50:01,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 429 transitions, 17403 flow, removed 31 selfloop flow, removed 11 redundant places. [2021-03-26 03:50:01,124 INFO L241 Difference]: Finished difference. Result has 377 places, 420 transitions, 16574 flow [2021-03-26 03:50:01,124 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16419, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16574, PETRI_PLACES=377, PETRI_TRANSITIONS=420} [2021-03-26 03:50:01,124 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 339 predicate places. [2021-03-26 03:50:01,124 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:01,124 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 420 transitions, 16574 flow [2021-03-26 03:50:01,124 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 420 transitions, 16574 flow [2021-03-26 03:50:01,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 376 places, 420 transitions, 16574 flow [2021-03-26 03:50:01,503 INFO L129 PetriNetUnfolder]: 164/2520 cut-off events. [2021-03-26 03:50:01,503 INFO L130 PetriNetUnfolder]: For 102003/102203 co-relation queries the response was YES. [2021-03-26 03:50:01,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18903 conditions, 2520 events. 164/2520 cut-off events. For 102003/102203 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36144 event pairs, 0 based on Foata normal form. 0/2466 useless extension candidates. Maximal degree in co-relation 18772. Up to 328 conditions per place. [2021-03-26 03:50:01,554 INFO L142 LiptonReduction]: Number of co-enabled transitions 2874 [2021-03-26 03:50:01,582 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:01,582 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:01,582 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 458 [2021-03-26 03:50:01,583 INFO L480 AbstractCegarLoop]: Abstraction has has 376 places, 420 transitions, 16574 flow [2021-03-26 03:50:01,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:01,583 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:01,583 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:01,583 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-03-26 03:50:01,583 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:01,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:01,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1799376378, now seen corresponding path program 70 times [2021-03-26 03:50:01,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:01,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939537051] [2021-03-26 03:50:01,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:01,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:01,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:01,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:01,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:01,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:01,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:01,604 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:01,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:01,634 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:50:01,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:50:01,653 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:01,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:01,676 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:01,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:01,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939537051] [2021-03-26 03:50:01,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:01,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:01,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124271346] [2021-03-26 03:50:01,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:01,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:01,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:01,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:01,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:01,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 420 transitions, 16574 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:01,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:01,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:01,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:02,432 INFO L129 PetriNetUnfolder]: 227/2636 cut-off events. [2021-03-26 03:50:02,432 INFO L130 PetriNetUnfolder]: For 108801/109296 co-relation queries the response was YES. [2021-03-26 03:50:02,459 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21035 conditions, 2636 events. 227/2636 cut-off events. For 108801/109296 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 36638 event pairs, 53 based on Foata normal form. 19/2551 useless extension candidates. Maximal degree in co-relation 20903. Up to 406 conditions per place. [2021-03-26 03:50:02,464 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 152 changer transitions 0/426 dead transitions. [2021-03-26 03:50:02,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 426 transitions, 17560 flow [2021-03-26 03:50:02,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:02,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:02,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:02,465 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:02,465 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:02,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:02,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:02,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:02,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:02,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:02,467 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:02,467 INFO L185 Difference]: Start difference. First operand has 376 places, 420 transitions, 16574 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:02,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 426 transitions, 17560 flow [2021-03-26 03:50:03,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 426 transitions, 17403 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-03-26 03:50:03,065 INFO L241 Difference]: Finished difference. Result has 380 places, 420 transitions, 16732 flow [2021-03-26 03:50:03,065 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16425, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16732, PETRI_PLACES=380, PETRI_TRANSITIONS=420} [2021-03-26 03:50:03,065 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 342 predicate places. [2021-03-26 03:50:03,065 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:03,066 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 380 places, 420 transitions, 16732 flow [2021-03-26 03:50:03,066 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 380 places, 420 transitions, 16732 flow [2021-03-26 03:50:03,071 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 380 places, 420 transitions, 16732 flow [2021-03-26 03:50:03,443 INFO L129 PetriNetUnfolder]: 164/2519 cut-off events. [2021-03-26 03:50:03,444 INFO L130 PetriNetUnfolder]: For 102711/102910 co-relation queries the response was YES. [2021-03-26 03:50:03,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19123 conditions, 2519 events. 164/2519 cut-off events. For 102711/102910 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36066 event pairs, 0 based on Foata normal form. 0/2466 useless extension candidates. Maximal degree in co-relation 18993. Up to 328 conditions per place. [2021-03-26 03:50:03,493 INFO L142 LiptonReduction]: Number of co-enabled transitions 2874 [2021-03-26 03:50:03,594 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:03,595 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:03,595 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 530 [2021-03-26 03:50:03,595 INFO L480 AbstractCegarLoop]: Abstraction has has 380 places, 420 transitions, 16732 flow [2021-03-26 03:50:03,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:03,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:03,595 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:03,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-03-26 03:50:03,595 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:03,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:03,596 INFO L82 PathProgramCache]: Analyzing trace with hash -259402748, now seen corresponding path program 71 times [2021-03-26 03:50:03,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:03,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623447868] [2021-03-26 03:50:03,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:03,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:03,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:03,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:03,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:03,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:03,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:03,619 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:03,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:03,638 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:50:03,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:50:03,654 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:50:03,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:50:03,674 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:03,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:03,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623447868] [2021-03-26 03:50:03,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:03,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:03,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552727775] [2021-03-26 03:50:03,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:03,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:03,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:03,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:03,694 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:03,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 420 transitions, 16732 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:03,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:03,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:03,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:04,386 INFO L129 PetriNetUnfolder]: 227/2635 cut-off events. [2021-03-26 03:50:04,386 INFO L130 PetriNetUnfolder]: For 109137/109632 co-relation queries the response was YES. [2021-03-26 03:50:04,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21264 conditions, 2635 events. 227/2635 cut-off events. For 109137/109632 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 36660 event pairs, 53 based on Foata normal form. 19/2551 useless extension candidates. Maximal degree in co-relation 21133. Up to 406 conditions per place. [2021-03-26 03:50:04,419 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 148 changer transitions 4/426 dead transitions. [2021-03-26 03:50:04,419 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 426 transitions, 17718 flow [2021-03-26 03:50:04,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:04,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:04,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:04,420 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:04,420 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:04,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:04,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:04,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:04,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:04,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:04,421 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:04,421 INFO L185 Difference]: Start difference. First operand has 380 places, 420 transitions, 16732 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:04,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 426 transitions, 17718 flow [2021-03-26 03:50:05,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 426 transitions, 17391 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-26 03:50:05,017 INFO L241 Difference]: Finished difference. Result has 383 places, 416 transitions, 16482 flow [2021-03-26 03:50:05,017 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16405, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=148, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16482, PETRI_PLACES=383, PETRI_TRANSITIONS=416} [2021-03-26 03:50:05,017 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 345 predicate places. [2021-03-26 03:50:05,018 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:05,018 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 383 places, 416 transitions, 16482 flow [2021-03-26 03:50:05,018 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 383 places, 416 transitions, 16482 flow [2021-03-26 03:50:05,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 381 places, 416 transitions, 16482 flow [2021-03-26 03:50:05,402 INFO L129 PetriNetUnfolder]: 163/2504 cut-off events. [2021-03-26 03:50:05,402 INFO L130 PetriNetUnfolder]: For 102036/102236 co-relation queries the response was YES. [2021-03-26 03:50:05,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19267 conditions, 2504 events. 163/2504 cut-off events. For 102036/102236 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 35740 event pairs, 0 based on Foata normal form. 0/2450 useless extension candidates. Maximal degree in co-relation 19138. Up to 326 conditions per place. [2021-03-26 03:50:05,451 INFO L142 LiptonReduction]: Number of co-enabled transitions 2828 [2021-03-26 03:50:05,479 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:05,479 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:05,479 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 461 [2021-03-26 03:50:05,480 INFO L480 AbstractCegarLoop]: Abstraction has has 381 places, 416 transitions, 16482 flow [2021-03-26 03:50:05,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:05,480 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:05,480 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:05,480 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-03-26 03:50:05,480 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:05,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:05,480 INFO L82 PathProgramCache]: Analyzing trace with hash 190516096, now seen corresponding path program 72 times [2021-03-26 03:50:05,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:05,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596593155] [2021-03-26 03:50:05,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:05,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:05,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:05,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:05,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:05,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:05,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:05,505 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:05,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:05,526 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 03:50:05,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:50:05,553 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:05,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:05,575 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:05,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:05,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:05,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596593155] [2021-03-26 03:50:05,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:05,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:05,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641259300] [2021-03-26 03:50:05,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:05,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:05,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:05,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:05,597 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:05,597 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 416 transitions, 16482 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:05,597 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:05,597 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:05,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:06,347 INFO L129 PetriNetUnfolder]: 226/2620 cut-off events. [2021-03-26 03:50:06,348 INFO L130 PetriNetUnfolder]: For 109010/109503 co-relation queries the response was YES. [2021-03-26 03:50:06,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21401 conditions, 2620 events. 226/2620 cut-off events. For 109010/109503 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 36367 event pairs, 53 based on Foata normal form. 18/2536 useless extension candidates. Maximal degree in co-relation 21271. Up to 406 conditions per place. [2021-03-26 03:50:06,381 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 262 selfloop transitions, 144 changer transitions 2/422 dead transitions. [2021-03-26 03:50:06,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 422 transitions, 17468 flow [2021-03-26 03:50:06,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:06,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:06,382 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:06,382 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:06,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:06,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:06,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:06,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:06,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:06,383 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:06,383 INFO L185 Difference]: Start difference. First operand has 381 places, 416 transitions, 16482 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:06,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 422 transitions, 17468 flow [2021-03-26 03:50:07,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 422 transitions, 17228 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-26 03:50:07,074 INFO L241 Difference]: Finished difference. Result has 385 places, 415 transitions, 16535 flow [2021-03-26 03:50:07,074 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16258, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16535, PETRI_PLACES=385, PETRI_TRANSITIONS=415} [2021-03-26 03:50:07,074 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 347 predicate places. [2021-03-26 03:50:07,074 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:07,074 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 385 places, 415 transitions, 16535 flow [2021-03-26 03:50:07,075 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 385 places, 415 transitions, 16535 flow [2021-03-26 03:50:07,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 384 places, 415 transitions, 16535 flow [2021-03-26 03:50:07,447 INFO L129 PetriNetUnfolder]: 162/2494 cut-off events. [2021-03-26 03:50:07,447 INFO L130 PetriNetUnfolder]: For 100838/101038 co-relation queries the response was YES. [2021-03-26 03:50:07,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19048 conditions, 2494 events. 162/2494 cut-off events. For 100838/101038 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 35585 event pairs, 0 based on Foata normal form. 0/2442 useless extension candidates. Maximal degree in co-relation 18919. Up to 324 conditions per place. [2021-03-26 03:50:07,495 INFO L142 LiptonReduction]: Number of co-enabled transitions 2828 [2021-03-26 03:50:07,522 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:07,522 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:07,522 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 448 [2021-03-26 03:50:07,523 INFO L480 AbstractCegarLoop]: Abstraction has has 384 places, 415 transitions, 16535 flow [2021-03-26 03:50:07,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:07,523 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:07,523 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:07,523 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-03-26 03:50:07,523 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:07,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:07,523 INFO L82 PathProgramCache]: Analyzing trace with hash -775394714, now seen corresponding path program 73 times [2021-03-26 03:50:07,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:07,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298096356] [2021-03-26 03:50:07,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:07,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:07,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:07,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:07,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:07,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:07,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:07,545 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:07,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:07,565 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 03:50:07,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:50:07,589 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:07,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:07,608 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:07,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:07,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298096356] [2021-03-26 03:50:07,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:07,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:07,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079390838] [2021-03-26 03:50:07,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:07,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:07,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:07,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:07,626 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:07,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 415 transitions, 16535 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:07,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:07,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:07,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:08,342 INFO L129 PetriNetUnfolder]: 225/2610 cut-off events. [2021-03-26 03:50:08,342 INFO L130 PetriNetUnfolder]: For 107478/107973 co-relation queries the response was YES. [2021-03-26 03:50:08,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21180 conditions, 2610 events. 225/2610 cut-off events. For 107478/107973 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 36190 event pairs, 53 based on Foata normal form. 19/2526 useless extension candidates. Maximal degree in co-relation 21050. Up to 406 conditions per place. [2021-03-26 03:50:08,375 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 261 selfloop transitions, 143 changer transitions 2/420 dead transitions. [2021-03-26 03:50:08,376 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 420 transitions, 17465 flow [2021-03-26 03:50:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:08,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:08,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:08,376 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:08,377 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:08,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:08,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:08,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:08,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:08,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:08,378 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:08,378 INFO L185 Difference]: Start difference. First operand has 384 places, 415 transitions, 16535 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:08,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 420 transitions, 17465 flow [2021-03-26 03:50:08,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 420 transitions, 17229 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-26 03:50:08,973 INFO L241 Difference]: Finished difference. Result has 388 places, 413 transitions, 16488 flow [2021-03-26 03:50:08,973 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16307, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16488, PETRI_PLACES=388, PETRI_TRANSITIONS=413} [2021-03-26 03:50:08,973 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 350 predicate places. [2021-03-26 03:50:08,973 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:08,974 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 388 places, 413 transitions, 16488 flow [2021-03-26 03:50:08,974 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 388 places, 413 transitions, 16488 flow [2021-03-26 03:50:08,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 387 places, 413 transitions, 16488 flow [2021-03-26 03:50:09,349 INFO L129 PetriNetUnfolder]: 161/2484 cut-off events. [2021-03-26 03:50:09,349 INFO L130 PetriNetUnfolder]: For 100571/100771 co-relation queries the response was YES. [2021-03-26 03:50:09,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19048 conditions, 2484 events. 161/2484 cut-off events. For 100571/100771 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 35456 event pairs, 0 based on Foata normal form. 0/2432 useless extension candidates. Maximal degree in co-relation 18919. Up to 322 conditions per place. [2021-03-26 03:50:09,398 INFO L142 LiptonReduction]: Number of co-enabled transitions 2824 [2021-03-26 03:50:09,425 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:09,425 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:09,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 452 [2021-03-26 03:50:09,426 INFO L480 AbstractCegarLoop]: Abstraction has has 387 places, 413 transitions, 16488 flow [2021-03-26 03:50:09,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:09,426 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:09,426 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:09,426 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-03-26 03:50:09,426 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:09,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:09,426 INFO L82 PathProgramCache]: Analyzing trace with hash -323408046, now seen corresponding path program 74 times [2021-03-26 03:50:09,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:09,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065697074] [2021-03-26 03:50:09,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:09,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:09,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:09,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:09,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:09,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:09,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:09,456 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:09,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:09,476 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:50:09,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:50:09,503 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:50:09,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:50:09,526 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:09,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:09,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:09,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065697074] [2021-03-26 03:50:09,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:09,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:09,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884025554] [2021-03-26 03:50:09,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:09,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:09,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:09,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:09,548 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:09,548 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 413 transitions, 16488 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:09,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:09,548 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:09,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:10,341 INFO L129 PetriNetUnfolder]: 224/2600 cut-off events. [2021-03-26 03:50:10,342 INFO L130 PetriNetUnfolder]: For 106882/107377 co-relation queries the response was YES. [2021-03-26 03:50:10,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21177 conditions, 2600 events. 224/2600 cut-off events. For 106882/107377 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 36049 event pairs, 53 based on Foata normal form. 19/2516 useless extension candidates. Maximal degree in co-relation 21047. Up to 427 conditions per place. [2021-03-26 03:50:10,373 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 272 selfloop transitions, 141 changer transitions 0/427 dead transitions. [2021-03-26 03:50:10,373 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 427 transitions, 17792 flow [2021-03-26 03:50:10,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:10,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:10,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:10,374 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:10,374 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:10,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:10,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:10,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:10,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:10,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:10,375 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:10,375 INFO L185 Difference]: Start difference. First operand has 387 places, 413 transitions, 16488 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:10,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 427 transitions, 17792 flow [2021-03-26 03:50:10,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 427 transitions, 17416 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-26 03:50:10,943 INFO L241 Difference]: Finished difference. Result has 390 places, 422 transitions, 16829 flow [2021-03-26 03:50:10,943 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16120, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16829, PETRI_PLACES=390, PETRI_TRANSITIONS=422} [2021-03-26 03:50:10,944 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 352 predicate places. [2021-03-26 03:50:10,944 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:10,944 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 390 places, 422 transitions, 16829 flow [2021-03-26 03:50:10,944 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 390 places, 422 transitions, 16829 flow [2021-03-26 03:50:10,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 390 places, 422 transitions, 16829 flow [2021-03-26 03:50:11,329 INFO L129 PetriNetUnfolder]: 161/2483 cut-off events. [2021-03-26 03:50:11,329 INFO L130 PetriNetUnfolder]: For 100394/100593 co-relation queries the response was YES. [2021-03-26 03:50:11,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18920 conditions, 2483 events. 161/2483 cut-off events. For 100394/100593 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 35431 event pairs, 0 based on Foata normal form. 0/2430 useless extension candidates. Maximal degree in co-relation 18790. Up to 322 conditions per place. [2021-03-26 03:50:11,380 INFO L142 LiptonReduction]: Number of co-enabled transitions 2848 [2021-03-26 03:50:11,408 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:11,409 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:11,409 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 465 [2021-03-26 03:50:11,409 INFO L480 AbstractCegarLoop]: Abstraction has has 390 places, 422 transitions, 16829 flow [2021-03-26 03:50:11,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:11,409 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:11,409 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:11,409 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-03-26 03:50:11,409 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:11,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:11,410 INFO L82 PathProgramCache]: Analyzing trace with hash 723540934, now seen corresponding path program 75 times [2021-03-26 03:50:11,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:11,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469752889] [2021-03-26 03:50:11,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:11,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:11,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:11,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:11,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:11,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:11,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:11,431 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:11,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:11,447 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:50:11,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:50:11,469 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:50:11,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:50:11,492 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:11,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:11,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:11,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469752889] [2021-03-26 03:50:11,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:11,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:11,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710273190] [2021-03-26 03:50:11,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:11,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:11,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:11,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:11,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:11,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 422 transitions, 16829 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:11,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:11,512 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:11,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:12,219 INFO L129 PetriNetUnfolder]: 224/2599 cut-off events. [2021-03-26 03:50:12,220 INFO L130 PetriNetUnfolder]: For 107192/107687 co-relation queries the response was YES. [2021-03-26 03:50:12,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21038 conditions, 2599 events. 224/2599 cut-off events. For 107192/107687 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 36034 event pairs, 53 based on Foata normal form. 19/2515 useless extension candidates. Maximal degree in co-relation 20907. Up to 427 conditions per place. [2021-03-26 03:50:12,251 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 276 selfloop transitions, 135 changer transitions 2/427 dead transitions. [2021-03-26 03:50:12,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 427 transitions, 17773 flow [2021-03-26 03:50:12,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:12,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:12,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:12,252 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:12,252 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:12,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:12,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:12,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:12,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:12,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:12,253 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:12,253 INFO L185 Difference]: Start difference. First operand has 390 places, 422 transitions, 16829 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:12,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 427 transitions, 17773 flow [2021-03-26 03:50:12,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 427 transitions, 17549 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 03:50:12,840 INFO L241 Difference]: Finished difference. Result has 395 places, 420 transitions, 16780 flow [2021-03-26 03:50:12,841 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16605, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16780, PETRI_PLACES=395, PETRI_TRANSITIONS=420} [2021-03-26 03:50:12,841 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 357 predicate places. [2021-03-26 03:50:12,841 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:12,841 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 395 places, 420 transitions, 16780 flow [2021-03-26 03:50:12,841 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 395 places, 420 transitions, 16780 flow [2021-03-26 03:50:12,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 394 places, 420 transitions, 16780 flow [2021-03-26 03:50:13,259 INFO L129 PetriNetUnfolder]: 160/2473 cut-off events. [2021-03-26 03:50:13,259 INFO L130 PetriNetUnfolder]: For 102657/102857 co-relation queries the response was YES. [2021-03-26 03:50:13,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19166 conditions, 2473 events. 160/2473 cut-off events. For 102657/102857 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 35301 event pairs, 0 based on Foata normal form. 0/2421 useless extension candidates. Maximal degree in co-relation 19035. Up to 320 conditions per place. [2021-03-26 03:50:13,301 INFO L142 LiptonReduction]: Number of co-enabled transitions 2830 [2021-03-26 03:50:13,328 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:13,328 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:13,328 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 487 [2021-03-26 03:50:13,328 INFO L480 AbstractCegarLoop]: Abstraction has has 394 places, 420 transitions, 16780 flow [2021-03-26 03:50:13,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:13,329 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:13,329 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:13,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-03-26 03:50:13,329 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:13,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:13,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1524776512, now seen corresponding path program 76 times [2021-03-26 03:50:13,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:13,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991915892] [2021-03-26 03:50:13,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:13,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:13,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:13,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:13,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:13,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:13,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:13,350 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:13,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:13,368 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:50:13,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:50:13,385 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:13,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:13,407 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:13,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:13,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:13,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991915892] [2021-03-26 03:50:13,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:13,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:13,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315028716] [2021-03-26 03:50:13,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:13,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:13,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:13,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:13,429 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:13,429 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 420 transitions, 16780 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:13,430 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:13,430 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:13,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:14,125 INFO L129 PetriNetUnfolder]: 223/2589 cut-off events. [2021-03-26 03:50:14,126 INFO L130 PetriNetUnfolder]: For 109395/109888 co-relation queries the response was YES. [2021-03-26 03:50:14,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21280 conditions, 2589 events. 223/2589 cut-off events. For 109395/109888 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 35887 event pairs, 53 based on Foata normal form. 18/2504 useless extension candidates. Maximal degree in co-relation 21148. Up to 427 conditions per place. [2021-03-26 03:50:14,157 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 279 selfloop transitions, 132 changer transitions 1/426 dead transitions. [2021-03-26 03:50:14,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 426 transitions, 17772 flow [2021-03-26 03:50:14,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:14,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:14,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:14,158 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:14,158 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:14,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:14,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:14,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:14,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:14,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:14,159 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:14,159 INFO L185 Difference]: Start difference. First operand has 394 places, 420 transitions, 16780 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:14,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 426 transitions, 17772 flow [2021-03-26 03:50:14,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 426 transitions, 17501 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-26 03:50:14,732 INFO L241 Difference]: Finished difference. Result has 398 places, 420 transitions, 16787 flow [2021-03-26 03:50:14,733 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16518, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16787, PETRI_PLACES=398, PETRI_TRANSITIONS=420} [2021-03-26 03:50:14,733 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 360 predicate places. [2021-03-26 03:50:14,733 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:14,733 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 420 transitions, 16787 flow [2021-03-26 03:50:14,733 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 420 transitions, 16787 flow [2021-03-26 03:50:14,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 397 places, 420 transitions, 16787 flow [2021-03-26 03:50:15,093 INFO L129 PetriNetUnfolder]: 159/2464 cut-off events. [2021-03-26 03:50:15,093 INFO L130 PetriNetUnfolder]: For 102662/102862 co-relation queries the response was YES. [2021-03-26 03:50:15,117 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19140 conditions, 2464 events. 159/2464 cut-off events. For 102662/102862 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 35111 event pairs, 0 based on Foata normal form. 0/2412 useless extension candidates. Maximal degree in co-relation 19008. Up to 318 conditions per place. [2021-03-26 03:50:15,140 INFO L142 LiptonReduction]: Number of co-enabled transitions 2836 [2021-03-26 03:50:15,168 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:15,168 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:15,168 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 435 [2021-03-26 03:50:15,168 INFO L480 AbstractCegarLoop]: Abstraction has has 397 places, 420 transitions, 16787 flow [2021-03-26 03:50:15,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:15,169 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:15,169 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:15,169 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-03-26 03:50:15,169 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:15,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:15,169 INFO L82 PathProgramCache]: Analyzing trace with hash 946021150, now seen corresponding path program 77 times [2021-03-26 03:50:15,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:15,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677461297] [2021-03-26 03:50:15,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:15,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:15,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:15,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:15,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:15,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:15,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:15,204 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:15,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:15,226 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:50:15,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:50:15,258 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:15,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:15,283 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:15,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:15,307 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 03:50:15,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677461297] [2021-03-26 03:50:15,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:15,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:15,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092046046] [2021-03-26 03:50:15,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:15,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:15,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:15,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:15,309 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:15,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 420 transitions, 16787 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:15,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:15,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:15,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:16,148 INFO L129 PetriNetUnfolder]: 222/2580 cut-off events. [2021-03-26 03:50:16,148 INFO L130 PetriNetUnfolder]: For 109360/109853 co-relation queries the response was YES. [2021-03-26 03:50:16,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21252 conditions, 2580 events. 222/2580 cut-off events. For 109360/109853 co-relation queries the response was YES. Maximal size of possible extension queue 455. Compared 35695 event pairs, 53 based on Foata normal form. 18/2495 useless extension candidates. Maximal degree in co-relation 21119. Up to 427 conditions per place. [2021-03-26 03:50:16,180 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 273 selfloop transitions, 134 changer transitions 4/425 dead transitions. [2021-03-26 03:50:16,180 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 425 transitions, 17735 flow [2021-03-26 03:50:16,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:16,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:16,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:16,181 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:16,181 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:16,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:16,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:16,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:16,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:16,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:16,182 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:16,182 INFO L185 Difference]: Start difference. First operand has 397 places, 420 transitions, 16787 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:16,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 425 transitions, 17735 flow [2021-03-26 03:50:16,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 425 transitions, 17473 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 03:50:16,791 INFO L241 Difference]: Finished difference. Result has 400 places, 416 transitions, 16595 flow [2021-03-26 03:50:16,792 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16533, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16595, PETRI_PLACES=400, PETRI_TRANSITIONS=416} [2021-03-26 03:50:16,792 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 362 predicate places. [2021-03-26 03:50:16,792 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:16,792 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 400 places, 416 transitions, 16595 flow [2021-03-26 03:50:16,792 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 400 places, 416 transitions, 16595 flow [2021-03-26 03:50:16,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 398 places, 416 transitions, 16595 flow [2021-03-26 03:50:17,222 INFO L129 PetriNetUnfolder]: 158/2447 cut-off events. [2021-03-26 03:50:17,222 INFO L130 PetriNetUnfolder]: For 101467/101667 co-relation queries the response was YES. [2021-03-26 03:50:17,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18994 conditions, 2447 events. 158/2447 cut-off events. For 101467/101667 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 34827 event pairs, 0 based on Foata normal form. 0/2395 useless extension candidates. Maximal degree in co-relation 18862. Up to 316 conditions per place. [2021-03-26 03:50:17,268 INFO L142 LiptonReduction]: Number of co-enabled transitions 2800 [2021-03-26 03:50:17,296 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:17,297 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:17,297 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 505 [2021-03-26 03:50:17,297 INFO L480 AbstractCegarLoop]: Abstraction has has 398 places, 416 transitions, 16595 flow [2021-03-26 03:50:17,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:17,297 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:17,297 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:17,297 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-03-26 03:50:17,297 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:17,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:17,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1610800874, now seen corresponding path program 78 times [2021-03-26 03:50:17,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:17,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168165638] [2021-03-26 03:50:17,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:17,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:17,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:17,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:17,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:17,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:17,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:17,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:17,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:50:17,329 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 03:50:17,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:50:17,353 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:17,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:17,374 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:17,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:17,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168165638] [2021-03-26 03:50:17,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:17,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:17,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400125512] [2021-03-26 03:50:17,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:17,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:17,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:17,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:17,394 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:17,394 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 416 transitions, 16595 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:17,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:17,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:17,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:18,141 INFO L129 PetriNetUnfolder]: 224/2727 cut-off events. [2021-03-26 03:50:18,141 INFO L130 PetriNetUnfolder]: For 114617/115112 co-relation queries the response was YES. [2021-03-26 03:50:18,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22288 conditions, 2727 events. 224/2727 cut-off events. For 114617/115112 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 38368 event pairs, 53 based on Foata normal form. 16/2640 useless extension candidates. Maximal degree in co-relation 22155. Up to 428 conditions per place. [2021-03-26 03:50:18,175 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 327 selfloop transitions, 132 changer transitions 2/475 dead transitions. [2021-03-26 03:50:18,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 475 transitions, 20031 flow [2021-03-26 03:50:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:18,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:18,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:18,176 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:18,176 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:18,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:18,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:18,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:18,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:18,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:18,177 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:18,177 INFO L185 Difference]: Start difference. First operand has 398 places, 416 transitions, 16595 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:18,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 475 transitions, 20031 flow [2021-03-26 03:50:18,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 475 transitions, 19694 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-03-26 03:50:18,839 INFO L241 Difference]: Finished difference. Result has 404 places, 434 transitions, 17612 flow [2021-03-26 03:50:18,839 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16328, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17612, PETRI_PLACES=404, PETRI_TRANSITIONS=434} [2021-03-26 03:50:18,839 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 366 predicate places. [2021-03-26 03:50:18,839 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:18,839 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 404 places, 434 transitions, 17612 flow [2021-03-26 03:50:18,839 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 404 places, 434 transitions, 17612 flow [2021-03-26 03:50:18,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 403 places, 434 transitions, 17612 flow [2021-03-26 03:50:19,245 INFO L129 PetriNetUnfolder]: 170/2624 cut-off events. [2021-03-26 03:50:19,245 INFO L130 PetriNetUnfolder]: For 112329/112516 co-relation queries the response was YES. [2021-03-26 03:50:19,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20327 conditions, 2624 events. 170/2624 cut-off events. For 112329/112516 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 37864 event pairs, 0 based on Foata normal form. 0/2566 useless extension candidates. Maximal degree in co-relation 20192. Up to 340 conditions per place. [2021-03-26 03:50:19,296 INFO L142 LiptonReduction]: Number of co-enabled transitions 2954 [2021-03-26 03:50:19,326 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:19,326 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:19,326 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 487 [2021-03-26 03:50:19,326 INFO L480 AbstractCegarLoop]: Abstraction has has 403 places, 434 transitions, 17612 flow [2021-03-26 03:50:19,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:19,326 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:19,326 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:19,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-03-26 03:50:19,326 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:19,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:19,327 INFO L82 PathProgramCache]: Analyzing trace with hash -321503262, now seen corresponding path program 79 times [2021-03-26 03:50:19,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:19,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485324894] [2021-03-26 03:50:19,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:19,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:19,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:19,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:19,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:19,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:19,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:19,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:19,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:50:19,356 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 03:50:19,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:50:19,384 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:19,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:19,406 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:19,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:19,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:19,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485324894] [2021-03-26 03:50:19,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:19,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:19,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153998811] [2021-03-26 03:50:19,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:19,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:19,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:19,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:19,427 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:19,427 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 434 transitions, 17612 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:19,428 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:19,428 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:19,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:20,219 INFO L129 PetriNetUnfolder]: 223/2717 cut-off events. [2021-03-26 03:50:20,219 INFO L130 PetriNetUnfolder]: For 116507/117041 co-relation queries the response was YES. [2021-03-26 03:50:20,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22124 conditions, 2717 events. 223/2717 cut-off events. For 116507/117041 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 38173 event pairs, 53 based on Foata normal form. 19/2640 useless extension candidates. Maximal degree in co-relation 21988. Up to 448 conditions per place. [2021-03-26 03:50:20,252 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 300 selfloop transitions, 143 changer transitions 2/459 dead transitions. [2021-03-26 03:50:20,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 459 transitions, 19486 flow [2021-03-26 03:50:20,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:20,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:20,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:20,253 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:20,253 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:20,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:20,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:20,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:20,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:20,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:20,254 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:20,254 INFO L185 Difference]: Start difference. First operand has 403 places, 434 transitions, 17612 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:20,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 459 transitions, 19486 flow [2021-03-26 03:50:20,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 459 transitions, 19339 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-03-26 03:50:20,916 INFO L241 Difference]: Finished difference. Result has 410 places, 438 transitions, 18067 flow [2021-03-26 03:50:20,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17474, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18067, PETRI_PLACES=410, PETRI_TRANSITIONS=438} [2021-03-26 03:50:20,917 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 372 predicate places. [2021-03-26 03:50:20,917 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:20,917 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 410 places, 438 transitions, 18067 flow [2021-03-26 03:50:20,917 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 410 places, 438 transitions, 18067 flow [2021-03-26 03:50:20,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 409 places, 438 transitions, 18067 flow [2021-03-26 03:50:21,337 INFO L129 PetriNetUnfolder]: 169/2614 cut-off events. [2021-03-26 03:50:21,338 INFO L130 PetriNetUnfolder]: For 115007/115171 co-relation queries the response was YES. [2021-03-26 03:50:21,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20554 conditions, 2614 events. 169/2614 cut-off events. For 115007/115171 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37702 event pairs, 0 based on Foata normal form. 0/2560 useless extension candidates. Maximal degree in co-relation 20417. Up to 338 conditions per place. [2021-03-26 03:50:21,389 INFO L142 LiptonReduction]: Number of co-enabled transitions 2974 [2021-03-26 03:50:21,435 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:21,435 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:21,435 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 518 [2021-03-26 03:50:21,435 INFO L480 AbstractCegarLoop]: Abstraction has has 409 places, 438 transitions, 18067 flow [2021-03-26 03:50:21,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:21,436 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:21,436 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:21,436 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-03-26 03:50:21,436 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:21,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:21,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1127740514, now seen corresponding path program 80 times [2021-03-26 03:50:21,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:21,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284806358] [2021-03-26 03:50:21,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:21,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:21,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:21,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:21,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:21,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:21,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:21,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:21,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:50:21,470 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 03:50:21,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:50:21,498 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:21,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:21,524 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:21,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:21,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:21,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284806358] [2021-03-26 03:50:21,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:21,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:21,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141789529] [2021-03-26 03:50:21,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:21,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:21,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:21,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:21,549 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:21,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 438 transitions, 18067 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:21,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:21,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:21,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:22,369 INFO L129 PetriNetUnfolder]: 222/2707 cut-off events. [2021-03-26 03:50:22,370 INFO L130 PetriNetUnfolder]: For 120106/120681 co-relation queries the response was YES. [2021-03-26 03:50:22,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22348 conditions, 2707 events. 222/2707 cut-off events. For 120106/120681 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 38011 event pairs, 53 based on Foata normal form. 22/2632 useless extension candidates. Maximal degree in co-relation 22210. Up to 448 conditions per place. [2021-03-26 03:50:22,407 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 300 selfloop transitions, 141 changer transitions 2/457 dead transitions. [2021-03-26 03:50:22,407 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 457 transitions, 19645 flow [2021-03-26 03:50:22,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:22,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:22,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:22,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:22,408 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:22,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:22,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:22,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:22,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:22,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:22,409 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:22,409 INFO L185 Difference]: Start difference. First operand has 409 places, 438 transitions, 18067 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:22,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 457 transitions, 19645 flow [2021-03-26 03:50:23,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 457 transitions, 19423 flow, removed 17 selfloop flow, removed 5 redundant places. [2021-03-26 03:50:23,114 INFO L241 Difference]: Finished difference. Result has 413 places, 439 transitions, 18212 flow [2021-03-26 03:50:23,114 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17853, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18212, PETRI_PLACES=413, PETRI_TRANSITIONS=439} [2021-03-26 03:50:23,114 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 375 predicate places. [2021-03-26 03:50:23,114 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:23,114 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 413 places, 439 transitions, 18212 flow [2021-03-26 03:50:23,114 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 413 places, 439 transitions, 18212 flow [2021-03-26 03:50:23,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 412 places, 439 transitions, 18212 flow [2021-03-26 03:50:23,538 INFO L129 PetriNetUnfolder]: 168/2604 cut-off events. [2021-03-26 03:50:23,539 INFO L130 PetriNetUnfolder]: For 114438/114613 co-relation queries the response was YES. [2021-03-26 03:50:23,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20675 conditions, 2604 events. 168/2604 cut-off events. For 114438/114613 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37560 event pairs, 0 based on Foata normal form. 0/2549 useless extension candidates. Maximal degree in co-relation 20539. Up to 336 conditions per place. [2021-03-26 03:50:23,594 INFO L142 LiptonReduction]: Number of co-enabled transitions 2996 [2021-03-26 03:50:23,624 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:23,624 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:23,625 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 511 [2021-03-26 03:50:23,625 INFO L480 AbstractCegarLoop]: Abstraction has has 412 places, 439 transitions, 18212 flow [2021-03-26 03:50:23,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:23,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:23,625 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:23,625 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-03-26 03:50:23,625 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:23,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:23,625 INFO L82 PathProgramCache]: Analyzing trace with hash -807282246, now seen corresponding path program 81 times [2021-03-26 03:50:23,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:23,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547406524] [2021-03-26 03:50:23,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:23,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:23,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:23,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:23,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:23,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:23,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:23,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:23,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:50:23,657 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:23,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:23,674 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:23,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:23,695 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:23,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:23,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:23,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547406524] [2021-03-26 03:50:23,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:23,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:23,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834660891] [2021-03-26 03:50:23,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:23,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:23,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:23,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:23,718 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:23,718 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 439 transitions, 18212 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:23,718 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:23,718 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:23,718 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:24,522 INFO L129 PetriNetUnfolder]: 221/2697 cut-off events. [2021-03-26 03:50:24,522 INFO L130 PetriNetUnfolder]: For 118776/119344 co-relation queries the response was YES. [2021-03-26 03:50:24,551 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22466 conditions, 2697 events. 221/2697 cut-off events. For 118776/119344 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37852 event pairs, 53 based on Foata normal form. 22/2622 useless extension candidates. Maximal degree in co-relation 22329. Up to 448 conditions per place. [2021-03-26 03:50:24,556 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 296 selfloop transitions, 145 changer transitions 0/455 dead transitions. [2021-03-26 03:50:24,556 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 455 transitions, 19626 flow [2021-03-26 03:50:24,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:24,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:24,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:24,557 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:24,557 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:24,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:24,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:24,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:24,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:24,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:24,558 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:24,558 INFO L185 Difference]: Start difference. First operand has 412 places, 439 transitions, 18212 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:24,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 455 transitions, 19626 flow [2021-03-26 03:50:25,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 455 transitions, 19344 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-03-26 03:50:25,234 INFO L241 Difference]: Finished difference. Result has 416 places, 447 transitions, 18592 flow [2021-03-26 03:50:25,235 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17938, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18592, PETRI_PLACES=416, PETRI_TRANSITIONS=447} [2021-03-26 03:50:25,235 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 378 predicate places. [2021-03-26 03:50:25,235 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:25,235 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 416 places, 447 transitions, 18592 flow [2021-03-26 03:50:25,235 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 416 places, 447 transitions, 18592 flow [2021-03-26 03:50:25,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 416 places, 447 transitions, 18592 flow [2021-03-26 03:50:25,647 INFO L129 PetriNetUnfolder]: 168/2603 cut-off events. [2021-03-26 03:50:25,647 INFO L130 PetriNetUnfolder]: For 115106/115270 co-relation queries the response was YES. [2021-03-26 03:50:25,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20704 conditions, 2603 events. 168/2603 cut-off events. For 115106/115270 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 37507 event pairs, 0 based on Foata normal form. 0/2549 useless extension candidates. Maximal degree in co-relation 20567. Up to 336 conditions per place. [2021-03-26 03:50:25,699 INFO L142 LiptonReduction]: Number of co-enabled transitions 3012 [2021-03-26 03:50:25,730 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:25,730 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:25,730 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 495 [2021-03-26 03:50:25,731 INFO L480 AbstractCegarLoop]: Abstraction has has 416 places, 447 transitions, 18592 flow [2021-03-26 03:50:25,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:25,731 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:25,731 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:25,731 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-03-26 03:50:25,731 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:25,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:25,732 INFO L82 PathProgramCache]: Analyzing trace with hash -2123439550, now seen corresponding path program 82 times [2021-03-26 03:50:25,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:25,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410251795] [2021-03-26 03:50:25,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:25,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:25,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:25,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:25,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:25,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:25,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:25,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:25,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:50:25,760 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:25,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:25,774 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:25,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:25,793 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:25,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:25,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:25,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410251795] [2021-03-26 03:50:25,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:25,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:25,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278489295] [2021-03-26 03:50:25,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:25,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:25,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:25,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:25,812 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:25,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 447 transitions, 18592 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:25,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:25,813 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:25,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:26,569 INFO L129 PetriNetUnfolder]: 221/2696 cut-off events. [2021-03-26 03:50:26,570 INFO L130 PetriNetUnfolder]: For 119811/120377 co-relation queries the response was YES. [2021-03-26 03:50:26,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22494 conditions, 2696 events. 221/2696 cut-off events. For 119811/120377 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37880 event pairs, 53 based on Foata normal form. 21/2620 useless extension candidates. Maximal degree in co-relation 22356. Up to 448 conditions per place. [2021-03-26 03:50:26,609 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 297 selfloop transitions, 139 changer transitions 5/455 dead transitions. [2021-03-26 03:50:26,609 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 455 transitions, 19704 flow [2021-03-26 03:50:26,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:26,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:26,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:26,610 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:26,610 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:26,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:26,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:26,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:26,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:26,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:26,611 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:26,611 INFO L185 Difference]: Start difference. First operand has 416 places, 447 transitions, 18592 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:26,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 455 transitions, 19704 flow [2021-03-26 03:50:27,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 455 transitions, 19570 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 03:50:27,279 INFO L241 Difference]: Finished difference. Result has 423 places, 444 transitions, 18573 flow [2021-03-26 03:50:27,279 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18458, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18573, PETRI_PLACES=423, PETRI_TRANSITIONS=444} [2021-03-26 03:50:27,279 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 385 predicate places. [2021-03-26 03:50:27,279 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:27,279 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 423 places, 444 transitions, 18573 flow [2021-03-26 03:50:27,279 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 423 places, 444 transitions, 18573 flow [2021-03-26 03:50:27,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 421 places, 444 transitions, 18573 flow [2021-03-26 03:50:27,699 INFO L129 PetriNetUnfolder]: 167/2586 cut-off events. [2021-03-26 03:50:27,699 INFO L130 PetriNetUnfolder]: For 117829/118015 co-relation queries the response was YES. [2021-03-26 03:50:27,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21037 conditions, 2586 events. 167/2586 cut-off events. For 117829/118015 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 37255 event pairs, 0 based on Foata normal form. 1/2531 useless extension candidates. Maximal degree in co-relation 20898. Up to 334 conditions per place. [2021-03-26 03:50:27,752 INFO L142 LiptonReduction]: Number of co-enabled transitions 2994 [2021-03-26 03:50:27,783 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:27,783 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:27,783 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 504 [2021-03-26 03:50:27,784 INFO L480 AbstractCegarLoop]: Abstraction has has 421 places, 444 transitions, 18573 flow [2021-03-26 03:50:27,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:27,784 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:27,784 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:27,784 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-03-26 03:50:27,784 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:27,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:27,784 INFO L82 PathProgramCache]: Analyzing trace with hash -390962630, now seen corresponding path program 83 times [2021-03-26 03:50:27,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:27,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742827965] [2021-03-26 03:50:27,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:27,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:27,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:27,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:27,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:27,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:27,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:27,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:27,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:50:27,817 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:50:27,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:50:27,831 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:27,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:27,850 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:27,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:27,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:27,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742827965] [2021-03-26 03:50:27,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:27,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:27,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336764312] [2021-03-26 03:50:27,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:27,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:27,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:27,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:27,869 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:27,869 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 444 transitions, 18573 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:27,869 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:27,869 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:27,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:28,667 INFO L129 PetriNetUnfolder]: 220/2679 cut-off events. [2021-03-26 03:50:28,668 INFO L130 PetriNetUnfolder]: For 122358/122924 co-relation queries the response was YES. [2021-03-26 03:50:28,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22820 conditions, 2679 events. 220/2679 cut-off events. For 122358/122924 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 37574 event pairs, 53 based on Foata normal form. 21/2603 useless extension candidates. Maximal degree in co-relation 22680. Up to 448 conditions per place. [2021-03-26 03:50:28,706 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 300 selfloop transitions, 135 changer transitions 1/450 dead transitions. [2021-03-26 03:50:28,706 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 450 transitions, 19599 flow [2021-03-26 03:50:28,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:28,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:28,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:28,707 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:28,707 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:28,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:28,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:28,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:28,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:28,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:28,708 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:28,708 INFO L185 Difference]: Start difference. First operand has 421 places, 444 transitions, 18573 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:28,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 450 transitions, 19599 flow [2021-03-26 03:50:29,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 450 transitions, 19314 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-26 03:50:29,474 INFO L241 Difference]: Finished difference. Result has 424 places, 445 transitions, 18625 flow [2021-03-26 03:50:29,475 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18304, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18625, PETRI_PLACES=424, PETRI_TRANSITIONS=445} [2021-03-26 03:50:29,475 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 386 predicate places. [2021-03-26 03:50:29,475 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:29,475 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 424 places, 445 transitions, 18625 flow [2021-03-26 03:50:29,475 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 424 places, 445 transitions, 18625 flow [2021-03-26 03:50:29,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 423 places, 445 transitions, 18625 flow [2021-03-26 03:50:29,910 INFO L129 PetriNetUnfolder]: 166/2577 cut-off events. [2021-03-26 03:50:29,910 INFO L130 PetriNetUnfolder]: For 116409/116584 co-relation queries the response was YES. [2021-03-26 03:50:29,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20753 conditions, 2577 events. 166/2577 cut-off events. For 116409/116584 co-relation queries the response was YES. Maximal size of possible extension queue 473. Compared 37120 event pairs, 0 based on Foata normal form. 0/2521 useless extension candidates. Maximal degree in co-relation 20614. Up to 332 conditions per place. [2021-03-26 03:50:29,963 INFO L142 LiptonReduction]: Number of co-enabled transitions 3006 [2021-03-26 03:50:30,010 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:30,011 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:30,011 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 536 [2021-03-26 03:50:30,011 INFO L480 AbstractCegarLoop]: Abstraction has has 423 places, 445 transitions, 18625 flow [2021-03-26 03:50:30,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:30,011 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:30,011 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:30,011 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-03-26 03:50:30,012 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:30,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:30,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1098442366, now seen corresponding path program 84 times [2021-03-26 03:50:30,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:30,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15875956] [2021-03-26 03:50:30,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:30,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:30,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:30,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:30,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:30,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:30,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:30,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:30,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:50:30,043 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:50:30,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:50:30,059 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:30,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:30,080 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:30,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:30,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:30,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15875956] [2021-03-26 03:50:30,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:30,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:30,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106874733] [2021-03-26 03:50:30,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:30,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:30,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:30,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:30,102 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:30,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 445 transitions, 18625 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:30,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:30,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:30,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:30,939 INFO L129 PetriNetUnfolder]: 219/2670 cut-off events. [2021-03-26 03:50:30,939 INFO L130 PetriNetUnfolder]: For 120663/121229 co-relation queries the response was YES. [2021-03-26 03:50:30,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22535 conditions, 2670 events. 219/2670 cut-off events. For 120663/121229 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 37427 event pairs, 53 based on Foata normal form. 21/2594 useless extension candidates. Maximal degree in co-relation 22395. Up to 448 conditions per place. [2021-03-26 03:50:30,975 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 299 selfloop transitions, 134 changer transitions 2/449 dead transitions. [2021-03-26 03:50:30,975 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 449 transitions, 19575 flow [2021-03-26 03:50:30,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:30,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:30,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:30,976 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:30,976 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:30,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:30,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:30,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:30,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:30,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:30,977 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:30,977 INFO L185 Difference]: Start difference. First operand has 423 places, 445 transitions, 18625 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:30,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 449 transitions, 19575 flow [2021-03-26 03:50:31,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 449 transitions, 19334 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 03:50:31,699 INFO L241 Difference]: Finished difference. Result has 426 places, 443 transitions, 18551 flow [2021-03-26 03:50:31,700 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18392, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18551, PETRI_PLACES=426, PETRI_TRANSITIONS=443} [2021-03-26 03:50:31,700 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 388 predicate places. [2021-03-26 03:50:31,700 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:31,700 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 426 places, 443 transitions, 18551 flow [2021-03-26 03:50:31,700 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 426 places, 443 transitions, 18551 flow [2021-03-26 03:50:31,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 425 places, 443 transitions, 18551 flow [2021-03-26 03:50:32,114 INFO L129 PetriNetUnfolder]: 165/2567 cut-off events. [2021-03-26 03:50:32,114 INFO L130 PetriNetUnfolder]: For 115511/115675 co-relation queries the response was YES. [2021-03-26 03:50:32,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20739 conditions, 2567 events. 165/2567 cut-off events. For 115511/115675 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 36912 event pairs, 0 based on Foata normal form. 0/2513 useless extension candidates. Maximal degree in co-relation 20601. Up to 330 conditions per place. [2021-03-26 03:50:32,164 INFO L142 LiptonReduction]: Number of co-enabled transitions 2996 [2021-03-26 03:50:32,195 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:32,195 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:32,195 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 495 [2021-03-26 03:50:32,195 INFO L480 AbstractCegarLoop]: Abstraction has has 425 places, 443 transitions, 18551 flow [2021-03-26 03:50:32,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:32,196 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:32,196 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:32,196 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-03-26 03:50:32,196 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:32,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:32,196 INFO L82 PathProgramCache]: Analyzing trace with hash -404992948, now seen corresponding path program 85 times [2021-03-26 03:50:32,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:32,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682804340] [2021-03-26 03:50:32,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:32,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:32,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:32,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:32,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:32,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:32,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:32,233 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:50:32,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:50:32,245 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:50:32,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:50:32,262 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:32,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:32,283 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:32,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:32,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:32,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682804340] [2021-03-26 03:50:32,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:32,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:32,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582158917] [2021-03-26 03:50:32,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:32,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:32,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:32,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:32,305 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:32,305 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 443 transitions, 18551 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:32,305 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:32,305 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:32,305 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:33,261 INFO L129 PetriNetUnfolder]: 218/2660 cut-off events. [2021-03-26 03:50:33,261 INFO L130 PetriNetUnfolder]: For 119980/120548 co-relation queries the response was YES. [2021-03-26 03:50:33,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22518 conditions, 2660 events. 218/2660 cut-off events. For 119980/120548 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 37248 event pairs, 53 based on Foata normal form. 17/2582 useless extension candidates. Maximal degree in co-relation 22379. Up to 430 conditions per place. [2021-03-26 03:50:33,300 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 255 selfloop transitions, 186 changer transitions 0/455 dead transitions. [2021-03-26 03:50:33,300 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 455 transitions, 19914 flow [2021-03-26 03:50:33,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:33,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:33,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:33,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:33,301 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:33,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:33,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:33,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:33,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:33,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:33,302 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:33,302 INFO L185 Difference]: Start difference. First operand has 425 places, 443 transitions, 18551 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:33,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 455 transitions, 19914 flow [2021-03-26 03:50:34,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 455 transitions, 19640 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 03:50:34,016 INFO L241 Difference]: Finished difference. Result has 429 places, 448 transitions, 19012 flow [2021-03-26 03:50:34,016 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18291, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19012, PETRI_PLACES=429, PETRI_TRANSITIONS=448} [2021-03-26 03:50:34,016 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 391 predicate places. [2021-03-26 03:50:34,016 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:34,016 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 429 places, 448 transitions, 19012 flow [2021-03-26 03:50:34,016 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 429 places, 448 transitions, 19012 flow [2021-03-26 03:50:34,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 429 places, 448 transitions, 19012 flow [2021-03-26 03:50:34,418 INFO L129 PetriNetUnfolder]: 165/2566 cut-off events. [2021-03-26 03:50:34,418 INFO L130 PetriNetUnfolder]: For 117068/117244 co-relation queries the response was YES. [2021-03-26 03:50:34,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20774 conditions, 2566 events. 165/2566 cut-off events. For 117068/117244 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 36886 event pairs, 0 based on Foata normal form. 0/2513 useless extension candidates. Maximal degree in co-relation 20635. Up to 330 conditions per place. [2021-03-26 03:50:34,468 INFO L142 LiptonReduction]: Number of co-enabled transitions 3066 [2021-03-26 03:50:34,500 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:34,500 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:34,500 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 484 [2021-03-26 03:50:34,500 INFO L480 AbstractCegarLoop]: Abstraction has has 429 places, 448 transitions, 19012 flow [2021-03-26 03:50:34,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:34,500 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:34,500 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:34,501 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-03-26 03:50:34,501 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:34,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:34,501 INFO L82 PathProgramCache]: Analyzing trace with hash -659693220, now seen corresponding path program 86 times [2021-03-26 03:50:34,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:34,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957312963] [2021-03-26 03:50:34,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:34,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:34,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:34,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:34,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:34,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:34,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:34,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:34,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:50:34,532 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:50:34,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:50:34,548 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:34,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:34,569 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:34,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:34,588 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 03:50:34,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957312963] [2021-03-26 03:50:34,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:34,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:34,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064812639] [2021-03-26 03:50:34,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:34,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:34,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:34,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:34,589 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:34,589 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 448 transitions, 19012 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:34,589 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:34,589 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:34,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:35,380 INFO L129 PetriNetUnfolder]: 218/2659 cut-off events. [2021-03-26 03:50:35,380 INFO L130 PetriNetUnfolder]: For 121484/122068 co-relation queries the response was YES. [2021-03-26 03:50:35,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22552 conditions, 2659 events. 218/2659 cut-off events. For 121484/122068 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 37285 event pairs, 53 based on Foata normal form. 17/2581 useless extension candidates. Maximal degree in co-relation 22412. Up to 430 conditions per place. [2021-03-26 03:50:35,413 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 270 selfloop transitions, 171 changer transitions 0/455 dead transitions. [2021-03-26 03:50:35,413 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 455 transitions, 20112 flow [2021-03-26 03:50:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:35,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:35,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:35,414 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:35,414 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:35,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:35,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:35,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:35,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:35,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:35,415 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:35,415 INFO L185 Difference]: Start difference. First operand has 429 places, 448 transitions, 19012 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:35,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 455 transitions, 20112 flow [2021-03-26 03:50:36,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 455 transitions, 19785 flow, removed 25 selfloop flow, removed 4 redundant places. [2021-03-26 03:50:36,110 INFO L241 Difference]: Finished difference. Result has 433 places, 448 transitions, 19030 flow [2021-03-26 03:50:36,111 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18685, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19030, PETRI_PLACES=433, PETRI_TRANSITIONS=448} [2021-03-26 03:50:36,111 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 395 predicate places. [2021-03-26 03:50:36,111 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:36,111 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 433 places, 448 transitions, 19030 flow [2021-03-26 03:50:36,111 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 433 places, 448 transitions, 19030 flow [2021-03-26 03:50:36,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 433 places, 448 transitions, 19030 flow [2021-03-26 03:50:36,583 INFO L129 PetriNetUnfolder]: 165/2565 cut-off events. [2021-03-26 03:50:36,583 INFO L130 PetriNetUnfolder]: For 118146/118310 co-relation queries the response was YES. [2021-03-26 03:50:36,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21076 conditions, 2565 events. 165/2565 cut-off events. For 118146/118310 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 36885 event pairs, 0 based on Foata normal form. 0/2513 useless extension candidates. Maximal degree in co-relation 20937. Up to 330 conditions per place. [2021-03-26 03:50:36,630 INFO L142 LiptonReduction]: Number of co-enabled transitions 3066 [2021-03-26 03:50:36,660 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:36,660 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:36,660 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 549 [2021-03-26 03:50:36,661 INFO L480 AbstractCegarLoop]: Abstraction has has 433 places, 448 transitions, 19030 flow [2021-03-26 03:50:36,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:36,661 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:36,661 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:36,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-03-26 03:50:36,661 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:36,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:36,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1100896414, now seen corresponding path program 87 times [2021-03-26 03:50:36,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:36,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978130172] [2021-03-26 03:50:36,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:36,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:36,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:36,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:36,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:36,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:36,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:36,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:36,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:50:36,700 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:50:36,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:50:36,725 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:50:36,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:50:36,744 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:36,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:36,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:36,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978130172] [2021-03-26 03:50:36,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:36,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:36,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348489893] [2021-03-26 03:50:36,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:36,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:36,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:36,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:36,764 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:36,764 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 448 transitions, 19030 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:36,764 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:36,764 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:36,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:37,529 INFO L129 PetriNetUnfolder]: 218/2658 cut-off events. [2021-03-26 03:50:37,529 INFO L130 PetriNetUnfolder]: For 123110/123682 co-relation queries the response was YES. [2021-03-26 03:50:37,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22852 conditions, 2658 events. 218/2658 cut-off events. For 123110/123682 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 37247 event pairs, 53 based on Foata normal form. 16/2579 useless extension candidates. Maximal degree in co-relation 22712. Up to 430 conditions per place. [2021-03-26 03:50:37,562 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 274 selfloop transitions, 165 changer transitions 2/455 dead transitions. [2021-03-26 03:50:37,562 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 455 transitions, 20138 flow [2021-03-26 03:50:37,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:37,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:37,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:37,563 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:37,563 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:37,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:37,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:37,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:37,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:37,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:37,567 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:37,567 INFO L185 Difference]: Start difference. First operand has 433 places, 448 transitions, 19030 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:37,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 455 transitions, 20138 flow [2021-03-26 03:50:38,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 455 transitions, 19851 flow, removed 21 selfloop flow, removed 3 redundant places. [2021-03-26 03:50:38,308 INFO L241 Difference]: Finished difference. Result has 438 places, 446 transitions, 18969 flow [2021-03-26 03:50:38,309 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18743, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18969, PETRI_PLACES=438, PETRI_TRANSITIONS=446} [2021-03-26 03:50:38,309 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 400 predicate places. [2021-03-26 03:50:38,309 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:38,309 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 438 places, 446 transitions, 18969 flow [2021-03-26 03:50:38,309 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 438 places, 446 transitions, 18969 flow [2021-03-26 03:50:38,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 437 places, 446 transitions, 18969 flow [2021-03-26 03:50:38,711 INFO L129 PetriNetUnfolder]: 164/2555 cut-off events. [2021-03-26 03:50:38,711 INFO L130 PetriNetUnfolder]: For 120447/120612 co-relation queries the response was YES. [2021-03-26 03:50:38,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21340 conditions, 2555 events. 164/2555 cut-off events. For 120447/120612 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 36724 event pairs, 0 based on Foata normal form. 0/2502 useless extension candidates. Maximal degree in co-relation 21200. Up to 328 conditions per place. [2021-03-26 03:50:38,761 INFO L142 LiptonReduction]: Number of co-enabled transitions 3048 [2021-03-26 03:50:38,806 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:38,806 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:38,807 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 498 [2021-03-26 03:50:38,807 INFO L480 AbstractCegarLoop]: Abstraction has has 437 places, 446 transitions, 18969 flow [2021-03-26 03:50:38,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:38,807 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:38,807 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:38,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-03-26 03:50:38,807 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:38,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:38,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1102592360, now seen corresponding path program 88 times [2021-03-26 03:50:38,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:38,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324837779] [2021-03-26 03:50:38,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:38,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:38,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:38,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:38,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:38,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:38,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:38,828 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:50:38,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:50:38,840 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:50:38,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:50:38,857 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:38,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:38,879 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:38,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:38,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:38,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324837779] [2021-03-26 03:50:38,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:38,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:38,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001127568] [2021-03-26 03:50:38,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:38,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:38,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:38,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:38,903 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:38,903 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 446 transitions, 18969 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:38,903 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:38,903 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:38,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:39,741 INFO L129 PetriNetUnfolder]: 217/2648 cut-off events. [2021-03-26 03:50:39,741 INFO L130 PetriNetUnfolder]: For 125384/125966 co-relation queries the response was YES. [2021-03-26 03:50:39,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23112 conditions, 2648 events. 217/2648 cut-off events. For 125384/125966 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 37043 event pairs, 53 based on Foata normal form. 16/2569 useless extension candidates. Maximal degree in co-relation 22971. Up to 430 conditions per place. [2021-03-26 03:50:39,774 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 248 selfloop transitions, 191 changer transitions 0/453 dead transitions. [2021-03-26 03:50:39,774 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 453 transitions, 20081 flow [2021-03-26 03:50:39,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:39,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:39,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:39,775 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:39,775 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:39,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:39,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:39,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:39,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:39,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:39,776 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:39,776 INFO L185 Difference]: Start difference. First operand has 437 places, 446 transitions, 18969 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:39,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 453 transitions, 20081 flow [2021-03-26 03:50:40,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 453 transitions, 19766 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 03:50:40,492 INFO L241 Difference]: Finished difference. Result has 440 places, 446 transitions, 19047 flow [2021-03-26 03:50:40,493 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18662, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=191, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19047, PETRI_PLACES=440, PETRI_TRANSITIONS=446} [2021-03-26 03:50:40,493 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 402 predicate places. [2021-03-26 03:50:40,493 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:40,493 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 440 places, 446 transitions, 19047 flow [2021-03-26 03:50:40,493 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 440 places, 446 transitions, 19047 flow [2021-03-26 03:50:40,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 440 places, 446 transitions, 19047 flow [2021-03-26 03:50:40,920 INFO L129 PetriNetUnfolder]: 164/2554 cut-off events. [2021-03-26 03:50:40,920 INFO L130 PetriNetUnfolder]: For 120387/120565 co-relation queries the response was YES. [2021-03-26 03:50:40,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21350 conditions, 2554 events. 164/2554 cut-off events. For 120387/120565 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 36661 event pairs, 0 based on Foata normal form. 0/2500 useless extension candidates. Maximal degree in co-relation 21210. Up to 328 conditions per place. [2021-03-26 03:50:40,972 INFO L142 LiptonReduction]: Number of co-enabled transitions 3048 [2021-03-26 03:50:41,002 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:41,002 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:41,002 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 509 [2021-03-26 03:50:41,002 INFO L480 AbstractCegarLoop]: Abstraction has has 440 places, 446 transitions, 19047 flow [2021-03-26 03:50:41,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:41,003 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:41,003 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:41,003 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-03-26 03:50:41,003 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:41,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:41,003 INFO L82 PathProgramCache]: Analyzing trace with hash -828247792, now seen corresponding path program 89 times [2021-03-26 03:50:41,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:41,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355101386] [2021-03-26 03:50:41,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:41,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:41,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:41,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:41,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:41,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:41,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:41,029 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:50:41,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:50:41,041 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:50:41,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:50:41,069 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:41,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:41,091 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:41,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:41,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:41,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355101386] [2021-03-26 03:50:41,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:41,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:41,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519123978] [2021-03-26 03:50:41,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:41,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:41,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:41,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:41,113 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:41,113 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 446 transitions, 19047 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:41,113 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:41,113 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:41,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:41,909 INFO L129 PetriNetUnfolder]: 217/2647 cut-off events. [2021-03-26 03:50:41,909 INFO L130 PetriNetUnfolder]: For 125324/125920 co-relation queries the response was YES. [2021-03-26 03:50:41,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23121 conditions, 2647 events. 217/2647 cut-off events. For 125324/125920 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 37008 event pairs, 53 based on Foata normal form. 17/2569 useless extension candidates. Maximal degree in co-relation 22980. Up to 430 conditions per place. [2021-03-26 03:50:41,950 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 254 selfloop transitions, 185 changer transitions 0/453 dead transitions. [2021-03-26 03:50:41,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 453 transitions, 20159 flow [2021-03-26 03:50:41,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:41,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:41,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:41,951 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:41,951 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:41,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:41,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:41,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:41,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:41,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:41,952 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:41,952 INFO L185 Difference]: Start difference. First operand has 440 places, 446 transitions, 19047 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:41,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 453 transitions, 20159 flow [2021-03-26 03:50:42,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 453 transitions, 19621 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-26 03:50:42,683 INFO L241 Difference]: Finished difference. Result has 443 places, 446 transitions, 18882 flow [2021-03-26 03:50:42,683 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18509, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18882, PETRI_PLACES=443, PETRI_TRANSITIONS=446} [2021-03-26 03:50:42,683 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 405 predicate places. [2021-03-26 03:50:42,683 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:42,683 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 443 places, 446 transitions, 18882 flow [2021-03-26 03:50:42,684 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 443 places, 446 transitions, 18882 flow [2021-03-26 03:50:42,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 443 places, 446 transitions, 18882 flow [2021-03-26 03:50:43,106 INFO L129 PetriNetUnfolder]: 164/2553 cut-off events. [2021-03-26 03:50:43,107 INFO L130 PetriNetUnfolder]: For 121211/121377 co-relation queries the response was YES. [2021-03-26 03:50:43,134 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21525 conditions, 2553 events. 164/2553 cut-off events. For 121211/121377 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 36718 event pairs, 0 based on Foata normal form. 0/2499 useless extension candidates. Maximal degree in co-relation 21385. Up to 328 conditions per place. [2021-03-26 03:50:43,161 INFO L142 LiptonReduction]: Number of co-enabled transitions 3048 [2021-03-26 03:50:43,193 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:43,193 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:43,193 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 510 [2021-03-26 03:50:43,193 INFO L480 AbstractCegarLoop]: Abstraction has has 443 places, 446 transitions, 18882 flow [2021-03-26 03:50:43,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:43,193 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:43,194 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:43,194 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-03-26 03:50:43,194 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:43,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:43,194 INFO L82 PathProgramCache]: Analyzing trace with hash 761602482, now seen corresponding path program 90 times [2021-03-26 03:50:43,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:43,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576705279] [2021-03-26 03:50:43,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:43,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:43,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:43,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:43,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:43,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:43,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:43,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:43,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:50:43,226 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:43,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:43,242 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:43,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:43,265 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:43,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:43,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:43,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576705279] [2021-03-26 03:50:43,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:43,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:43,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065846778] [2021-03-26 03:50:43,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:43,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:43,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:43,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:43,285 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:43,285 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 446 transitions, 18882 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:43,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:43,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:43,286 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:44,076 INFO L129 PetriNetUnfolder]: 217/2646 cut-off events. [2021-03-26 03:50:44,076 INFO L130 PetriNetUnfolder]: For 126688/127274 co-relation queries the response was YES. [2021-03-26 03:50:44,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23294 conditions, 2646 events. 217/2646 cut-off events. For 126688/127274 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 36976 event pairs, 53 based on Foata normal form. 17/2568 useless extension candidates. Maximal degree in co-relation 23153. Up to 430 conditions per place. [2021-03-26 03:50:44,109 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 160 changer transitions 2/453 dead transitions. [2021-03-26 03:50:44,110 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 453 transitions, 20002 flow [2021-03-26 03:50:44,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:44,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:44,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:44,110 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:44,110 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:44,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:44,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:44,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:44,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:44,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:44,111 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:44,111 INFO L185 Difference]: Start difference. First operand has 443 places, 446 transitions, 18882 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:44,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 453 transitions, 20002 flow [2021-03-26 03:50:44,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 453 transitions, 19656 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 03:50:44,851 INFO L241 Difference]: Finished difference. Result has 448 places, 445 transitions, 18865 flow [2021-03-26 03:50:44,851 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18536, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18865, PETRI_PLACES=448, PETRI_TRANSITIONS=445} [2021-03-26 03:50:44,851 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 410 predicate places. [2021-03-26 03:50:44,851 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:44,851 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 448 places, 445 transitions, 18865 flow [2021-03-26 03:50:44,852 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 448 places, 445 transitions, 18865 flow [2021-03-26 03:50:44,857 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 447 places, 445 transitions, 18865 flow [2021-03-26 03:50:45,276 INFO L129 PetriNetUnfolder]: 163/2543 cut-off events. [2021-03-26 03:50:45,276 INFO L130 PetriNetUnfolder]: For 125717/125884 co-relation queries the response was YES. [2021-03-26 03:50:45,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21766 conditions, 2543 events. 163/2543 cut-off events. For 125717/125884 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 36570 event pairs, 0 based on Foata normal form. 0/2489 useless extension candidates. Maximal degree in co-relation 21624. Up to 326 conditions per place. [2021-03-26 03:50:45,328 INFO L142 LiptonReduction]: Number of co-enabled transitions 3058 [2021-03-26 03:50:45,358 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:45,358 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:45,359 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 508 [2021-03-26 03:50:45,359 INFO L480 AbstractCegarLoop]: Abstraction has has 447 places, 445 transitions, 18865 flow [2021-03-26 03:50:45,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:45,359 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:45,359 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:45,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-03-26 03:50:45,359 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:45,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:45,359 INFO L82 PathProgramCache]: Analyzing trace with hash -2064237220, now seen corresponding path program 91 times [2021-03-26 03:50:45,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:45,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420658548] [2021-03-26 03:50:45,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:45,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:45,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:45,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:45,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:45,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:45,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:45,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:45,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:50:45,400 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:45,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:45,416 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:45,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:45,435 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:45,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:45,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:45,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420658548] [2021-03-26 03:50:45,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:45,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:45,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974889691] [2021-03-26 03:50:45,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:45,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:45,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:45,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:45,454 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:45,454 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 445 transitions, 18865 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:45,454 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:45,454 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:45,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:46,273 INFO L129 PetriNetUnfolder]: 216/2636 cut-off events. [2021-03-26 03:50:46,274 INFO L130 PetriNetUnfolder]: For 131168/131762 co-relation queries the response was YES. [2021-03-26 03:50:46,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23531 conditions, 2636 events. 216/2636 cut-off events. For 131168/131762 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 36801 event pairs, 53 based on Foata normal form. 16/2557 useless extension candidates. Maximal degree in co-relation 23388. Up to 430 conditions per place. [2021-03-26 03:50:46,308 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 157 changer transitions 2/451 dead transitions. [2021-03-26 03:50:46,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 451 transitions, 19941 flow [2021-03-26 03:50:46,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:46,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:46,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:46,309 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:46,309 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:46,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:46,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:46,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:46,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:46,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:46,310 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:46,310 INFO L185 Difference]: Start difference. First operand has 447 places, 445 transitions, 18865 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:46,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 451 transitions, 19941 flow [2021-03-26 03:50:47,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 451 transitions, 19786 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-26 03:50:47,047 INFO L241 Difference]: Finished difference. Result has 452 places, 443 transitions, 18930 flow [2021-03-26 03:50:47,047 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18718, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18930, PETRI_PLACES=452, PETRI_TRANSITIONS=443} [2021-03-26 03:50:47,048 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 414 predicate places. [2021-03-26 03:50:47,048 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:47,048 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 452 places, 443 transitions, 18930 flow [2021-03-26 03:50:47,048 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 452 places, 443 transitions, 18930 flow [2021-03-26 03:50:47,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 451 places, 443 transitions, 18930 flow [2021-03-26 03:50:47,466 INFO L129 PetriNetUnfolder]: 162/2533 cut-off events. [2021-03-26 03:50:47,466 INFO L130 PetriNetUnfolder]: For 125642/125818 co-relation queries the response was YES. [2021-03-26 03:50:47,493 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21886 conditions, 2533 events. 162/2533 cut-off events. For 125642/125818 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36361 event pairs, 0 based on Foata normal form. 0/2477 useless extension candidates. Maximal degree in co-relation 21744. Up to 324 conditions per place. [2021-03-26 03:50:47,518 INFO L142 LiptonReduction]: Number of co-enabled transitions 3046 [2021-03-26 03:50:47,549 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:47,549 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:47,549 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 501 [2021-03-26 03:50:47,549 INFO L480 AbstractCegarLoop]: Abstraction has has 451 places, 443 transitions, 18930 flow [2021-03-26 03:50:47,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:47,549 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:47,549 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:47,549 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-03-26 03:50:47,549 INFO L428 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:47,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:47,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1829114546, now seen corresponding path program 92 times [2021-03-26 03:50:47,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:47,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193460743] [2021-03-26 03:50:47,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:47,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:47,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:47,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:47,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:47,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:47,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:47,571 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:50:47,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:50:47,583 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:50:47,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:50:47,599 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:47,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:47,619 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:47,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:47,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:47,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193460743] [2021-03-26 03:50:47,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:47,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:47,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814449583] [2021-03-26 03:50:47,641 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:47,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:47,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:47,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:47,642 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:47,642 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 443 transitions, 18930 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:47,642 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:47,642 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:47,642 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:48,473 INFO L129 PetriNetUnfolder]: 215/2626 cut-off events. [2021-03-26 03:50:48,473 INFO L130 PetriNetUnfolder]: For 131334/131918 co-relation queries the response was YES. [2021-03-26 03:50:48,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23648 conditions, 2626 events. 215/2626 cut-off events. For 131334/131918 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36654 event pairs, 53 based on Foata normal form. 16/2547 useless extension candidates. Maximal degree in co-relation 23505. Up to 430 conditions per place. [2021-03-26 03:50:48,505 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 254 selfloop transitions, 181 changer transitions 0/449 dead transitions. [2021-03-26 03:50:48,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 449 transitions, 20002 flow [2021-03-26 03:50:48,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:48,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:48,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:48,506 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:48,506 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:48,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:48,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:48,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:48,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:48,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:48,507 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:48,507 INFO L185 Difference]: Start difference. First operand has 451 places, 443 transitions, 18930 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:48,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 449 transitions, 20002 flow [2021-03-26 03:50:49,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 449 transitions, 19745 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 03:50:49,216 INFO L241 Difference]: Finished difference. Result has 455 places, 443 transitions, 19046 flow [2021-03-26 03:50:49,217 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18681, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19046, PETRI_PLACES=455, PETRI_TRANSITIONS=443} [2021-03-26 03:50:49,217 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 417 predicate places. [2021-03-26 03:50:49,217 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:49,217 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 455 places, 443 transitions, 19046 flow [2021-03-26 03:50:49,217 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 455 places, 443 transitions, 19046 flow [2021-03-26 03:50:49,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 455 places, 443 transitions, 19046 flow [2021-03-26 03:50:49,640 INFO L129 PetriNetUnfolder]: 162/2532 cut-off events. [2021-03-26 03:50:49,640 INFO L130 PetriNetUnfolder]: For 125615/125781 co-relation queries the response was YES. [2021-03-26 03:50:49,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21959 conditions, 2532 events. 162/2532 cut-off events. For 125615/125781 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36312 event pairs, 0 based on Foata normal form. 0/2477 useless extension candidates. Maximal degree in co-relation 21817. Up to 324 conditions per place. [2021-03-26 03:50:49,691 INFO L142 LiptonReduction]: Number of co-enabled transitions 3046 [2021-03-26 03:50:49,721 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:49,721 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:49,721 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 504 [2021-03-26 03:50:49,722 INFO L480 AbstractCegarLoop]: Abstraction has has 455 places, 443 transitions, 19046 flow [2021-03-26 03:50:49,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:49,722 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:49,722 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:49,722 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-03-26 03:50:49,722 INFO L428 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:49,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:49,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1559176176, now seen corresponding path program 93 times [2021-03-26 03:50:49,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:49,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844257688] [2021-03-26 03:50:49,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:49,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:49,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:49,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:49,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:49,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:49,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:49,743 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:50:49,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:50:49,755 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:50:49,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:50:49,772 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:50:49,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:50:49,794 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:49,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:49,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:49,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844257688] [2021-03-26 03:50:49,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:49,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:49,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567373334] [2021-03-26 03:50:49,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:49,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:49,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:49,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:49,816 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:49,817 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 443 transitions, 19046 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:49,817 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:49,817 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:49,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:50,688 INFO L129 PetriNetUnfolder]: 215/2625 cut-off events. [2021-03-26 03:50:50,688 INFO L130 PetriNetUnfolder]: For 131262/131850 co-relation queries the response was YES. [2021-03-26 03:50:50,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23720 conditions, 2625 events. 215/2625 cut-off events. For 131262/131850 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36664 event pairs, 53 based on Foata normal form. 17/2548 useless extension candidates. Maximal degree in co-relation 23577. Up to 430 conditions per place. [2021-03-26 03:50:50,722 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 244 selfloop transitions, 180 changer transitions 11/449 dead transitions. [2021-03-26 03:50:50,722 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 449 transitions, 20118 flow [2021-03-26 03:50:50,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:50,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:50,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:50,723 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:50,723 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:50,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:50,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:50,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:50,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:50,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:50,724 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:50,724 INFO L185 Difference]: Start difference. First operand has 455 places, 443 transitions, 19046 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:50,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 449 transitions, 20118 flow [2021-03-26 03:50:51,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 449 transitions, 19853 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 03:50:51,498 INFO L241 Difference]: Finished difference. Result has 460 places, 432 transitions, 18455 flow [2021-03-26 03:50:51,498 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18781, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18455, PETRI_PLACES=460, PETRI_TRANSITIONS=432} [2021-03-26 03:50:51,498 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 422 predicate places. [2021-03-26 03:50:51,498 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:51,498 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 460 places, 432 transitions, 18455 flow [2021-03-26 03:50:51,499 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 460 places, 432 transitions, 18455 flow [2021-03-26 03:50:51,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 432 transitions, 18455 flow [2021-03-26 03:50:51,914 INFO L129 PetriNetUnfolder]: 161/2489 cut-off events. [2021-03-26 03:50:51,914 INFO L130 PetriNetUnfolder]: For 125755/125922 co-relation queries the response was YES. [2021-03-26 03:50:51,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21758 conditions, 2489 events. 161/2489 cut-off events. For 125755/125922 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 35531 event pairs, 0 based on Foata normal form. 0/2435 useless extension candidates. Maximal degree in co-relation 21615. Up to 322 conditions per place. [2021-03-26 03:50:51,966 INFO L142 LiptonReduction]: Number of co-enabled transitions 2938 [2021-03-26 03:50:51,995 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:51,996 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:51,996 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 498 [2021-03-26 03:50:51,996 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 432 transitions, 18455 flow [2021-03-26 03:50:51,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:51,996 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:51,996 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:51,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-03-26 03:50:51,996 INFO L428 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:51,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:51,996 INFO L82 PathProgramCache]: Analyzing trace with hash 725537740, now seen corresponding path program 94 times [2021-03-26 03:50:51,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:51,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788272219] [2021-03-26 03:50:51,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:52,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:52,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:52,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:52,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:52,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:52,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:52,019 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:52,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:52,039 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:50:52,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:50:52,065 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:50:52,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:50:52,085 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:52,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:52,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:52,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788272219] [2021-03-26 03:50:52,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:52,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:52,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239584726] [2021-03-26 03:50:52,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:52,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:52,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:52,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:52,105 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:52,105 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 432 transitions, 18455 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:52,105 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:52,105 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:52,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:52,828 INFO L129 PetriNetUnfolder]: 214/2582 cut-off events. [2021-03-26 03:50:52,828 INFO L130 PetriNetUnfolder]: For 131332/131928 co-relation queries the response was YES. [2021-03-26 03:50:52,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23501 conditions, 2582 events. 214/2582 cut-off events. For 131332/131928 co-relation queries the response was YES. Maximal size of possible extension queue 455. Compared 35827 event pairs, 53 based on Foata normal form. 17/2506 useless extension candidates. Maximal degree in co-relation 23357. Up to 430 conditions per place. [2021-03-26 03:50:52,861 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 269 selfloop transitions, 153 changer transitions 2/438 dead transitions. [2021-03-26 03:50:52,861 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 438 transitions, 19513 flow [2021-03-26 03:50:52,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:52,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:52,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:52,862 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:52,862 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:52,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:52,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:52,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:52,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:52,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:52,863 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:52,863 INFO L185 Difference]: Start difference. First operand has 454 places, 432 transitions, 18455 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:52,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 438 transitions, 19513 flow [2021-03-26 03:50:53,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 438 transitions, 19021 flow, removed 33 selfloop flow, removed 13 redundant places. [2021-03-26 03:50:53,580 INFO L241 Difference]: Finished difference. Result has 449 places, 430 transitions, 18203 flow [2021-03-26 03:50:53,580 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18011, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18203, PETRI_PLACES=449, PETRI_TRANSITIONS=430} [2021-03-26 03:50:53,580 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 411 predicate places. [2021-03-26 03:50:53,580 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:53,580 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 449 places, 430 transitions, 18203 flow [2021-03-26 03:50:53,581 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 449 places, 430 transitions, 18203 flow [2021-03-26 03:50:53,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 448 places, 430 transitions, 18203 flow [2021-03-26 03:50:53,961 INFO L129 PetriNetUnfolder]: 160/2479 cut-off events. [2021-03-26 03:50:53,961 INFO L130 PetriNetUnfolder]: For 110760/110926 co-relation queries the response was YES. [2021-03-26 03:50:53,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20344 conditions, 2479 events. 160/2479 cut-off events. For 110760/110926 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 35369 event pairs, 0 based on Foata normal form. 0/2427 useless extension candidates. Maximal degree in co-relation 20207. Up to 320 conditions per place. [2021-03-26 03:50:54,010 INFO L142 LiptonReduction]: Number of co-enabled transitions 2920 [2021-03-26 03:50:54,039 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:54,039 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:54,039 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 459 [2021-03-26 03:50:54,039 INFO L480 AbstractCegarLoop]: Abstraction has has 448 places, 430 transitions, 18203 flow [2021-03-26 03:50:54,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:54,039 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:54,039 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:54,040 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-03-26 03:50:54,040 INFO L428 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:54,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:54,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1316103308, now seen corresponding path program 95 times [2021-03-26 03:50:54,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:54,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352808069] [2021-03-26 03:50:54,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:54,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:54,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:54,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:54,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:54,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:54,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:54,057 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:54,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:54,076 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:50:54,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:50:54,103 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:50:54,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:50:54,127 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:54,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:54,145 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 03:50:54,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352808069] [2021-03-26 03:50:54,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:54,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:54,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218771305] [2021-03-26 03:50:54,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:54,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:54,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:54,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:54,146 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:54,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 430 transitions, 18203 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:54,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:54,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:54,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:54,883 INFO L129 PetriNetUnfolder]: 213/2572 cut-off events. [2021-03-26 03:50:54,883 INFO L130 PetriNetUnfolder]: For 115421/116007 co-relation queries the response was YES. [2021-03-26 03:50:54,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22089 conditions, 2572 events. 213/2572 cut-off events. For 115421/116007 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 35616 event pairs, 53 based on Foata normal form. 17/2496 useless extension candidates. Maximal degree in co-relation 21951. Up to 430 conditions per place. [2021-03-26 03:50:54,917 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 261 selfloop transitions, 161 changer transitions 0/436 dead transitions. [2021-03-26 03:50:54,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 436 transitions, 19217 flow [2021-03-26 03:50:54,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:54,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:54,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:54,918 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:54,918 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:54,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:54,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:54,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:54,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:54,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:54,919 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:54,919 INFO L185 Difference]: Start difference. First operand has 448 places, 430 transitions, 18203 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:54,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 436 transitions, 19217 flow [2021-03-26 03:50:55,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 436 transitions, 19062 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-26 03:50:55,575 INFO L241 Difference]: Finished difference. Result has 453 places, 430 transitions, 18381 flow [2021-03-26 03:50:55,576 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18056, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18381, PETRI_PLACES=453, PETRI_TRANSITIONS=430} [2021-03-26 03:50:55,576 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 415 predicate places. [2021-03-26 03:50:55,576 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:55,576 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 453 places, 430 transitions, 18381 flow [2021-03-26 03:50:55,576 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 453 places, 430 transitions, 18381 flow [2021-03-26 03:50:55,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 453 places, 430 transitions, 18381 flow [2021-03-26 03:50:55,958 INFO L129 PetriNetUnfolder]: 160/2478 cut-off events. [2021-03-26 03:50:55,958 INFO L130 PetriNetUnfolder]: For 111721/111888 co-relation queries the response was YES. [2021-03-26 03:50:55,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20542 conditions, 2478 events. 160/2478 cut-off events. For 111721/111888 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 35305 event pairs, 0 based on Foata normal form. 0/2426 useless extension candidates. Maximal degree in co-relation 20405. Up to 320 conditions per place. [2021-03-26 03:50:56,006 INFO L142 LiptonReduction]: Number of co-enabled transitions 2920 [2021-03-26 03:50:56,035 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:56,035 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:56,035 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 459 [2021-03-26 03:50:56,035 INFO L480 AbstractCegarLoop]: Abstraction has has 453 places, 430 transitions, 18381 flow [2021-03-26 03:50:56,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:56,036 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:56,036 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:56,036 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-03-26 03:50:56,036 INFO L428 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:56,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:56,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1402081080, now seen corresponding path program 96 times [2021-03-26 03:50:56,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:56,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703445291] [2021-03-26 03:50:56,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:56,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:56,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:56,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:56,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:56,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:56,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:56,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:56,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:50:56,073 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:50:56,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:50:56,097 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:50:56,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:50:56,119 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:56,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:56,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:56,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703445291] [2021-03-26 03:50:56,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:56,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:56,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544042004] [2021-03-26 03:50:56,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:56,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:56,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:56,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:56,141 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:56,142 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 430 transitions, 18381 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:56,142 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:56,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:56,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:56,928 INFO L129 PetriNetUnfolder]: 213/2571 cut-off events. [2021-03-26 03:50:56,928 INFO L130 PetriNetUnfolder]: For 116099/116693 co-relation queries the response was YES. [2021-03-26 03:50:56,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22286 conditions, 2571 events. 213/2571 cut-off events. For 116099/116693 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 35620 event pairs, 53 based on Foata normal form. 16/2494 useless extension candidates. Maximal degree in co-relation 22148. Up to 430 conditions per place. [2021-03-26 03:50:56,960 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 261 selfloop transitions, 158 changer transitions 3/436 dead transitions. [2021-03-26 03:50:56,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 436 transitions, 19395 flow [2021-03-26 03:50:56,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:56,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:56,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:56,963 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:56,963 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:56,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:56,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:56,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:56,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:56,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:56,964 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:56,964 INFO L185 Difference]: Start difference. First operand has 453 places, 430 transitions, 18381 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:56,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 436 transitions, 19395 flow [2021-03-26 03:50:57,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 436 transitions, 19079 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-26 03:50:57,621 INFO L241 Difference]: Finished difference. Result has 456 places, 427 transitions, 18198 flow [2021-03-26 03:50:57,621 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18065, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18198, PETRI_PLACES=456, PETRI_TRANSITIONS=427} [2021-03-26 03:50:57,621 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 418 predicate places. [2021-03-26 03:50:57,621 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:57,621 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 456 places, 427 transitions, 18198 flow [2021-03-26 03:50:57,621 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 456 places, 427 transitions, 18198 flow [2021-03-26 03:50:57,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 427 transitions, 18198 flow [2021-03-26 03:50:58,014 INFO L129 PetriNetUnfolder]: 159/2462 cut-off events. [2021-03-26 03:50:58,014 INFO L130 PetriNetUnfolder]: For 111812/111991 co-relation queries the response was YES. [2021-03-26 03:50:58,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20673 conditions, 2462 events. 159/2462 cut-off events. For 111812/111991 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 35054 event pairs, 0 based on Foata normal form. 0/2406 useless extension candidates. Maximal degree in co-relation 20537. Up to 318 conditions per place. [2021-03-26 03:50:58,064 INFO L142 LiptonReduction]: Number of co-enabled transitions 2890 [2021-03-26 03:50:58,093 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:58,093 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:58,093 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 472 [2021-03-26 03:50:58,093 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 427 transitions, 18198 flow [2021-03-26 03:50:58,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:58,093 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:58,094 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:58,094 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-03-26 03:50:58,094 INFO L428 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:58,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:58,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1800513136, now seen corresponding path program 97 times [2021-03-26 03:50:58,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:58,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969709938] [2021-03-26 03:50:58,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:58,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:58,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:58,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:58,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:58,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:58,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:58,113 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:58,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:58,131 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:50:58,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:50:58,147 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:50:58,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:50:58,168 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:50:58,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:58,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:58,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969709938] [2021-03-26 03:50:58,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:58,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:50:58,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121095691] [2021-03-26 03:50:58,187 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:50:58,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:58,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:50:58,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:50:58,188 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:50:58,188 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 427 transitions, 18198 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:58,188 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:58,188 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:50:58,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:58,934 INFO L129 PetriNetUnfolder]: 212/2555 cut-off events. [2021-03-26 03:50:58,934 INFO L130 PetriNetUnfolder]: For 116404/117002 co-relation queries the response was YES. [2021-03-26 03:50:58,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22410 conditions, 2555 events. 212/2555 cut-off events. For 116404/117002 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 35373 event pairs, 53 based on Foata normal form. 17/2481 useless extension candidates. Maximal degree in co-relation 22273. Up to 430 conditions per place. [2021-03-26 03:50:58,965 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 270 selfloop transitions, 147 changer transitions 2/433 dead transitions. [2021-03-26 03:50:58,965 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 433 transitions, 19214 flow [2021-03-26 03:50:58,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:50:58,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:50:58,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:50:58,966 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:50:58,966 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:50:58,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:50:58,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:58,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:50:58,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:58,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:58,967 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:58,967 INFO L185 Difference]: Start difference. First operand has 454 places, 427 transitions, 18198 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:50:58,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 433 transitions, 19214 flow [2021-03-26 03:50:59,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 433 transitions, 18899 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 03:50:59,619 INFO L241 Difference]: Finished difference. Result has 457 places, 426 transitions, 18173 flow [2021-03-26 03:50:59,619 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17899, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18173, PETRI_PLACES=457, PETRI_TRANSITIONS=426} [2021-03-26 03:50:59,619 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 419 predicate places. [2021-03-26 03:50:59,619 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:59,620 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 457 places, 426 transitions, 18173 flow [2021-03-26 03:50:59,620 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 457 places, 426 transitions, 18173 flow [2021-03-26 03:50:59,625 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 456 places, 426 transitions, 18173 flow [2021-03-26 03:50:59,992 INFO L129 PetriNetUnfolder]: 158/2452 cut-off events. [2021-03-26 03:50:59,993 INFO L130 PetriNetUnfolder]: For 109799/109965 co-relation queries the response was YES. [2021-03-26 03:51:00,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20372 conditions, 2452 events. 158/2452 cut-off events. For 109799/109965 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34847 event pairs, 0 based on Foata normal form. 0/2401 useless extension candidates. Maximal degree in co-relation 20236. Up to 316 conditions per place. [2021-03-26 03:51:00,095 INFO L142 LiptonReduction]: Number of co-enabled transitions 2888 [2021-03-26 03:51:00,123 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:00,123 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:00,123 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 504 [2021-03-26 03:51:00,123 INFO L480 AbstractCegarLoop]: Abstraction has has 456 places, 426 transitions, 18173 flow [2021-03-26 03:51:00,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:00,124 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:00,124 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:00,124 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-03-26 03:51:00,124 INFO L428 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:00,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:00,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1520729992, now seen corresponding path program 98 times [2021-03-26 03:51:00,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:00,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101306518] [2021-03-26 03:51:00,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:00,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:00,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:00,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:00,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:00,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:00,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:00,158 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:51:00,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:51:00,184 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:51:00,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:51:00,204 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:00,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:00,231 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:00,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:00,250 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 03:51:00,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101306518] [2021-03-26 03:51:00,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:00,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:00,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909324744] [2021-03-26 03:51:00,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:00,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:00,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:00,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:00,251 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:00,251 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 426 transitions, 18173 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:00,251 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:00,251 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:00,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:00,949 INFO L129 PetriNetUnfolder]: 211/2545 cut-off events. [2021-03-26 03:51:00,949 INFO L130 PetriNetUnfolder]: For 114436/115022 co-relation queries the response was YES. [2021-03-26 03:51:00,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22107 conditions, 2545 events. 211/2545 cut-off events. For 114436/115022 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 35228 event pairs, 53 based on Foata normal form. 17/2470 useless extension candidates. Maximal degree in co-relation 21970. Up to 430 conditions per place. [2021-03-26 03:51:00,979 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 270 selfloop transitions, 145 changer transitions 2/431 dead transitions. [2021-03-26 03:51:00,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 431 transitions, 19129 flow [2021-03-26 03:51:00,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:00,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:00,980 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:00,980 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:00,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:00,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:00,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:00,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:00,981 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:00,981 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:00,981 INFO L185 Difference]: Start difference. First operand has 456 places, 426 transitions, 18173 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:00,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 431 transitions, 19129 flow [2021-03-26 03:51:01,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 431 transitions, 18879 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-26 03:51:01,604 INFO L241 Difference]: Finished difference. Result has 460 places, 424 transitions, 18105 flow [2021-03-26 03:51:01,604 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17931, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=145, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18105, PETRI_PLACES=460, PETRI_TRANSITIONS=424} [2021-03-26 03:51:01,604 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 422 predicate places. [2021-03-26 03:51:01,604 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:01,604 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 460 places, 424 transitions, 18105 flow [2021-03-26 03:51:01,604 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 460 places, 424 transitions, 18105 flow [2021-03-26 03:51:01,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 459 places, 424 transitions, 18105 flow [2021-03-26 03:51:01,981 INFO L129 PetriNetUnfolder]: 157/2442 cut-off events. [2021-03-26 03:51:01,982 INFO L130 PetriNetUnfolder]: For 109714/109928 co-relation queries the response was YES. [2021-03-26 03:51:02,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20363 conditions, 2442 events. 157/2442 cut-off events. For 109714/109928 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 34722 event pairs, 0 based on Foata normal form. 0/2387 useless extension candidates. Maximal degree in co-relation 20227. Up to 314 conditions per place. [2021-03-26 03:51:02,029 INFO L142 LiptonReduction]: Number of co-enabled transitions 2878 [2021-03-26 03:51:02,058 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:02,058 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:02,058 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 454 [2021-03-26 03:51:02,058 INFO L480 AbstractCegarLoop]: Abstraction has has 459 places, 424 transitions, 18105 flow [2021-03-26 03:51:02,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:02,059 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:02,059 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:02,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-03-26 03:51:02,059 INFO L428 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:02,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:02,059 INFO L82 PathProgramCache]: Analyzing trace with hash 844136788, now seen corresponding path program 99 times [2021-03-26 03:51:02,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:02,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884333555] [2021-03-26 03:51:02,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:02,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:02,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:02,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:02,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:02,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:02,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:02,099 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:51:02,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:51:02,120 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:51:02,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:51:02,149 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:02,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:02,170 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:02,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:02,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:02,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884333555] [2021-03-26 03:51:02,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:02,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:02,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633903032] [2021-03-26 03:51:02,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:02,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:02,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:02,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:02,198 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:02,199 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 424 transitions, 18105 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:02,199 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:02,199 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:02,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:02,934 INFO L129 PetriNetUnfolder]: 210/2535 cut-off events. [2021-03-26 03:51:02,934 INFO L130 PetriNetUnfolder]: For 113902/114498 co-relation queries the response was YES. [2021-03-26 03:51:02,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22095 conditions, 2535 events. 210/2535 cut-off events. For 113902/114498 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 35007 event pairs, 53 based on Foata normal form. 17/2460 useless extension candidates. Maximal degree in co-relation 21958. Up to 430 conditions per place. [2021-03-26 03:51:02,966 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 259 selfloop transitions, 152 changer transitions 4/429 dead transitions. [2021-03-26 03:51:02,966 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 429 transitions, 19057 flow [2021-03-26 03:51:02,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:02,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:02,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:02,967 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:02,967 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:02,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:02,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:02,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:02,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:02,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:02,968 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:02,968 INFO L185 Difference]: Start difference. First operand has 459 places, 424 transitions, 18105 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:02,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 429 transitions, 19057 flow [2021-03-26 03:51:03,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 429 transitions, 18667 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 03:51:03,617 INFO L241 Difference]: Finished difference. Result has 461 places, 420 transitions, 17776 flow [2021-03-26 03:51:03,617 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17723, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17776, PETRI_PLACES=461, PETRI_TRANSITIONS=420} [2021-03-26 03:51:03,617 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 423 predicate places. [2021-03-26 03:51:03,617 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:03,617 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 461 places, 420 transitions, 17776 flow [2021-03-26 03:51:03,617 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 461 places, 420 transitions, 17776 flow [2021-03-26 03:51:03,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 459 places, 420 transitions, 17776 flow [2021-03-26 03:51:04,039 INFO L129 PetriNetUnfolder]: 156/2425 cut-off events. [2021-03-26 03:51:04,039 INFO L130 PetriNetUnfolder]: For 107394/107560 co-relation queries the response was YES. [2021-03-26 03:51:04,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20071 conditions, 2425 events. 156/2425 cut-off events. For 107394/107560 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 34437 event pairs, 0 based on Foata normal form. 0/2374 useless extension candidates. Maximal degree in co-relation 19935. Up to 312 conditions per place. [2021-03-26 03:51:04,084 INFO L142 LiptonReduction]: Number of co-enabled transitions 2842 [2021-03-26 03:51:04,111 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:04,111 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:04,111 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 494 [2021-03-26 03:51:04,112 INFO L480 AbstractCegarLoop]: Abstraction has has 459 places, 420 transitions, 17776 flow [2021-03-26 03:51:04,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:04,112 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:04,112 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:04,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-03-26 03:51:04,112 INFO L428 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:04,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:04,112 INFO L82 PathProgramCache]: Analyzing trace with hash 694686612, now seen corresponding path program 100 times [2021-03-26 03:51:04,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:04,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756981630] [2021-03-26 03:51:04,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:04,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:04,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:04,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:04,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:04,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:04,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:04,131 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:04,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:04,141 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:51:04,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:51:04,155 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:04,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:04,174 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:04,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:04,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:04,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756981630] [2021-03-26 03:51:04,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:04,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:04,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731358894] [2021-03-26 03:51:04,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:04,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:04,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:04,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:04,193 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:04,193 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 420 transitions, 17776 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:04,193 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:04,193 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:04,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:04,908 INFO L129 PetriNetUnfolder]: 209/2518 cut-off events. [2021-03-26 03:51:04,908 INFO L130 PetriNetUnfolder]: For 112012/112596 co-relation queries the response was YES. [2021-03-26 03:51:04,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21797 conditions, 2518 events. 209/2518 cut-off events. For 112012/112596 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 34719 event pairs, 53 based on Foata normal form. 16/2442 useless extension candidates. Maximal degree in co-relation 21660. Up to 430 conditions per place. [2021-03-26 03:51:04,940 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 142 changer transitions 2/438 dead transitions. [2021-03-26 03:51:04,940 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 438 transitions, 19415 flow [2021-03-26 03:51:04,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:04,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:04,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:04,941 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:04,941 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:04,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:04,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:04,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:04,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:04,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:04,942 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:04,942 INFO L185 Difference]: Start difference. First operand has 459 places, 420 transitions, 17776 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:04,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 438 transitions, 19415 flow [2021-03-26 03:51:05,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 438 transitions, 19086 flow, removed 10 selfloop flow, removed 7 redundant places. [2021-03-26 03:51:05,599 INFO L241 Difference]: Finished difference. Result has 463 places, 427 transitions, 18253 flow [2021-03-26 03:51:05,599 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17477, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18253, PETRI_PLACES=463, PETRI_TRANSITIONS=427} [2021-03-26 03:51:05,599 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 425 predicate places. [2021-03-26 03:51:05,599 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:05,599 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 463 places, 427 transitions, 18253 flow [2021-03-26 03:51:05,599 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 463 places, 427 transitions, 18253 flow [2021-03-26 03:51:05,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 462 places, 427 transitions, 18253 flow [2021-03-26 03:51:05,987 INFO L129 PetriNetUnfolder]: 155/2415 cut-off events. [2021-03-26 03:51:05,987 INFO L130 PetriNetUnfolder]: For 108562/108752 co-relation queries the response was YES. [2021-03-26 03:51:06,012 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19834 conditions, 2415 events. 155/2415 cut-off events. For 108562/108752 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 34243 event pairs, 0 based on Foata normal form. 1/2365 useless extension candidates. Maximal degree in co-relation 19696. Up to 310 conditions per place. [2021-03-26 03:51:06,036 INFO L142 LiptonReduction]: Number of co-enabled transitions 2908 [2021-03-26 03:51:06,066 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:06,066 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:06,066 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 467 [2021-03-26 03:51:06,066 INFO L480 AbstractCegarLoop]: Abstraction has has 462 places, 427 transitions, 18253 flow [2021-03-26 03:51:06,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:06,066 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:06,066 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:06,066 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-03-26 03:51:06,066 INFO L428 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:06,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:06,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1657388968, now seen corresponding path program 101 times [2021-03-26 03:51:06,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:06,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325579370] [2021-03-26 03:51:06,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:06,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:06,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:06,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:06,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:06,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:06,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:06,084 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:06,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:06,094 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:51:06,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:51:06,109 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:06,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:06,128 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:06,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:06,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:06,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325579370] [2021-03-26 03:51:06,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:06,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:06,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215161006] [2021-03-26 03:51:06,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:06,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:06,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:06,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:06,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:06,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 427 transitions, 18253 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:06,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:06,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:06,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:06,896 INFO L129 PetriNetUnfolder]: 208/2508 cut-off events. [2021-03-26 03:51:06,896 INFO L130 PetriNetUnfolder]: For 112698/113284 co-relation queries the response was YES. [2021-03-26 03:51:06,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21558 conditions, 2508 events. 208/2508 cut-off events. For 112698/113284 co-relation queries the response was YES. Maximal size of possible extension queue 439. Compared 34591 event pairs, 53 based on Foata normal form. 16/2427 useless extension candidates. Maximal degree in co-relation 21419. Up to 430 conditions per place. [2021-03-26 03:51:06,928 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 145 changer transitions 0/436 dead transitions. [2021-03-26 03:51:06,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 436 transitions, 19417 flow [2021-03-26 03:51:06,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:06,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:06,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:06,929 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:06,929 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:06,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:06,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:06,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:06,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:06,929 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:06,929 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:06,930 INFO L185 Difference]: Start difference. First operand has 462 places, 427 transitions, 18253 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:06,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 436 transitions, 19417 flow [2021-03-26 03:51:07,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 436 transitions, 19255 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-03-26 03:51:07,591 INFO L241 Difference]: Finished difference. Result has 467 places, 428 transitions, 18463 flow [2021-03-26 03:51:07,592 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18099, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18463, PETRI_PLACES=467, PETRI_TRANSITIONS=428} [2021-03-26 03:51:07,592 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 429 predicate places. [2021-03-26 03:51:07,592 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:07,592 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 467 places, 428 transitions, 18463 flow [2021-03-26 03:51:07,592 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 467 places, 428 transitions, 18463 flow [2021-03-26 03:51:07,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 467 places, 428 transitions, 18463 flow [2021-03-26 03:51:08,005 INFO L129 PetriNetUnfolder]: 155/2414 cut-off events. [2021-03-26 03:51:08,005 INFO L130 PetriNetUnfolder]: For 109045/109213 co-relation queries the response was YES. [2021-03-26 03:51:08,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20010 conditions, 2414 events. 155/2414 cut-off events. For 109045/109213 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 34239 event pairs, 0 based on Foata normal form. 0/2363 useless extension candidates. Maximal degree in co-relation 19872. Up to 310 conditions per place. [2021-03-26 03:51:08,053 INFO L142 LiptonReduction]: Number of co-enabled transitions 2916 [2021-03-26 03:51:08,082 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:08,082 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:08,082 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 490 [2021-03-26 03:51:08,082 INFO L480 AbstractCegarLoop]: Abstraction has has 467 places, 428 transitions, 18463 flow [2021-03-26 03:51:08,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:08,083 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:08,083 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:08,083 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-03-26 03:51:08,083 INFO L428 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:08,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:08,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1912850298, now seen corresponding path program 102 times [2021-03-26 03:51:08,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:08,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881708130] [2021-03-26 03:51:08,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:08,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:08,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:08,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:08,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:08,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:08,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:08,101 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:08,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:08,111 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:51:08,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:51:08,125 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:08,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:08,143 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:08,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:08,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:08,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881708130] [2021-03-26 03:51:08,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:08,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:08,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083870399] [2021-03-26 03:51:08,162 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:08,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:08,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:08,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:08,163 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:08,163 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 428 transitions, 18463 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:08,163 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:08,163 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:08,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:08,898 INFO L129 PetriNetUnfolder]: 208/2507 cut-off events. [2021-03-26 03:51:08,899 INFO L130 PetriNetUnfolder]: For 113224/113822 co-relation queries the response was YES. [2021-03-26 03:51:08,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21733 conditions, 2507 events. 208/2507 cut-off events. For 113224/113822 co-relation queries the response was YES. Maximal size of possible extension queue 439. Compared 34598 event pairs, 53 based on Foata normal form. 17/2427 useless extension candidates. Maximal degree in co-relation 21594. Up to 430 conditions per place. [2021-03-26 03:51:08,932 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 141 changer transitions 1/436 dead transitions. [2021-03-26 03:51:08,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 474 places, 436 transitions, 19562 flow [2021-03-26 03:51:08,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:08,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:08,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:08,933 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:08,933 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:08,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:08,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:08,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:08,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:08,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:08,934 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:08,934 INFO L185 Difference]: Start difference. First operand has 467 places, 428 transitions, 18463 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:08,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 474 places, 436 transitions, 19562 flow [2021-03-26 03:51:09,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 436 transitions, 19184 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-26 03:51:09,579 INFO L241 Difference]: Finished difference. Result has 471 places, 428 transitions, 18381 flow [2021-03-26 03:51:09,579 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18089, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18381, PETRI_PLACES=471, PETRI_TRANSITIONS=428} [2021-03-26 03:51:09,580 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 433 predicate places. [2021-03-26 03:51:09,580 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:09,580 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 471 places, 428 transitions, 18381 flow [2021-03-26 03:51:09,580 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 471 places, 428 transitions, 18381 flow [2021-03-26 03:51:09,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 470 places, 428 transitions, 18381 flow [2021-03-26 03:51:09,955 INFO L129 PetriNetUnfolder]: 154/2405 cut-off events. [2021-03-26 03:51:09,956 INFO L130 PetriNetUnfolder]: For 110288/110485 co-relation queries the response was YES. [2021-03-26 03:51:09,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20066 conditions, 2405 events. 154/2405 cut-off events. For 110288/110485 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 34069 event pairs, 0 based on Foata normal form. 0/2348 useless extension candidates. Maximal degree in co-relation 19926. Up to 308 conditions per place. [2021-03-26 03:51:10,004 INFO L142 LiptonReduction]: Number of co-enabled transitions 2922 [2021-03-26 03:51:10,033 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:10,033 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:10,033 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 453 [2021-03-26 03:51:10,034 INFO L480 AbstractCegarLoop]: Abstraction has has 470 places, 428 transitions, 18381 flow [2021-03-26 03:51:10,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:10,034 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:10,034 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:10,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-03-26 03:51:10,034 INFO L428 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:10,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:10,034 INFO L82 PathProgramCache]: Analyzing trace with hash -905440104, now seen corresponding path program 103 times [2021-03-26 03:51:10,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:10,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550816034] [2021-03-26 03:51:10,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:10,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:10,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:10,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:10,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:10,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:10,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:10,056 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:10,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:10,067 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:51:10,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:51:10,082 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:10,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:10,101 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:10,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:10,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:10,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550816034] [2021-03-26 03:51:10,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:10,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:10,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954135545] [2021-03-26 03:51:10,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:10,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:10,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:10,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:10,132 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:10,132 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 428 transitions, 18381 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:10,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:10,132 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:10,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:10,895 INFO L129 PetriNetUnfolder]: 207/2498 cut-off events. [2021-03-26 03:51:10,895 INFO L130 PetriNetUnfolder]: For 115098/115691 co-relation queries the response was YES. [2021-03-26 03:51:10,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21786 conditions, 2498 events. 207/2498 cut-off events. For 115098/115691 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 34444 event pairs, 53 based on Foata normal form. 17/2418 useless extension candidates. Maximal degree in co-relation 21645. Up to 430 conditions per place. [2021-03-26 03:51:10,941 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 140 changer transitions 4/435 dead transitions. [2021-03-26 03:51:10,941 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 435 transitions, 19432 flow [2021-03-26 03:51:10,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:10,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:10,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:10,942 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:10,942 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:10,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:10,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:10,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:10,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:10,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:10,944 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:10,944 INFO L185 Difference]: Start difference. First operand has 470 places, 428 transitions, 18381 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:10,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 435 transitions, 19432 flow [2021-03-26 03:51:11,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 435 transitions, 19285 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-26 03:51:11,666 INFO L241 Difference]: Finished difference. Result has 476 places, 426 transitions, 18405 flow [2021-03-26 03:51:11,666 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18242, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18405, PETRI_PLACES=476, PETRI_TRANSITIONS=426} [2021-03-26 03:51:11,666 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 438 predicate places. [2021-03-26 03:51:11,666 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:11,667 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 476 places, 426 transitions, 18405 flow [2021-03-26 03:51:11,667 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 476 places, 426 transitions, 18405 flow [2021-03-26 03:51:11,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 474 places, 426 transitions, 18405 flow [2021-03-26 03:51:12,071 INFO L129 PetriNetUnfolder]: 153/2388 cut-off events. [2021-03-26 03:51:12,071 INFO L130 PetriNetUnfolder]: For 110236/110403 co-relation queries the response was YES. [2021-03-26 03:51:12,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20082 conditions, 2388 events. 153/2388 cut-off events. For 110236/110403 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 33814 event pairs, 0 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 19941. Up to 306 conditions per place. [2021-03-26 03:51:12,119 INFO L142 LiptonReduction]: Number of co-enabled transitions 2910 [2021-03-26 03:51:12,147 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:12,147 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:12,147 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 481 [2021-03-26 03:51:12,147 INFO L480 AbstractCegarLoop]: Abstraction has has 474 places, 426 transitions, 18405 flow [2021-03-26 03:51:12,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:12,147 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:12,147 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:12,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-03-26 03:51:12,147 INFO L428 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:12,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:12,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1374994720, now seen corresponding path program 104 times [2021-03-26 03:51:12,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:12,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221063497] [2021-03-26 03:51:12,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:12,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:12,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:12,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:12,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:12,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:12,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:12,168 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:12,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:12,178 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:51:12,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:51:12,191 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:12,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:12,210 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:12,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:12,228 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 03:51:12,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221063497] [2021-03-26 03:51:12,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:12,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:12,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835216063] [2021-03-26 03:51:12,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:12,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:12,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:12,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:12,229 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:12,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 426 transitions, 18405 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:12,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:12,229 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:12,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:12,939 INFO L129 PetriNetUnfolder]: 206/2481 cut-off events. [2021-03-26 03:51:12,939 INFO L130 PetriNetUnfolder]: For 114866/115469 co-relation queries the response was YES. [2021-03-26 03:51:12,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21796 conditions, 2481 events. 206/2481 cut-off events. For 114866/115469 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 34159 event pairs, 53 based on Foata normal form. 17/2401 useless extension candidates. Maximal degree in co-relation 21654. Up to 430 conditions per place. [2021-03-26 03:51:12,970 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 137 changer transitions 2/431 dead transitions. [2021-03-26 03:51:12,970 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 431 transitions, 19358 flow [2021-03-26 03:51:12,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:12,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:12,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:12,971 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:12,971 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:12,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:12,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:12,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:12,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:12,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:12,972 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:12,972 INFO L185 Difference]: Start difference. First operand has 474 places, 426 transitions, 18405 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:12,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 431 transitions, 19358 flow [2021-03-26 03:51:13,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 431 transitions, 19006 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-03-26 03:51:13,631 INFO L241 Difference]: Finished difference. Result has 475 places, 425 transitions, 18311 flow [2021-03-26 03:51:13,632 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18069, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18311, PETRI_PLACES=475, PETRI_TRANSITIONS=425} [2021-03-26 03:51:13,632 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 437 predicate places. [2021-03-26 03:51:13,632 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:13,632 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 475 places, 425 transitions, 18311 flow [2021-03-26 03:51:13,632 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 475 places, 425 transitions, 18311 flow [2021-03-26 03:51:13,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 474 places, 425 transitions, 18311 flow [2021-03-26 03:51:14,016 INFO L129 PetriNetUnfolder]: 152/2378 cut-off events. [2021-03-26 03:51:14,017 INFO L130 PetriNetUnfolder]: For 108600/108777 co-relation queries the response was YES. [2021-03-26 03:51:14,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19736 conditions, 2378 events. 152/2378 cut-off events. For 108600/108777 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 33669 event pairs, 0 based on Foata normal form. 0/2324 useless extension candidates. Maximal degree in co-relation 19596. Up to 304 conditions per place. [2021-03-26 03:51:14,063 INFO L142 LiptonReduction]: Number of co-enabled transitions 2914 [2021-03-26 03:51:14,092 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:14,092 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:14,092 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 460 [2021-03-26 03:51:14,092 INFO L480 AbstractCegarLoop]: Abstraction has has 474 places, 425 transitions, 18311 flow [2021-03-26 03:51:14,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:14,093 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:14,093 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:14,093 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-03-26 03:51:14,093 INFO L428 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:14,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:14,093 INFO L82 PathProgramCache]: Analyzing trace with hash 167645276, now seen corresponding path program 105 times [2021-03-26 03:51:14,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:14,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406104146] [2021-03-26 03:51:14,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:14,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:14,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:14,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:14,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:14,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:14,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:14,121 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:14,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:14,131 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:51:14,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:51:14,144 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:14,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:14,163 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:14,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:14,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406104146] [2021-03-26 03:51:14,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:14,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:14,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448842384] [2021-03-26 03:51:14,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:14,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:14,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:14,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:14,183 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:14,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 425 transitions, 18311 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:14,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:14,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:14,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:14,904 INFO L129 PetriNetUnfolder]: 205/2471 cut-off events. [2021-03-26 03:51:14,905 INFO L130 PetriNetUnfolder]: For 113225/113816 co-relation queries the response was YES. [2021-03-26 03:51:14,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21448 conditions, 2471 events. 205/2471 cut-off events. For 113225/113816 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 33960 event pairs, 53 based on Foata normal form. 16/2390 useless extension candidates. Maximal degree in co-relation 21307. Up to 430 conditions per place. [2021-03-26 03:51:14,936 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 136 changer transitions 2/429 dead transitions. [2021-03-26 03:51:14,936 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 429 transitions, 19213 flow [2021-03-26 03:51:14,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:14,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:14,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:14,937 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:14,937 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:14,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:14,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:14,937 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:14,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:14,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:14,938 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:14,938 INFO L185 Difference]: Start difference. First operand has 474 places, 425 transitions, 18311 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:14,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 429 transitions, 19213 flow [2021-03-26 03:51:15,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 429 transitions, 18974 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 03:51:15,654 INFO L241 Difference]: Finished difference. Result has 478 places, 423 transitions, 18240 flow [2021-03-26 03:51:15,654 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18080, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18240, PETRI_PLACES=478, PETRI_TRANSITIONS=423} [2021-03-26 03:51:15,654 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 440 predicate places. [2021-03-26 03:51:15,654 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:15,654 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 478 places, 423 transitions, 18240 flow [2021-03-26 03:51:15,655 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 478 places, 423 transitions, 18240 flow [2021-03-26 03:51:15,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 477 places, 423 transitions, 18240 flow [2021-03-26 03:51:16,044 INFO L129 PetriNetUnfolder]: 151/2368 cut-off events. [2021-03-26 03:51:16,044 INFO L130 PetriNetUnfolder]: For 108462/108629 co-relation queries the response was YES. [2021-03-26 03:51:16,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19720 conditions, 2368 events. 151/2368 cut-off events. For 108462/108629 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 33493 event pairs, 0 based on Foata normal form. 0/2315 useless extension candidates. Maximal degree in co-relation 19580. Up to 302 conditions per place. [2021-03-26 03:51:16,093 INFO L142 LiptonReduction]: Number of co-enabled transitions 2902 [2021-03-26 03:51:16,121 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:16,121 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:16,121 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 467 [2021-03-26 03:51:16,121 INFO L480 AbstractCegarLoop]: Abstraction has has 477 places, 423 transitions, 18240 flow [2021-03-26 03:51:16,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:16,121 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:16,121 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:16,122 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-03-26 03:51:16,122 INFO L428 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:16,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:16,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1101702052, now seen corresponding path program 106 times [2021-03-26 03:51:16,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:16,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103883425] [2021-03-26 03:51:16,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:16,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:16,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:16,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:16,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:16,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:16,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:16,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:16,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:51:16,150 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 03:51:16,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:51:16,174 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:16,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:16,193 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:16,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:16,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:16,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103883425] [2021-03-26 03:51:16,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:16,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:16,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537423899] [2021-03-26 03:51:16,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:16,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:16,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:16,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:16,212 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:16,213 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 423 transitions, 18240 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:16,213 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:16,213 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:16,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:16,949 INFO L129 PetriNetUnfolder]: 204/2461 cut-off events. [2021-03-26 03:51:16,949 INFO L130 PetriNetUnfolder]: For 112831/113432 co-relation queries the response was YES. [2021-03-26 03:51:16,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21429 conditions, 2461 events. 204/2461 cut-off events. For 112831/113432 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 33848 event pairs, 53 based on Foata normal form. 16/2380 useless extension candidates. Maximal degree in co-relation 21288. Up to 417 conditions per place. [2021-03-26 03:51:16,981 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 288 selfloop transitions, 138 changer transitions 2/442 dead transitions. [2021-03-26 03:51:16,981 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 484 places, 442 transitions, 19838 flow [2021-03-26 03:51:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:16,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:16,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:16,982 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:16,982 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:16,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:16,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:16,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:16,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:16,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:16,983 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:16,983 INFO L185 Difference]: Start difference. First operand has 477 places, 423 transitions, 18240 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:16,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 484 places, 442 transitions, 19838 flow [2021-03-26 03:51:17,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 442 transitions, 19498 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 03:51:17,678 INFO L241 Difference]: Finished difference. Result has 479 places, 421 transitions, 18109 flow [2021-03-26 03:51:17,678 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17938, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18109, PETRI_PLACES=479, PETRI_TRANSITIONS=421} [2021-03-26 03:51:17,678 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 441 predicate places. [2021-03-26 03:51:17,678 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:17,678 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 479 places, 421 transitions, 18109 flow [2021-03-26 03:51:17,679 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 479 places, 421 transitions, 18109 flow [2021-03-26 03:51:17,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 478 places, 421 transitions, 18109 flow [2021-03-26 03:51:18,059 INFO L129 PetriNetUnfolder]: 150/2358 cut-off events. [2021-03-26 03:51:18,060 INFO L130 PetriNetUnfolder]: For 108756/108957 co-relation queries the response was YES. [2021-03-26 03:51:18,083 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19626 conditions, 2358 events. 150/2358 cut-off events. For 108756/108957 co-relation queries the response was YES. Maximal size of possible extension queue 427. Compared 33336 event pairs, 0 based on Foata normal form. 0/2304 useless extension candidates. Maximal degree in co-relation 19486. Up to 300 conditions per place. [2021-03-26 03:51:18,106 INFO L142 LiptonReduction]: Number of co-enabled transitions 2888 [2021-03-26 03:51:18,134 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:18,134 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:18,134 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 456 [2021-03-26 03:51:18,134 INFO L480 AbstractCegarLoop]: Abstraction has has 478 places, 421 transitions, 18109 flow [2021-03-26 03:51:18,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:18,134 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:18,135 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:18,135 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-03-26 03:51:18,135 INFO L428 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:18,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:18,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1253941404, now seen corresponding path program 107 times [2021-03-26 03:51:18,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:18,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293267278] [2021-03-26 03:51:18,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:18,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:18,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:18,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:18,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:18,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:18,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:18,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:18,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:51:18,164 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:51:18,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:51:18,178 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:18,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:18,197 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:18,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:18,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:18,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293267278] [2021-03-26 03:51:18,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:18,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:18,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753939060] [2021-03-26 03:51:18,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:18,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:18,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:18,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:18,218 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:18,219 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 421 transitions, 18109 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:18,219 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:18,219 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:18,219 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:18,939 INFO L129 PetriNetUnfolder]: 203/2451 cut-off events. [2021-03-26 03:51:18,939 INFO L130 PetriNetUnfolder]: For 112828/113442 co-relation queries the response was YES. [2021-03-26 03:51:18,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21332 conditions, 2451 events. 203/2451 cut-off events. For 112828/113442 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 33690 event pairs, 53 based on Foata normal form. 17/2371 useless extension candidates. Maximal degree in co-relation 21191. Up to 417 conditions per place. [2021-03-26 03:51:18,971 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 289 selfloop transitions, 135 changer transitions 2/440 dead transitions. [2021-03-26 03:51:18,971 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 440 transitions, 19673 flow [2021-03-26 03:51:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:18,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:18,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:18,972 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:18,972 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:18,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:18,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:18,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:18,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:18,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:18,973 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:18,973 INFO L185 Difference]: Start difference. First operand has 478 places, 421 transitions, 18109 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:18,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 440 transitions, 19673 flow [2021-03-26 03:51:19,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 440 transitions, 19461 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-26 03:51:19,647 INFO L241 Difference]: Finished difference. Result has 483 places, 424 transitions, 18365 flow [2021-03-26 03:51:19,647 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17905, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18365, PETRI_PLACES=483, PETRI_TRANSITIONS=424} [2021-03-26 03:51:19,647 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 445 predicate places. [2021-03-26 03:51:19,647 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:19,647 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 483 places, 424 transitions, 18365 flow [2021-03-26 03:51:19,647 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 483 places, 424 transitions, 18365 flow [2021-03-26 03:51:19,653 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 482 places, 424 transitions, 18365 flow [2021-03-26 03:51:20,024 INFO L129 PetriNetUnfolder]: 149/2348 cut-off events. [2021-03-26 03:51:20,025 INFO L130 PetriNetUnfolder]: For 109368/109540 co-relation queries the response was YES. [2021-03-26 03:51:20,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19657 conditions, 2348 events. 149/2348 cut-off events. For 109368/109540 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 33239 event pairs, 0 based on Foata normal form. 0/2295 useless extension candidates. Maximal degree in co-relation 19516. Up to 298 conditions per place. [2021-03-26 03:51:20,071 INFO L142 LiptonReduction]: Number of co-enabled transitions 2924 [2021-03-26 03:51:20,099 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:20,099 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:20,099 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 452 [2021-03-26 03:51:20,099 INFO L480 AbstractCegarLoop]: Abstraction has has 482 places, 424 transitions, 18365 flow [2021-03-26 03:51:20,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:20,100 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:20,100 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:20,100 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-03-26 03:51:20,100 INFO L428 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:20,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:20,100 INFO L82 PathProgramCache]: Analyzing trace with hash -456671904, now seen corresponding path program 108 times [2021-03-26 03:51:20,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:20,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703463404] [2021-03-26 03:51:20,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:20,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:20,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:20,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:20,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:20,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:20,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:20,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:20,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:51:20,132 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:51:20,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:51:20,146 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:20,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:20,165 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:20,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:20,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:20,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703463404] [2021-03-26 03:51:20,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:20,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:20,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742793385] [2021-03-26 03:51:20,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:20,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:20,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:20,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:20,183 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:20,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 424 transitions, 18365 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:20,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:20,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:20,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:20,882 INFO L129 PetriNetUnfolder]: 202/2441 cut-off events. [2021-03-26 03:51:20,883 INFO L130 PetriNetUnfolder]: For 113818/114429 co-relation queries the response was YES. [2021-03-26 03:51:20,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21360 conditions, 2441 events. 202/2441 cut-off events. For 113818/114429 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 33492 event pairs, 53 based on Foata normal form. 17/2366 useless extension candidates. Maximal degree in co-relation 21218. Up to 417 conditions per place. [2021-03-26 03:51:20,913 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 286 selfloop transitions, 136 changer transitions 2/438 dead transitions. [2021-03-26 03:51:20,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 438 transitions, 19691 flow [2021-03-26 03:51:20,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:20,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:20,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:20,914 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:20,914 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:20,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:20,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:20,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:20,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:20,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:20,915 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:20,915 INFO L185 Difference]: Start difference. First operand has 482 places, 424 transitions, 18365 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:20,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 438 transitions, 19691 flow [2021-03-26 03:51:21,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 438 transitions, 19554 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-26 03:51:21,588 INFO L241 Difference]: Finished difference. Result has 487 places, 422 transitions, 18403 flow [2021-03-26 03:51:21,588 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18236, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18403, PETRI_PLACES=487, PETRI_TRANSITIONS=422} [2021-03-26 03:51:21,588 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 449 predicate places. [2021-03-26 03:51:21,588 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:21,588 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 487 places, 422 transitions, 18403 flow [2021-03-26 03:51:21,588 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 487 places, 422 transitions, 18403 flow [2021-03-26 03:51:21,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 486 places, 422 transitions, 18403 flow [2021-03-26 03:51:21,953 INFO L129 PetriNetUnfolder]: 148/2338 cut-off events. [2021-03-26 03:51:21,953 INFO L130 PetriNetUnfolder]: For 110056/110246 co-relation queries the response was YES. [2021-03-26 03:51:21,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19771 conditions, 2338 events. 148/2338 cut-off events. For 110056/110246 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 33051 event pairs, 0 based on Foata normal form. 0/2284 useless extension candidates. Maximal degree in co-relation 19630. Up to 296 conditions per place. [2021-03-26 03:51:22,000 INFO L142 LiptonReduction]: Number of co-enabled transitions 2920 [2021-03-26 03:51:22,028 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:22,028 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:22,028 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 440 [2021-03-26 03:51:22,028 INFO L480 AbstractCegarLoop]: Abstraction has has 486 places, 422 transitions, 18403 flow [2021-03-26 03:51:22,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:22,029 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:22,029 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:22,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-03-26 03:51:22,029 INFO L428 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:22,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:22,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1967940512, now seen corresponding path program 109 times [2021-03-26 03:51:22,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:22,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315724961] [2021-03-26 03:51:22,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:22,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:22,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:22,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:22,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:22,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:22,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:22,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:22,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:51:22,055 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:51:22,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:51:22,068 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:22,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:22,087 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:22,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:22,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:22,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315724961] [2021-03-26 03:51:22,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:22,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:22,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418945078] [2021-03-26 03:51:22,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:22,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:22,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:22,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:22,106 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:22,106 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 422 transitions, 18403 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:22,106 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:22,106 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:22,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:22,811 INFO L129 PetriNetUnfolder]: 201/2431 cut-off events. [2021-03-26 03:51:22,811 INFO L130 PetriNetUnfolder]: For 114214/114849 co-relation queries the response was YES. [2021-03-26 03:51:22,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21471 conditions, 2431 events. 201/2431 cut-off events. For 114214/114849 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 33355 event pairs, 53 based on Foata normal form. 17/2361 useless extension candidates. Maximal degree in co-relation 21329. Up to 417 conditions per place. [2021-03-26 03:51:22,840 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 284 selfloop transitions, 138 changer transitions 0/436 dead transitions. [2021-03-26 03:51:22,841 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 436 transitions, 19725 flow [2021-03-26 03:51:22,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:22,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:22,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:22,841 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:22,841 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:22,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:22,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:22,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:22,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:22,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:22,842 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:22,842 INFO L185 Difference]: Start difference. First operand has 486 places, 422 transitions, 18403 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:22,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 436 transitions, 19725 flow [2021-03-26 03:51:23,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 436 transitions, 19463 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 03:51:23,516 INFO L241 Difference]: Finished difference. Result has 489 places, 422 transitions, 18428 flow [2021-03-26 03:51:23,516 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18149, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18428, PETRI_PLACES=489, PETRI_TRANSITIONS=422} [2021-03-26 03:51:23,516 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 451 predicate places. [2021-03-26 03:51:23,517 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:23,517 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 489 places, 422 transitions, 18428 flow [2021-03-26 03:51:23,517 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 489 places, 422 transitions, 18428 flow [2021-03-26 03:51:23,522 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 489 places, 422 transitions, 18428 flow [2021-03-26 03:51:23,877 INFO L129 PetriNetUnfolder]: 148/2337 cut-off events. [2021-03-26 03:51:23,877 INFO L130 PetriNetUnfolder]: For 109654/109826 co-relation queries the response was YES. [2021-03-26 03:51:23,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19782 conditions, 2337 events. 148/2337 cut-off events. For 109654/109826 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 33059 event pairs, 0 based on Foata normal form. 0/2285 useless extension candidates. Maximal degree in co-relation 19641. Up to 296 conditions per place. [2021-03-26 03:51:23,925 INFO L142 LiptonReduction]: Number of co-enabled transitions 2920 [2021-03-26 03:51:23,952 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:23,952 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:23,953 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 436 [2021-03-26 03:51:23,953 INFO L480 AbstractCegarLoop]: Abstraction has has 489 places, 422 transitions, 18428 flow [2021-03-26 03:51:23,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:23,953 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:23,953 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:23,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-03-26 03:51:23,953 INFO L428 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:23,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:23,953 INFO L82 PathProgramCache]: Analyzing trace with hash 109113996, now seen corresponding path program 110 times [2021-03-26 03:51:23,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:23,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479378202] [2021-03-26 03:51:23,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:23,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:23,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:23,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:23,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:23,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:23,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:23,985 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:23,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:23,995 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:51:23,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:51:24,009 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:24,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:24,029 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:24,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:24,046 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 03:51:24,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479378202] [2021-03-26 03:51:24,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:24,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:24,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707986607] [2021-03-26 03:51:24,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:24,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:24,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:24,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:24,047 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:24,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 422 transitions, 18428 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:24,047 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:24,048 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:24,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:24,740 INFO L129 PetriNetUnfolder]: 201/2430 cut-off events. [2021-03-26 03:51:24,740 INFO L130 PetriNetUnfolder]: For 114034/114634 co-relation queries the response was YES. [2021-03-26 03:51:24,765 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21481 conditions, 2430 events. 201/2430 cut-off events. For 114034/114634 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 33314 event pairs, 53 based on Foata normal form. 16/2350 useless extension candidates. Maximal degree in co-relation 21339. Up to 417 conditions per place. [2021-03-26 03:51:24,769 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 284 selfloop transitions, 137 changer transitions 1/436 dead transitions. [2021-03-26 03:51:24,770 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 436 transitions, 19750 flow [2021-03-26 03:51:24,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:24,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:24,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:24,770 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:24,770 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:24,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:24,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:24,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:24,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:24,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:24,772 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:24,772 INFO L185 Difference]: Start difference. First operand has 489 places, 422 transitions, 18428 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:24,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 436 transitions, 19750 flow [2021-03-26 03:51:25,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 436 transitions, 19498 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-26 03:51:25,450 INFO L241 Difference]: Finished difference. Result has 494 places, 431 transitions, 18905 flow [2021-03-26 03:51:25,450 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18176, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18905, PETRI_PLACES=494, PETRI_TRANSITIONS=431} [2021-03-26 03:51:25,450 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 456 predicate places. [2021-03-26 03:51:25,450 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:25,450 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 494 places, 431 transitions, 18905 flow [2021-03-26 03:51:25,450 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 494 places, 431 transitions, 18905 flow [2021-03-26 03:51:25,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 493 places, 431 transitions, 18905 flow [2021-03-26 03:51:25,826 INFO L129 PetriNetUnfolder]: 147/2328 cut-off events. [2021-03-26 03:51:25,826 INFO L130 PetriNetUnfolder]: For 113212/113428 co-relation queries the response was YES. [2021-03-26 03:51:25,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20113 conditions, 2328 events. 147/2328 cut-off events. For 113212/113428 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 32836 event pairs, 0 based on Foata normal form. 0/2273 useless extension candidates. Maximal degree in co-relation 19971. Up to 294 conditions per place. [2021-03-26 03:51:25,876 INFO L142 LiptonReduction]: Number of co-enabled transitions 3006 [2021-03-26 03:51:25,905 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:25,906 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:25,906 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 456 [2021-03-26 03:51:25,906 INFO L480 AbstractCegarLoop]: Abstraction has has 493 places, 431 transitions, 18905 flow [2021-03-26 03:51:25,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:25,906 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:25,906 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:25,906 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-03-26 03:51:25,906 INFO L428 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:25,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:25,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1919120356, now seen corresponding path program 111 times [2021-03-26 03:51:25,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:25,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390135277] [2021-03-26 03:51:25,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:25,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:25,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:25,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:25,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:25,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:25,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:25,928 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:25,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:25,938 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:51:25,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:51:25,951 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:25,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:25,970 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:25,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:25,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:25,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390135277] [2021-03-26 03:51:25,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:25,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:25,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335343252] [2021-03-26 03:51:25,988 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:25,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:25,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:25,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:25,988 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:25,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 431 transitions, 18905 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:25,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:25,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:25,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:26,730 INFO L129 PetriNetUnfolder]: 200/2421 cut-off events. [2021-03-26 03:51:26,730 INFO L130 PetriNetUnfolder]: For 117598/118207 co-relation queries the response was YES. [2021-03-26 03:51:26,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21809 conditions, 2421 events. 200/2421 cut-off events. For 117598/118207 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 33204 event pairs, 53 based on Foata normal form. 16/2349 useless extension candidates. Maximal degree in co-relation 21666. Up to 417 conditions per place. [2021-03-26 03:51:26,760 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 284 selfloop transitions, 135 changer transitions 2/435 dead transitions. [2021-03-26 03:51:26,760 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 435 transitions, 19827 flow [2021-03-26 03:51:26,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:26,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:26,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:26,761 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:26,761 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:26,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:26,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:26,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:26,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:26,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:26,762 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:26,762 INFO L185 Difference]: Start difference. First operand has 493 places, 431 transitions, 18905 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:26,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 500 places, 435 transitions, 19827 flow [2021-03-26 03:51:27,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 435 transitions, 19628 flow, removed 20 selfloop flow, removed 5 redundant places. [2021-03-26 03:51:27,480 INFO L241 Difference]: Finished difference. Result has 496 places, 429 transitions, 18871 flow [2021-03-26 03:51:27,480 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18714, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18871, PETRI_PLACES=496, PETRI_TRANSITIONS=429} [2021-03-26 03:51:27,480 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 458 predicate places. [2021-03-26 03:51:27,480 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:27,480 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 496 places, 429 transitions, 18871 flow [2021-03-26 03:51:27,480 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 496 places, 429 transitions, 18871 flow [2021-03-26 03:51:27,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 495 places, 429 transitions, 18871 flow [2021-03-26 03:51:27,859 INFO L129 PetriNetUnfolder]: 146/2318 cut-off events. [2021-03-26 03:51:27,859 INFO L130 PetriNetUnfolder]: For 111725/111897 co-relation queries the response was YES. [2021-03-26 03:51:27,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20187 conditions, 2318 events. 146/2318 cut-off events. For 111725/111897 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 32742 event pairs, 0 based on Foata normal form. 0/2266 useless extension candidates. Maximal degree in co-relation 20047. Up to 292 conditions per place. [2021-03-26 03:51:27,907 INFO L142 LiptonReduction]: Number of co-enabled transitions 2996 [2021-03-26 03:51:27,936 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:27,937 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:27,937 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 457 [2021-03-26 03:51:27,937 INFO L480 AbstractCegarLoop]: Abstraction has has 495 places, 429 transitions, 18871 flow [2021-03-26 03:51:27,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:27,937 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:27,937 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:27,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-03-26 03:51:27,937 INFO L428 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:27,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:27,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1582324286, now seen corresponding path program 112 times [2021-03-26 03:51:27,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:27,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089695812] [2021-03-26 03:51:27,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:27,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:27,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:27,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:27,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:27,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:27,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:27,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:27,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:51:27,964 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:51:27,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:51:27,978 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:27,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:27,998 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:27,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:28,018 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 03:51:28,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089695812] [2021-03-26 03:51:28,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:28,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:28,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389305332] [2021-03-26 03:51:28,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:28,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:28,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:28,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:28,019 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:28,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 429 transitions, 18871 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:28,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:28,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:28,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:28,741 INFO L129 PetriNetUnfolder]: 199/2411 cut-off events. [2021-03-26 03:51:28,741 INFO L130 PetriNetUnfolder]: For 116166/116780 co-relation queries the response was YES. [2021-03-26 03:51:28,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21880 conditions, 2411 events. 199/2411 cut-off events. For 116166/116780 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 32996 event pairs, 53 based on Foata normal form. 17/2331 useless extension candidates. Maximal degree in co-relation 21739. Up to 417 conditions per place. [2021-03-26 03:51:28,771 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 283 selfloop transitions, 133 changer transitions 3/433 dead transitions. [2021-03-26 03:51:28,771 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 433 transitions, 19789 flow [2021-03-26 03:51:28,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:28,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:28,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:28,772 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:28,772 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:28,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:28,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:28,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:28,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:28,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:28,773 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:28,773 INFO L185 Difference]: Start difference. First operand has 495 places, 429 transitions, 18871 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:28,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 433 transitions, 19789 flow [2021-03-26 03:51:29,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 433 transitions, 19527 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 03:51:29,453 INFO L241 Difference]: Finished difference. Result has 498 places, 426 transitions, 18704 flow [2021-03-26 03:51:29,453 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18617, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18704, PETRI_PLACES=498, PETRI_TRANSITIONS=426} [2021-03-26 03:51:29,454 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 460 predicate places. [2021-03-26 03:51:29,454 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:29,454 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 498 places, 426 transitions, 18704 flow [2021-03-26 03:51:29,454 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 498 places, 426 transitions, 18704 flow [2021-03-26 03:51:29,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 496 places, 426 transitions, 18704 flow [2021-03-26 03:51:29,832 INFO L129 PetriNetUnfolder]: 145/2302 cut-off events. [2021-03-26 03:51:29,832 INFO L130 PetriNetUnfolder]: For 110515/110712 co-relation queries the response was YES. [2021-03-26 03:51:29,858 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20030 conditions, 2302 events. 145/2302 cut-off events. For 110515/110712 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 32408 event pairs, 0 based on Foata normal form. 1/2252 useless extension candidates. Maximal degree in co-relation 19890. Up to 290 conditions per place. [2021-03-26 03:51:29,883 INFO L142 LiptonReduction]: Number of co-enabled transitions 2972 [2021-03-26 03:51:29,913 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:29,913 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:29,913 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 459 [2021-03-26 03:51:29,913 INFO L480 AbstractCegarLoop]: Abstraction has has 496 places, 426 transitions, 18704 flow [2021-03-26 03:51:29,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:29,913 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:29,914 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:29,914 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-03-26 03:51:29,914 INFO L428 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:29,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:29,914 INFO L82 PathProgramCache]: Analyzing trace with hash 308179398, now seen corresponding path program 113 times [2021-03-26 03:51:29,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:29,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566455318] [2021-03-26 03:51:29,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:29,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:29,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:29,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:29,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:29,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:29,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:29,934 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:29,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:29,946 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:51:29,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:51:29,962 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:29,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:29,984 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:29,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:30,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:30,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566455318] [2021-03-26 03:51:30,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:30,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:30,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912422136] [2021-03-26 03:51:30,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:30,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:30,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:30,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:30,006 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:30,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 426 transitions, 18704 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:30,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:30,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:30,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:30,733 INFO L129 PetriNetUnfolder]: 198/2395 cut-off events. [2021-03-26 03:51:30,733 INFO L130 PetriNetUnfolder]: For 115088/115696 co-relation queries the response was YES. [2021-03-26 03:51:30,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21717 conditions, 2395 events. 198/2395 cut-off events. For 115088/115696 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 32767 event pairs, 53 based on Foata normal form. 17/2317 useless extension candidates. Maximal degree in co-relation 21576. Up to 417 conditions per place. [2021-03-26 03:51:30,764 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 136 changer transitions 0/430 dead transitions. [2021-03-26 03:51:30,764 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 503 places, 430 transitions, 19616 flow [2021-03-26 03:51:30,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:30,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:30,765 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:30,765 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:30,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:30,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:30,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:30,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:30,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:30,766 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:30,766 INFO L185 Difference]: Start difference. First operand has 496 places, 426 transitions, 18704 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:30,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 503 places, 430 transitions, 19616 flow [2021-03-26 03:51:31,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 430 transitions, 19343 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-03-26 03:51:31,530 INFO L241 Difference]: Finished difference. Result has 498 places, 426 transitions, 18722 flow [2021-03-26 03:51:31,530 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18447, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18722, PETRI_PLACES=498, PETRI_TRANSITIONS=426} [2021-03-26 03:51:31,530 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 460 predicate places. [2021-03-26 03:51:31,530 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:31,530 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 498 places, 426 transitions, 18722 flow [2021-03-26 03:51:31,530 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 498 places, 426 transitions, 18722 flow [2021-03-26 03:51:31,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 498 places, 426 transitions, 18722 flow [2021-03-26 03:51:31,903 INFO L129 PetriNetUnfolder]: 145/2301 cut-off events. [2021-03-26 03:51:31,903 INFO L130 PetriNetUnfolder]: For 108643/108815 co-relation queries the response was YES. [2021-03-26 03:51:31,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19795 conditions, 2301 events. 145/2301 cut-off events. For 108643/108815 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 32410 event pairs, 0 based on Foata normal form. 0/2250 useless extension candidates. Maximal degree in co-relation 19656. Up to 290 conditions per place. [2021-03-26 03:51:31,950 INFO L142 LiptonReduction]: Number of co-enabled transitions 2972 [2021-03-26 03:51:31,980 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:31,980 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:31,980 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 450 [2021-03-26 03:51:31,980 INFO L480 AbstractCegarLoop]: Abstraction has has 498 places, 426 transitions, 18722 flow [2021-03-26 03:51:31,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:31,980 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:31,980 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:31,981 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-03-26 03:51:31,981 INFO L428 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:31,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:31,981 INFO L82 PathProgramCache]: Analyzing trace with hash -852842716, now seen corresponding path program 114 times [2021-03-26 03:51:31,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:31,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138285723] [2021-03-26 03:51:31,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:31,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:31,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:31,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:31,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:31,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:31,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:32,000 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:32,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:32,010 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:51:32,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:51:32,023 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:32,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:32,042 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:32,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:32,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:32,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138285723] [2021-03-26 03:51:32,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:32,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:32,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240518621] [2021-03-26 03:51:32,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:32,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:32,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:32,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:32,061 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:32,061 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 498 places, 426 transitions, 18722 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:32,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:32,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:32,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:32,773 INFO L129 PetriNetUnfolder]: 198/2394 cut-off events. [2021-03-26 03:51:32,773 INFO L130 PetriNetUnfolder]: For 112880/113513 co-relation queries the response was YES. [2021-03-26 03:51:32,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21482 conditions, 2394 events. 198/2394 cut-off events. For 112880/113513 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 32691 event pairs, 53 based on Foata normal form. 16/2314 useless extension candidates. Maximal degree in co-relation 21342. Up to 417 conditions per place. [2021-03-26 03:51:32,803 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 279 selfloop transitions, 135 changer transitions 2/430 dead transitions. [2021-03-26 03:51:32,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 430 transitions, 19626 flow [2021-03-26 03:51:32,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:32,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:32,804 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:32,804 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:32,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:32,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:32,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:32,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:32,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:32,805 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:32,805 INFO L185 Difference]: Start difference. First operand has 498 places, 426 transitions, 18722 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:32,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 430 transitions, 19626 flow [2021-03-26 03:51:33,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 430 transitions, 19509 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 03:51:33,525 INFO L241 Difference]: Finished difference. Result has 504 places, 424 transitions, 18761 flow [2021-03-26 03:51:33,526 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18605, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18761, PETRI_PLACES=504, PETRI_TRANSITIONS=424} [2021-03-26 03:51:33,526 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 466 predicate places. [2021-03-26 03:51:33,526 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:33,526 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 504 places, 424 transitions, 18761 flow [2021-03-26 03:51:33,526 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 504 places, 424 transitions, 18761 flow [2021-03-26 03:51:33,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 503 places, 424 transitions, 18761 flow [2021-03-26 03:51:33,891 INFO L129 PetriNetUnfolder]: 144/2291 cut-off events. [2021-03-26 03:51:33,891 INFO L130 PetriNetUnfolder]: For 110850/111022 co-relation queries the response was YES. [2021-03-26 03:51:33,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20140 conditions, 2291 events. 144/2291 cut-off events. For 110850/111022 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 32265 event pairs, 0 based on Foata normal form. 0/2240 useless extension candidates. Maximal degree in co-relation 20000. Up to 288 conditions per place. [2021-03-26 03:51:33,937 INFO L142 LiptonReduction]: Number of co-enabled transitions 2960 [2021-03-26 03:51:33,967 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:33,967 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:33,967 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 441 [2021-03-26 03:51:33,967 INFO L480 AbstractCegarLoop]: Abstraction has has 503 places, 424 transitions, 18761 flow [2021-03-26 03:51:33,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:33,967 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:33,967 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:33,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-03-26 03:51:33,967 INFO L428 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:33,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:33,968 INFO L82 PathProgramCache]: Analyzing trace with hash -108140218, now seen corresponding path program 115 times [2021-03-26 03:51:33,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:33,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825497568] [2021-03-26 03:51:33,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:33,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:33,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:33,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:33,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:33,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:33,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:33,996 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:33,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:34,008 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:51:34,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:51:34,025 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:34,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:34,048 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:34,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:34,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:34,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825497568] [2021-03-26 03:51:34,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:34,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:34,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362530980] [2021-03-26 03:51:34,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:34,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:34,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:34,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:34,072 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:34,073 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 424 transitions, 18761 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:34,073 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:34,073 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:34,073 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:34,794 INFO L129 PetriNetUnfolder]: 197/2384 cut-off events. [2021-03-26 03:51:34,794 INFO L130 PetriNetUnfolder]: For 115165/115765 co-relation queries the response was YES. [2021-03-26 03:51:34,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21823 conditions, 2384 events. 197/2384 cut-off events. For 115165/115765 co-relation queries the response was YES. Maximal size of possible extension queue 414. Compared 32535 event pairs, 53 based on Foata normal form. 16/2313 useless extension candidates. Maximal degree in co-relation 21682. Up to 417 conditions per place. [2021-03-26 03:51:34,826 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 135 changer transitions 2/428 dead transitions. [2021-03-26 03:51:34,826 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 428 transitions, 19669 flow [2021-03-26 03:51:34,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:34,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:34,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:34,827 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:34,827 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:34,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:34,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:34,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:34,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:34,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:34,828 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:34,828 INFO L185 Difference]: Start difference. First operand has 503 places, 424 transitions, 18761 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:34,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 428 transitions, 19669 flow [2021-03-26 03:51:35,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 428 transitions, 19410 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-26 03:51:35,553 INFO L241 Difference]: Finished difference. Result has 505 places, 422 transitions, 18667 flow [2021-03-26 03:51:35,554 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18510, PETRI_DIFFERENCE_MINUEND_PLACES=497, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18667, PETRI_PLACES=505, PETRI_TRANSITIONS=422} [2021-03-26 03:51:35,554 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 467 predicate places. [2021-03-26 03:51:35,554 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:35,554 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 505 places, 422 transitions, 18667 flow [2021-03-26 03:51:35,554 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 505 places, 422 transitions, 18667 flow [2021-03-26 03:51:35,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 504 places, 422 transitions, 18667 flow [2021-03-26 03:51:35,920 INFO L129 PetriNetUnfolder]: 143/2281 cut-off events. [2021-03-26 03:51:35,920 INFO L130 PetriNetUnfolder]: For 109143/109315 co-relation queries the response was YES. [2021-03-26 03:51:35,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20113 conditions, 2281 events. 143/2281 cut-off events. For 109143/109315 co-relation queries the response was YES. Maximal size of possible extension queue 412. Compared 32104 event pairs, 0 based on Foata normal form. 0/2229 useless extension candidates. Maximal degree in co-relation 19975. Up to 286 conditions per place. [2021-03-26 03:51:35,967 INFO L142 LiptonReduction]: Number of co-enabled transitions 2956 [2021-03-26 03:51:35,995 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:35,996 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:35,996 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 442 [2021-03-26 03:51:35,996 INFO L480 AbstractCegarLoop]: Abstraction has has 504 places, 422 transitions, 18667 flow [2021-03-26 03:51:35,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:35,996 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:35,996 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:35,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-03-26 03:51:35,996 INFO L428 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:35,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:35,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1925928096, now seen corresponding path program 116 times [2021-03-26 03:51:35,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:35,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043566458] [2021-03-26 03:51:35,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:36,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:36,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:36,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:36,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:36,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:36,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:36,019 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:36,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:36,030 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:51:36,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:51:36,044 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:36,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:36,062 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:36,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:36,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:36,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043566458] [2021-03-26 03:51:36,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:36,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:36,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407697080] [2021-03-26 03:51:36,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:36,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:36,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:36,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:36,080 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:36,080 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 422 transitions, 18667 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:36,081 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:36,081 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:36,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:36,794 INFO L129 PetriNetUnfolder]: 196/2374 cut-off events. [2021-03-26 03:51:36,794 INFO L130 PetriNetUnfolder]: For 113643/114254 co-relation queries the response was YES. [2021-03-26 03:51:36,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21793 conditions, 2374 events. 196/2374 cut-off events. For 113643/114254 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 32429 event pairs, 53 based on Foata normal form. 17/2295 useless extension candidates. Maximal degree in co-relation 21654. Up to 417 conditions per place. [2021-03-26 03:51:36,826 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 131 changer transitions 4/426 dead transitions. [2021-03-26 03:51:36,826 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 511 places, 426 transitions, 19571 flow [2021-03-26 03:51:36,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:36,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:36,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:36,827 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:36,827 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:36,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:36,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:36,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:36,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:36,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:36,828 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:36,828 INFO L185 Difference]: Start difference. First operand has 504 places, 422 transitions, 18667 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:36,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 511 places, 426 transitions, 19571 flow [2021-03-26 03:51:37,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 426 transitions, 19311 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 03:51:37,509 INFO L241 Difference]: Finished difference. Result has 507 places, 418 transitions, 18437 flow [2021-03-26 03:51:37,510 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18415, PETRI_DIFFERENCE_MINUEND_PLACES=499, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18437, PETRI_PLACES=507, PETRI_TRANSITIONS=418} [2021-03-26 03:51:37,510 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 469 predicate places. [2021-03-26 03:51:37,510 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:37,510 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 507 places, 418 transitions, 18437 flow [2021-03-26 03:51:37,510 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 507 places, 418 transitions, 18437 flow [2021-03-26 03:51:37,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 505 places, 418 transitions, 18437 flow [2021-03-26 03:51:37,875 INFO L129 PetriNetUnfolder]: 142/2264 cut-off events. [2021-03-26 03:51:37,875 INFO L130 PetriNetUnfolder]: For 108107/108278 co-relation queries the response was YES. [2021-03-26 03:51:37,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19947 conditions, 2264 events. 142/2264 cut-off events. For 108107/108278 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 31836 event pairs, 0 based on Foata normal form. 0/2213 useless extension candidates. Maximal degree in co-relation 19809. Up to 284 conditions per place. [2021-03-26 03:51:37,920 INFO L142 LiptonReduction]: Number of co-enabled transitions 2928 [2021-03-26 03:51:37,950 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:37,950 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:37,950 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 440 [2021-03-26 03:51:37,950 INFO L480 AbstractCegarLoop]: Abstraction has has 505 places, 418 transitions, 18437 flow [2021-03-26 03:51:37,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:37,950 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:37,950 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:37,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-03-26 03:51:37,951 INFO L428 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:37,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:37,951 INFO L82 PathProgramCache]: Analyzing trace with hash 2030153214, now seen corresponding path program 117 times [2021-03-26 03:51:37,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:37,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718409760] [2021-03-26 03:51:37,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:37,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:37,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:37,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:37,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:37,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:37,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:37,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:37,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:51:37,981 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:51:37,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:51:37,996 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:37,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:38,014 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:38,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:38,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718409760] [2021-03-26 03:51:38,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:38,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:38,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065900201] [2021-03-26 03:51:38,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:38,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:38,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:38,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:38,035 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:38,036 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 505 places, 418 transitions, 18437 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:38,036 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:38,036 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:38,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:38,746 INFO L129 PetriNetUnfolder]: 195/2357 cut-off events. [2021-03-26 03:51:38,746 INFO L130 PetriNetUnfolder]: For 112504/113118 co-relation queries the response was YES. [2021-03-26 03:51:38,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21621 conditions, 2357 events. 195/2357 cut-off events. For 112504/113118 co-relation queries the response was YES. Maximal size of possible extension queue 410. Compared 32145 event pairs, 53 based on Foata normal form. 17/2279 useless extension candidates. Maximal degree in co-relation 21482. Up to 417 conditions per place. [2021-03-26 03:51:38,834 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 127 changer transitions 1/422 dead transitions. [2021-03-26 03:51:38,835 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 422 transitions, 19333 flow [2021-03-26 03:51:38,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:38,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:38,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:38,835 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:38,835 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:38,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:38,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:38,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:38,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:38,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:38,836 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:38,836 INFO L185 Difference]: Start difference. First operand has 505 places, 418 transitions, 18437 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:38,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 422 transitions, 19333 flow [2021-03-26 03:51:39,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 422 transitions, 19116 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-26 03:51:39,446 INFO L241 Difference]: Finished difference. Result has 508 places, 417 transitions, 18427 flow [2021-03-26 03:51:39,446 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18236, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18427, PETRI_PLACES=508, PETRI_TRANSITIONS=417} [2021-03-26 03:51:39,447 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 470 predicate places. [2021-03-26 03:51:39,447 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:39,447 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 508 places, 417 transitions, 18427 flow [2021-03-26 03:51:39,447 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 508 places, 417 transitions, 18427 flow [2021-03-26 03:51:39,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 507 places, 417 transitions, 18427 flow [2021-03-26 03:51:39,802 INFO L129 PetriNetUnfolder]: 141/2255 cut-off events. [2021-03-26 03:51:39,802 INFO L130 PetriNetUnfolder]: For 105740/105912 co-relation queries the response was YES. [2021-03-26 03:51:39,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19738 conditions, 2255 events. 141/2255 cut-off events. For 105740/105912 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 31677 event pairs, 0 based on Foata normal form. 0/2204 useless extension candidates. Maximal degree in co-relation 19601. Up to 282 conditions per place. [2021-03-26 03:51:39,848 INFO L142 LiptonReduction]: Number of co-enabled transitions 2926 [2021-03-26 03:51:39,876 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:39,876 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:39,876 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 429 [2021-03-26 03:51:39,877 INFO L480 AbstractCegarLoop]: Abstraction has has 507 places, 417 transitions, 18427 flow [2021-03-26 03:51:39,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:39,877 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:39,877 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:39,877 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-03-26 03:51:39,877 INFO L428 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:39,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:39,877 INFO L82 PathProgramCache]: Analyzing trace with hash 297676294, now seen corresponding path program 118 times [2021-03-26 03:51:39,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:39,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384662646] [2021-03-26 03:51:39,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:39,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:39,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:39,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:39,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:39,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:39,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:39,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:39,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:51:39,906 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:51:39,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:51:39,920 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:39,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:39,939 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:39,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:39,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:39,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384662646] [2021-03-26 03:51:39,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:39,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:39,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318377023] [2021-03-26 03:51:39,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:39,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:39,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:39,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:39,957 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:39,958 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 417 transitions, 18427 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:39,958 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:39,958 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:39,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:40,647 INFO L129 PetriNetUnfolder]: 194/2348 cut-off events. [2021-03-26 03:51:40,648 INFO L130 PetriNetUnfolder]: For 110130/110730 co-relation queries the response was YES. [2021-03-26 03:51:40,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21411 conditions, 2348 events. 194/2348 cut-off events. For 110130/110730 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 31937 event pairs, 53 based on Foata normal form. 16/2268 useless extension candidates. Maximal degree in co-relation 21273. Up to 417 conditions per place. [2021-03-26 03:51:40,677 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 281 selfloop transitions, 126 changer transitions 0/421 dead transitions. [2021-03-26 03:51:40,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 421 transitions, 19313 flow [2021-03-26 03:51:40,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:40,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:40,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:40,678 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:40,678 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:40,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:40,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:40,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:40,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:40,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:40,679 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:40,679 INFO L185 Difference]: Start difference. First operand has 507 places, 417 transitions, 18427 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:40,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 421 transitions, 19313 flow [2021-03-26 03:51:41,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 421 transitions, 19020 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-26 03:51:41,374 INFO L241 Difference]: Finished difference. Result has 509 places, 417 transitions, 18397 flow [2021-03-26 03:51:41,374 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18142, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18397, PETRI_PLACES=509, PETRI_TRANSITIONS=417} [2021-03-26 03:51:41,375 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 471 predicate places. [2021-03-26 03:51:41,375 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:41,375 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 509 places, 417 transitions, 18397 flow [2021-03-26 03:51:41,375 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 509 places, 417 transitions, 18397 flow [2021-03-26 03:51:41,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 509 places, 417 transitions, 18397 flow [2021-03-26 03:51:41,754 INFO L129 PetriNetUnfolder]: 141/2254 cut-off events. [2021-03-26 03:51:41,754 INFO L130 PetriNetUnfolder]: For 104820/104992 co-relation queries the response was YES. [2021-03-26 03:51:41,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19724 conditions, 2254 events. 141/2254 cut-off events. For 104820/104992 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 31695 event pairs, 0 based on Foata normal form. 0/2203 useless extension candidates. Maximal degree in co-relation 19588. Up to 282 conditions per place. [2021-03-26 03:51:41,801 INFO L142 LiptonReduction]: Number of co-enabled transitions 2926 [2021-03-26 03:51:41,829 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:41,829 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:41,829 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 454 [2021-03-26 03:51:41,829 INFO L480 AbstractCegarLoop]: Abstraction has has 509 places, 417 transitions, 18397 flow [2021-03-26 03:51:41,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:41,829 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:41,829 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:41,829 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-03-26 03:51:41,829 INFO L428 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:41,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:41,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1613833598, now seen corresponding path program 119 times [2021-03-26 03:51:41,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:41,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802331114] [2021-03-26 03:51:41,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:41,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:41,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:41,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:41,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:41,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:41,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:41,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:41,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:51:41,856 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:51:41,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:51:41,870 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:41,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:41,889 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:41,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:41,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:41,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802331114] [2021-03-26 03:51:41,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:41,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:41,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192384100] [2021-03-26 03:51:41,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:41,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:41,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:41,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:41,908 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:41,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 417 transitions, 18397 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:41,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:41,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:41,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:42,655 INFO L129 PetriNetUnfolder]: 194/2347 cut-off events. [2021-03-26 03:51:42,655 INFO L130 PetriNetUnfolder]: For 109073/109682 co-relation queries the response was YES. [2021-03-26 03:51:42,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21396 conditions, 2347 events. 194/2347 cut-off events. For 109073/109682 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 32008 event pairs, 53 based on Foata normal form. 16/2276 useless extension candidates. Maximal degree in co-relation 21259. Up to 417 conditions per place. [2021-03-26 03:51:42,679 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 122 changer transitions 5/421 dead transitions. [2021-03-26 03:51:42,679 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 421 transitions, 19283 flow [2021-03-26 03:51:42,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:42,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:42,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:42,680 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:42,680 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:42,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:42,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:42,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:42,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:42,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:42,681 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:42,681 INFO L185 Difference]: Start difference. First operand has 509 places, 417 transitions, 18397 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:42,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 421 transitions, 19283 flow [2021-03-26 03:51:43,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 421 transitions, 19030 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-03-26 03:51:43,307 INFO L241 Difference]: Finished difference. Result has 512 places, 412 transitions, 18093 flow [2021-03-26 03:51:43,308 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18144, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18093, PETRI_PLACES=512, PETRI_TRANSITIONS=412} [2021-03-26 03:51:43,308 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 474 predicate places. [2021-03-26 03:51:43,308 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:43,308 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 512 places, 412 transitions, 18093 flow [2021-03-26 03:51:43,308 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 512 places, 412 transitions, 18093 flow [2021-03-26 03:51:43,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 510 places, 412 transitions, 18093 flow [2021-03-26 03:51:43,675 INFO L129 PetriNetUnfolder]: 140/2237 cut-off events. [2021-03-26 03:51:43,675 INFO L130 PetriNetUnfolder]: For 104276/104448 co-relation queries the response was YES. [2021-03-26 03:51:43,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19814 conditions, 2237 events. 140/2237 cut-off events. For 104276/104448 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 31339 event pairs, 0 based on Foata normal form. 0/2186 useless extension candidates. Maximal degree in co-relation 19679. Up to 280 conditions per place. [2021-03-26 03:51:43,720 INFO L142 LiptonReduction]: Number of co-enabled transitions 2888 [2021-03-26 03:51:43,748 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:43,748 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:43,748 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 440 [2021-03-26 03:51:43,749 INFO L480 AbstractCegarLoop]: Abstraction has has 510 places, 412 transitions, 18093 flow [2021-03-26 03:51:43,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:43,749 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:43,749 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:43,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-03-26 03:51:43,749 INFO L428 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:43,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:43,749 INFO L82 PathProgramCache]: Analyzing trace with hash -775409086, now seen corresponding path program 120 times [2021-03-26 03:51:43,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:43,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034441730] [2021-03-26 03:51:43,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:43,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:43,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:43,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:43,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:43,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:43,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:43,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:43,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:51:43,786 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:51:43,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:51:43,803 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:43,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:43,823 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:43,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:43,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:43,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034441730] [2021-03-26 03:51:43,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:43,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:43,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457925058] [2021-03-26 03:51:43,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:43,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:43,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:43,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:43,841 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:43,842 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 412 transitions, 18093 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:43,842 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:43,842 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:43,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:44,505 INFO L129 PetriNetUnfolder]: 193/2330 cut-off events. [2021-03-26 03:51:44,505 INFO L130 PetriNetUnfolder]: For 109040/109682 co-relation queries the response was YES. [2021-03-26 03:51:44,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21479 conditions, 2330 events. 193/2330 cut-off events. For 109040/109682 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 31695 event pairs, 53 based on Foata normal form. 17/2251 useless extension candidates. Maximal degree in co-relation 21343. Up to 417 conditions per place. [2021-03-26 03:51:44,533 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 122 changer transitions 2/416 dead transitions. [2021-03-26 03:51:44,533 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 416 transitions, 18977 flow [2021-03-26 03:51:44,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:44,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:44,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:44,534 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:44,534 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:44,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:44,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:44,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:44,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:44,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:44,535 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:44,535 INFO L185 Difference]: Start difference. First operand has 510 places, 412 transitions, 18093 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:44,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 416 transitions, 18977 flow [2021-03-26 03:51:45,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 416 transitions, 18728 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 03:51:45,175 INFO L241 Difference]: Finished difference. Result has 512 places, 410 transitions, 17980 flow [2021-03-26 03:51:45,176 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17860, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17980, PETRI_PLACES=512, PETRI_TRANSITIONS=410} [2021-03-26 03:51:45,176 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 474 predicate places. [2021-03-26 03:51:45,176 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:45,176 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 512 places, 410 transitions, 17980 flow [2021-03-26 03:51:45,176 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 512 places, 410 transitions, 17980 flow [2021-03-26 03:51:45,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 511 places, 410 transitions, 17980 flow [2021-03-26 03:51:45,519 INFO L129 PetriNetUnfolder]: 139/2227 cut-off events. [2021-03-26 03:51:45,520 INFO L130 PetriNetUnfolder]: For 101685/101874 co-relation queries the response was YES. [2021-03-26 03:51:45,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19515 conditions, 2227 events. 139/2227 cut-off events. For 101685/101874 co-relation queries the response was YES. Maximal size of possible extension queue 402. Compared 31203 event pairs, 0 based on Foata normal form. 0/2174 useless extension candidates. Maximal degree in co-relation 19381. Up to 278 conditions per place. [2021-03-26 03:51:45,562 INFO L142 LiptonReduction]: Number of co-enabled transitions 2878 [2021-03-26 03:51:45,590 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:45,590 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:45,590 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 414 [2021-03-26 03:51:45,591 INFO L480 AbstractCegarLoop]: Abstraction has has 511 places, 410 transitions, 17980 flow [2021-03-26 03:51:45,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:45,591 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:45,591 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:45,591 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-03-26 03:51:45,591 INFO L428 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:45,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:45,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1381899694, now seen corresponding path program 121 times [2021-03-26 03:51:45,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:45,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676176252] [2021-03-26 03:51:45,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:45,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:45,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:45,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:45,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:45,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:45,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:45,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:45,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:51:45,622 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 03:51:45,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:51:45,647 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:45,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:45,666 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:45,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:45,684 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 03:51:45,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676176252] [2021-03-26 03:51:45,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:45,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:45,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264938689] [2021-03-26 03:51:45,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:45,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:45,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:45,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:45,687 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:45,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 410 transitions, 17980 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:45,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:45,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:45,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:46,419 INFO L129 PetriNetUnfolder]: 192/2320 cut-off events. [2021-03-26 03:51:46,420 INFO L130 PetriNetUnfolder]: For 106359/106974 co-relation queries the response was YES. [2021-03-26 03:51:46,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21178 conditions, 2320 events. 192/2320 cut-off events. For 106359/106974 co-relation queries the response was YES. Maximal size of possible extension queue 403. Compared 31533 event pairs, 53 based on Foata normal form. 17/2242 useless extension candidates. Maximal degree in co-relation 21043. Up to 417 conditions per place. [2021-03-26 03:51:46,509 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 120 changer transitions 2/414 dead transitions. [2021-03-26 03:51:46,509 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 518 places, 414 transitions, 18852 flow [2021-03-26 03:51:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:46,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:46,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:46,510 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:46,510 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:46,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:46,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:46,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:46,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:46,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:46,511 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:46,511 INFO L185 Difference]: Start difference. First operand has 511 places, 410 transitions, 17980 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:46,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 518 places, 414 transitions, 18852 flow [2021-03-26 03:51:47,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 414 transitions, 18654 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 03:51:47,088 INFO L241 Difference]: Finished difference. Result has 515 places, 408 transitions, 17903 flow [2021-03-26 03:51:47,088 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17790, PETRI_DIFFERENCE_MINUEND_PLACES=507, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17903, PETRI_PLACES=515, PETRI_TRANSITIONS=408} [2021-03-26 03:51:47,088 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 477 predicate places. [2021-03-26 03:51:47,088 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:47,088 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 515 places, 408 transitions, 17903 flow [2021-03-26 03:51:47,088 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 515 places, 408 transitions, 17903 flow [2021-03-26 03:51:47,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 514 places, 408 transitions, 17903 flow [2021-03-26 03:51:47,433 INFO L129 PetriNetUnfolder]: 138/2217 cut-off events. [2021-03-26 03:51:47,433 INFO L130 PetriNetUnfolder]: For 101540/101712 co-relation queries the response was YES. [2021-03-26 03:51:47,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19498 conditions, 2217 events. 138/2217 cut-off events. For 101540/101712 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 31047 event pairs, 0 based on Foata normal form. 0/2165 useless extension candidates. Maximal degree in co-relation 19364. Up to 276 conditions per place. [2021-03-26 03:51:47,477 INFO L142 LiptonReduction]: Number of co-enabled transitions 2864 [2021-03-26 03:51:47,505 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:47,505 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:47,505 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 417 [2021-03-26 03:51:47,506 INFO L480 AbstractCegarLoop]: Abstraction has has 514 places, 408 transitions, 17903 flow [2021-03-26 03:51:47,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:47,506 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:47,506 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:47,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-03-26 03:51:47,506 INFO L428 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:47,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:47,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1112061114, now seen corresponding path program 122 times [2021-03-26 03:51:47,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:47,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179691629] [2021-03-26 03:51:47,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:47,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:47,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:47,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:47,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:47,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:47,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:47,525 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:47,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:47,536 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:51:47,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:51:47,550 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:47,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:47,568 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:47,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:47,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179691629] [2021-03-26 03:51:47,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:47,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:47,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453425649] [2021-03-26 03:51:47,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:47,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:47,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:47,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:47,587 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:47,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 408 transitions, 17903 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:47,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:47,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:47,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:48,244 INFO L129 PetriNetUnfolder]: 191/2310 cut-off events. [2021-03-26 03:51:48,244 INFO L130 PetriNetUnfolder]: For 106059/106699 co-relation queries the response was YES. [2021-03-26 03:51:48,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21158 conditions, 2310 events. 191/2310 cut-off events. For 106059/106699 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 31398 event pairs, 53 based on Foata normal form. 16/2230 useless extension candidates. Maximal degree in co-relation 21023. Up to 417 conditions per place. [2021-03-26 03:51:48,272 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 256 selfloop transitions, 142 changer transitions 0/412 dead transitions. [2021-03-26 03:51:48,273 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 412 transitions, 18771 flow [2021-03-26 03:51:48,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:48,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:48,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:48,274 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:48,274 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:48,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:48,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:48,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:48,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:48,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:48,274 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:48,274 INFO L185 Difference]: Start difference. First operand has 514 places, 408 transitions, 17903 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:48,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 412 transitions, 18771 flow [2021-03-26 03:51:48,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 412 transitions, 18533 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 03:51:48,914 INFO L241 Difference]: Finished difference. Result has 517 places, 408 transitions, 17960 flow [2021-03-26 03:51:48,914 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17673, PETRI_DIFFERENCE_MINUEND_PLACES=509, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17960, PETRI_PLACES=517, PETRI_TRANSITIONS=408} [2021-03-26 03:51:48,914 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 479 predicate places. [2021-03-26 03:51:48,914 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:48,914 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 517 places, 408 transitions, 17960 flow [2021-03-26 03:51:48,914 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 517 places, 408 transitions, 17960 flow [2021-03-26 03:51:48,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 517 places, 408 transitions, 17960 flow [2021-03-26 03:51:49,256 INFO L129 PetriNetUnfolder]: 138/2216 cut-off events. [2021-03-26 03:51:49,256 INFO L130 PetriNetUnfolder]: For 101490/101662 co-relation queries the response was YES. [2021-03-26 03:51:49,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19499 conditions, 2216 events. 138/2216 cut-off events. For 101490/101662 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 31033 event pairs, 0 based on Foata normal form. 0/2164 useless extension candidates. Maximal degree in co-relation 19365. Up to 276 conditions per place. [2021-03-26 03:51:49,299 INFO L142 LiptonReduction]: Number of co-enabled transitions 2864 [2021-03-26 03:51:49,327 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:49,327 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:49,327 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 413 [2021-03-26 03:51:49,327 INFO L480 AbstractCegarLoop]: Abstraction has has 517 places, 408 transitions, 17960 flow [2021-03-26 03:51:49,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:49,327 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:49,328 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:49,328 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-03-26 03:51:49,328 INFO L428 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:49,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:49,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1034109646, now seen corresponding path program 123 times [2021-03-26 03:51:49,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:49,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597814875] [2021-03-26 03:51:49,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:49,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:49,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:49,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:49,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:49,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:49,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:49,345 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:49,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:49,355 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:51:49,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:51:49,369 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:49,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:49,387 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:49,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:49,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:49,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597814875] [2021-03-26 03:51:49,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:49,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:49,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156620136] [2021-03-26 03:51:49,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:49,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:49,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:49,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:49,405 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:49,406 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 408 transitions, 17960 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:49,406 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:49,406 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:49,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:50,067 INFO L129 PetriNetUnfolder]: 191/2309 cut-off events. [2021-03-26 03:51:50,067 INFO L130 PetriNetUnfolder]: For 105819/106426 co-relation queries the response was YES. [2021-03-26 03:51:50,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21158 conditions, 2309 events. 191/2309 cut-off events. For 105819/106426 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 31351 event pairs, 53 based on Foata normal form. 16/2238 useless extension candidates. Maximal degree in co-relation 21023. Up to 417 conditions per place. [2021-03-26 03:51:50,095 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 258 selfloop transitions, 140 changer transitions 0/412 dead transitions. [2021-03-26 03:51:50,095 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 412 transitions, 18828 flow [2021-03-26 03:51:50,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:50,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:50,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:50,096 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:50,096 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:50,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:50,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:50,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:50,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:50,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:50,097 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:50,097 INFO L185 Difference]: Start difference. First operand has 517 places, 408 transitions, 17960 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:50,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 412 transitions, 18828 flow [2021-03-26 03:51:50,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 412 transitions, 18562 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-26 03:51:50,752 INFO L241 Difference]: Finished difference. Result has 521 places, 408 transitions, 17977 flow [2021-03-26 03:51:50,752 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17694, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17977, PETRI_PLACES=521, PETRI_TRANSITIONS=408} [2021-03-26 03:51:50,752 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 483 predicate places. [2021-03-26 03:51:50,752 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:50,752 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 521 places, 408 transitions, 17977 flow [2021-03-26 03:51:50,752 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 521 places, 408 transitions, 17977 flow [2021-03-26 03:51:50,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 521 places, 408 transitions, 17977 flow [2021-03-26 03:51:51,098 INFO L129 PetriNetUnfolder]: 138/2215 cut-off events. [2021-03-26 03:51:51,098 INFO L130 PetriNetUnfolder]: For 103106/103278 co-relation queries the response was YES. [2021-03-26 03:51:51,125 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19731 conditions, 2215 events. 138/2215 cut-off events. For 103106/103278 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 31027 event pairs, 0 based on Foata normal form. 0/2163 useless extension candidates. Maximal degree in co-relation 19596. Up to 276 conditions per place. [2021-03-26 03:51:51,147 INFO L142 LiptonReduction]: Number of co-enabled transitions 2864 [2021-03-26 03:51:51,175 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:51,175 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:51,175 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 423 [2021-03-26 03:51:51,176 INFO L480 AbstractCegarLoop]: Abstraction has has 521 places, 408 transitions, 17977 flow [2021-03-26 03:51:51,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:51,176 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:51,176 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:51,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-03-26 03:51:51,176 INFO L428 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:51,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:51,176 INFO L82 PathProgramCache]: Analyzing trace with hash -785912190, now seen corresponding path program 124 times [2021-03-26 03:51:51,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:51,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153586760] [2021-03-26 03:51:51,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:51,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:51,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:51,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:51,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:51,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:51,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:51,196 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:51,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:51,206 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:51:51,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:51:51,220 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:51,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:51,238 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:51,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:51,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:51,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153586760] [2021-03-26 03:51:51,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:51,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:51,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508418220] [2021-03-26 03:51:51,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:51,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:51,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:51,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:51,258 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:51,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 408 transitions, 17977 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:51,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:51,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:51,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:51,921 INFO L129 PetriNetUnfolder]: 191/2308 cut-off events. [2021-03-26 03:51:51,921 INFO L130 PetriNetUnfolder]: For 107845/108463 co-relation queries the response was YES. [2021-03-26 03:51:51,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21388 conditions, 2308 events. 191/2308 cut-off events. For 107845/108463 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 31363 event pairs, 53 based on Foata normal form. 17/2229 useless extension candidates. Maximal degree in co-relation 21252. Up to 417 conditions per place. [2021-03-26 03:51:51,949 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 259 selfloop transitions, 139 changer transitions 0/412 dead transitions. [2021-03-26 03:51:51,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 412 transitions, 18853 flow [2021-03-26 03:51:51,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:51,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:51,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:51,950 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:51,951 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:51,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:51,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:51,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:51,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:51,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:51,952 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:51,952 INFO L185 Difference]: Start difference. First operand has 521 places, 408 transitions, 17977 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:51,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 412 transitions, 18853 flow [2021-03-26 03:51:52,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 412 transitions, 18643 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-26 03:51:52,578 INFO L241 Difference]: Finished difference. Result has 526 places, 408 transitions, 18048 flow [2021-03-26 03:51:52,578 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17767, PETRI_DIFFERENCE_MINUEND_PLACES=518, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18048, PETRI_PLACES=526, PETRI_TRANSITIONS=408} [2021-03-26 03:51:52,578 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 488 predicate places. [2021-03-26 03:51:52,578 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:52,578 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 526 places, 408 transitions, 18048 flow [2021-03-26 03:51:52,578 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 526 places, 408 transitions, 18048 flow [2021-03-26 03:51:52,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 526 places, 408 transitions, 18048 flow [2021-03-26 03:51:52,925 INFO L129 PetriNetUnfolder]: 138/2214 cut-off events. [2021-03-26 03:51:52,925 INFO L130 PetriNetUnfolder]: For 105268/105440 co-relation queries the response was YES. [2021-03-26 03:51:52,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20002 conditions, 2214 events. 138/2214 cut-off events. For 105268/105440 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 31038 event pairs, 0 based on Foata normal form. 0/2162 useless extension candidates. Maximal degree in co-relation 19866. Up to 276 conditions per place. [2021-03-26 03:51:52,968 INFO L142 LiptonReduction]: Number of co-enabled transitions 2864 [2021-03-26 03:51:52,995 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:52,995 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:52,995 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 417 [2021-03-26 03:51:52,995 INFO L480 AbstractCegarLoop]: Abstraction has has 526 places, 408 transitions, 18048 flow [2021-03-26 03:51:52,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:52,995 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:52,995 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:52,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-03-26 03:51:52,996 INFO L428 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:52,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:52,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1080695844, now seen corresponding path program 125 times [2021-03-26 03:51:52,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:52,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269757683] [2021-03-26 03:51:52,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:53,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:53,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:53,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:53,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:53,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:53,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:53,015 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:53,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:53,025 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:51:53,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:51:53,039 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:53,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:53,060 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:53,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:53,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:53,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269757683] [2021-03-26 03:51:53,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:53,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:53,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148100335] [2021-03-26 03:51:53,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:53,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:53,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:53,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:53,078 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:53,079 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 408 transitions, 18048 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:53,079 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:53,079 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:53,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:53,744 INFO L129 PetriNetUnfolder]: 191/2307 cut-off events. [2021-03-26 03:51:53,744 INFO L130 PetriNetUnfolder]: For 110210/110852 co-relation queries the response was YES. [2021-03-26 03:51:53,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21657 conditions, 2307 events. 191/2307 cut-off events. For 110210/110852 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 31310 event pairs, 53 based on Foata normal form. 17/2229 useless extension candidates. Maximal degree in co-relation 21520. Up to 417 conditions per place. [2021-03-26 03:51:53,772 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 138 changer transitions 0/412 dead transitions. [2021-03-26 03:51:53,772 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 412 transitions, 18932 flow [2021-03-26 03:51:53,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:53,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:53,773 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:53,773 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:53,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:53,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:53,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:53,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:53,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:53,774 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:53,774 INFO L185 Difference]: Start difference. First operand has 526 places, 408 transitions, 18048 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:53,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 412 transitions, 18932 flow [2021-03-26 03:51:54,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 412 transitions, 18672 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-26 03:51:54,467 INFO L241 Difference]: Finished difference. Result has 530 places, 408 transitions, 18067 flow [2021-03-26 03:51:54,468 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17788, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18067, PETRI_PLACES=530, PETRI_TRANSITIONS=408} [2021-03-26 03:51:54,468 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 492 predicate places. [2021-03-26 03:51:54,468 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:54,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 530 places, 408 transitions, 18067 flow [2021-03-26 03:51:54,468 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 530 places, 408 transitions, 18067 flow [2021-03-26 03:51:54,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 530 places, 408 transitions, 18067 flow [2021-03-26 03:51:54,818 INFO L129 PetriNetUnfolder]: 138/2213 cut-off events. [2021-03-26 03:51:54,818 INFO L130 PetriNetUnfolder]: For 107180/107370 co-relation queries the response was YES. [2021-03-26 03:51:54,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20231 conditions, 2213 events. 138/2213 cut-off events. For 107180/107370 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 31000 event pairs, 0 based on Foata normal form. 0/2159 useless extension candidates. Maximal degree in co-relation 20094. Up to 276 conditions per place. [2021-03-26 03:51:54,863 INFO L142 LiptonReduction]: Number of co-enabled transitions 2864 [2021-03-26 03:51:54,890 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:54,890 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:54,890 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 422 [2021-03-26 03:51:54,890 INFO L480 AbstractCegarLoop]: Abstraction has has 530 places, 408 transitions, 18067 flow [2021-03-26 03:51:54,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:54,891 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:54,891 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:54,891 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-03-26 03:51:54,891 INFO L428 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:54,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:54,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1898114148, now seen corresponding path program 126 times [2021-03-26 03:51:54,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:54,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138387067] [2021-03-26 03:51:54,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:54,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:54,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:54,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:54,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:54,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:54,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:54,907 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:54,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:54,917 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:51:54,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:51:54,931 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:54,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:54,950 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:54,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:54,968 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 03:51:54,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138387067] [2021-03-26 03:51:54,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:54,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:54,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053710847] [2021-03-26 03:51:54,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:54,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:54,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:54,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:54,969 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:54,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 408 transitions, 18067 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:54,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:54,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:54,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:55,650 INFO L129 PetriNetUnfolder]: 191/2306 cut-off events. [2021-03-26 03:51:55,650 INFO L130 PetriNetUnfolder]: For 112439/113046 co-relation queries the response was YES. [2021-03-26 03:51:55,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21884 conditions, 2306 events. 191/2306 cut-off events. For 112439/113046 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 31307 event pairs, 53 based on Foata normal form. 16/2226 useless extension candidates. Maximal degree in co-relation 21746. Up to 417 conditions per place. [2021-03-26 03:51:55,679 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 255 selfloop transitions, 129 changer transitions 14/412 dead transitions. [2021-03-26 03:51:55,679 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 412 transitions, 18959 flow [2021-03-26 03:51:55,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:55,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:55,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:55,681 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:55,681 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:55,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:55,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:55,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:55,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:55,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:55,681 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:55,682 INFO L185 Difference]: Start difference. First operand has 530 places, 408 transitions, 18067 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:55,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 412 transitions, 18959 flow [2021-03-26 03:51:56,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 412 transitions, 18753 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-26 03:51:56,375 INFO L241 Difference]: Finished difference. Result has 535 places, 394 transitions, 17230 flow [2021-03-26 03:51:56,376 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17861, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17230, PETRI_PLACES=535, PETRI_TRANSITIONS=394} [2021-03-26 03:51:56,376 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 497 predicate places. [2021-03-26 03:51:56,376 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:56,376 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 535 places, 394 transitions, 17230 flow [2021-03-26 03:51:56,376 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 535 places, 394 transitions, 17230 flow [2021-03-26 03:51:56,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 529 places, 394 transitions, 17230 flow [2021-03-26 03:51:56,712 INFO L129 PetriNetUnfolder]: 137/2124 cut-off events. [2021-03-26 03:51:56,712 INFO L130 PetriNetUnfolder]: For 98943/99076 co-relation queries the response was YES. [2021-03-26 03:51:56,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18732 conditions, 2124 events. 137/2124 cut-off events. For 98943/99076 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 29586 event pairs, 0 based on Foata normal form. 1/2077 useless extension candidates. Maximal degree in co-relation 18594. Up to 274 conditions per place. [2021-03-26 03:51:56,755 INFO L142 LiptonReduction]: Number of co-enabled transitions 2736 [2021-03-26 03:51:56,781 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:56,781 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:56,781 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 405 [2021-03-26 03:51:56,781 INFO L480 AbstractCegarLoop]: Abstraction has has 529 places, 394 transitions, 17230 flow [2021-03-26 03:51:56,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:56,782 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:56,782 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:56,782 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-03-26 03:51:56,782 INFO L428 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:56,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:56,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1316046012, now seen corresponding path program 127 times [2021-03-26 03:51:56,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:56,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620199477] [2021-03-26 03:51:56,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:56,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:56,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:56,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:56,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:56,797 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:51:56,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:51:56,816 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:51:56,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:51:56,829 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:51:56,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:51:56,843 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:56,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:56,862 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:56,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:56,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:56,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620199477] [2021-03-26 03:51:56,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:56,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:56,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336016665] [2021-03-26 03:51:56,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:56,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:56,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:56,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:56,881 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:56,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 394 transitions, 17230 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:56,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:56,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:56,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:57,524 INFO L129 PetriNetUnfolder]: 190/2228 cut-off events. [2021-03-26 03:51:57,524 INFO L130 PetriNetUnfolder]: For 103308/103562 co-relation queries the response was YES. [2021-03-26 03:51:57,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20333 conditions, 2228 events. 190/2228 cut-off events. For 103308/103562 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 30120 event pairs, 17 based on Foata normal form. 19/2176 useless extension candidates. Maximal degree in co-relation 20194. Up to 501 conditions per place. [2021-03-26 03:51:57,552 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 243 selfloop transitions, 170 changer transitions 0/427 dead transitions. [2021-03-26 03:51:57,552 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 427 transitions, 19363 flow [2021-03-26 03:51:57,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:57,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:57,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:57,553 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:57,553 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:57,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:57,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:57,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:57,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:57,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:57,554 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:57,554 INFO L185 Difference]: Start difference. First operand has 529 places, 394 transitions, 17230 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:57,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 427 transitions, 19363 flow [2021-03-26 03:51:58,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 427 transitions, 18888 flow, removed 30 selfloop flow, removed 11 redundant places. [2021-03-26 03:51:58,215 INFO L241 Difference]: Finished difference. Result has 529 places, 408 transitions, 17891 flow [2021-03-26 03:51:58,216 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16821, PETRI_DIFFERENCE_MINUEND_PLACES=518, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=156, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17891, PETRI_PLACES=529, PETRI_TRANSITIONS=408} [2021-03-26 03:51:58,216 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 491 predicate places. [2021-03-26 03:51:58,216 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:58,216 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 529 places, 408 transitions, 17891 flow [2021-03-26 03:51:58,216 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 529 places, 408 transitions, 17891 flow [2021-03-26 03:51:58,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 529 places, 408 transitions, 17891 flow [2021-03-26 03:51:58,547 INFO L129 PetriNetUnfolder]: 137/2123 cut-off events. [2021-03-26 03:51:58,547 INFO L130 PetriNetUnfolder]: For 89046/89173 co-relation queries the response was YES. [2021-03-26 03:51:58,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17695 conditions, 2123 events. 137/2123 cut-off events. For 89046/89173 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 29607 event pairs, 0 based on Foata normal form. 1/2076 useless extension candidates. Maximal degree in co-relation 17559. Up to 274 conditions per place. [2021-03-26 03:51:58,591 INFO L142 LiptonReduction]: Number of co-enabled transitions 2774 [2021-03-26 03:51:58,618 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:58,619 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:58,619 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 403 [2021-03-26 03:51:58,619 INFO L480 AbstractCegarLoop]: Abstraction has has 529 places, 408 transitions, 17891 flow [2021-03-26 03:51:58,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:58,619 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:58,619 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:58,619 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-03-26 03:51:58,619 INFO L428 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:58,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:58,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1564582166, now seen corresponding path program 128 times [2021-03-26 03:51:58,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:58,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112210552] [2021-03-26 03:51:58,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:58,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:58,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:58,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:58,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:58,631 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:51:58,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:51:58,638 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:51:58,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:51:58,648 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:51:58,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:51:58,663 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:51:58,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:51:58,682 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:51:58,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:51:58,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:58,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112210552] [2021-03-26 03:51:58,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:58,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:51:58,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017794147] [2021-03-26 03:51:58,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:51:58,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:58,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:51:58,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:51:58,701 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:51:58,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 408 transitions, 17891 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:58,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:58,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:51:58,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:59,330 INFO L129 PetriNetUnfolder]: 190/2227 cut-off events. [2021-03-26 03:51:59,330 INFO L130 PetriNetUnfolder]: For 92409/92640 co-relation queries the response was YES. [2021-03-26 03:51:59,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19318 conditions, 2227 events. 190/2227 cut-off events. For 92409/92640 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 30161 event pairs, 17 based on Foata normal form. 16/2172 useless extension candidates. Maximal degree in co-relation 19181. Up to 501 conditions per place. [2021-03-26 03:51:59,358 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 242 selfloop transitions, 171 changer transitions 0/427 dead transitions. [2021-03-26 03:51:59,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 427 transitions, 19351 flow [2021-03-26 03:51:59,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:51:59,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:51:59,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:51:59,358 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:51:59,359 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:51:59,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:51:59,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:59,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:51:59,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:59,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:59,359 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:59,359 INFO L185 Difference]: Start difference. First operand has 529 places, 408 transitions, 17891 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:51:59,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 427 transitions, 19351 flow [2021-03-26 03:51:59,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 427 transitions, 18942 flow, removed 75 selfloop flow, removed 3 redundant places. [2021-03-26 03:51:59,941 INFO L241 Difference]: Finished difference. Result has 534 places, 408 transitions, 17827 flow [2021-03-26 03:51:59,941 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17482, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17827, PETRI_PLACES=534, PETRI_TRANSITIONS=408} [2021-03-26 03:51:59,941 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 496 predicate places. [2021-03-26 03:51:59,941 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:59,941 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 534 places, 408 transitions, 17827 flow [2021-03-26 03:51:59,941 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 534 places, 408 transitions, 17827 flow [2021-03-26 03:51:59,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 534 places, 408 transitions, 17827 flow [2021-03-26 03:52:00,265 INFO L129 PetriNetUnfolder]: 137/2122 cut-off events. [2021-03-26 03:52:00,265 INFO L130 PetriNetUnfolder]: For 87811/87935 co-relation queries the response was YES. [2021-03-26 03:52:00,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17778 conditions, 2122 events. 137/2122 cut-off events. For 87811/87935 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 29554 event pairs, 0 based on Foata normal form. 1/2073 useless extension candidates. Maximal degree in co-relation 17641. Up to 274 conditions per place. [2021-03-26 03:52:00,307 INFO L142 LiptonReduction]: Number of co-enabled transitions 2774 [2021-03-26 03:52:00,334 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:00,334 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:00,334 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 393 [2021-03-26 03:52:00,335 INFO L480 AbstractCegarLoop]: Abstraction has has 534 places, 408 transitions, 17827 flow [2021-03-26 03:52:00,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:00,335 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:00,335 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:00,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-03-26 03:52:00,335 INFO L428 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:00,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:00,335 INFO L82 PathProgramCache]: Analyzing trace with hash 102568800, now seen corresponding path program 129 times [2021-03-26 03:52:00,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:00,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878084160] [2021-03-26 03:52:00,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:00,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:00,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:00,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:00,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:00,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:00,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:52:00,354 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:52:00,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:52:00,373 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:52:00,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:52:00,388 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:52:00,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:52:00,406 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:00,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:00,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:00,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878084160] [2021-03-26 03:52:00,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:00,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:00,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645222552] [2021-03-26 03:52:00,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:00,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:00,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:00,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:00,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:00,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 408 transitions, 17827 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:00,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:00,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:00,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:01,136 INFO L129 PetriNetUnfolder]: 221/2581 cut-off events. [2021-03-26 03:52:01,136 INFO L130 PetriNetUnfolder]: For 102195/102426 co-relation queries the response was YES. [2021-03-26 03:52:01,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21615 conditions, 2581 events. 221/2581 cut-off events. For 102195/102426 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 35765 event pairs, 17 based on Foata normal form. 4/2512 useless extension candidates. Maximal degree in co-relation 21477. Up to 470 conditions per place. [2021-03-26 03:52:01,167 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 300 selfloop transitions, 184 changer transitions 2/500 dead transitions. [2021-03-26 03:52:01,168 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 500 transitions, 22155 flow [2021-03-26 03:52:01,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:01,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:01,168 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:01,168 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:01,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:01,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:01,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:01,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:01,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:01,169 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:01,169 INFO L185 Difference]: Start difference. First operand has 534 places, 408 transitions, 17827 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:01,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 500 transitions, 22155 flow [2021-03-26 03:52:01,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 500 transitions, 21836 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 03:52:01,834 INFO L241 Difference]: Finished difference. Result has 544 places, 438 transitions, 19511 flow [2021-03-26 03:52:01,834 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17567, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=154, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19511, PETRI_PLACES=544, PETRI_TRANSITIONS=438} [2021-03-26 03:52:01,834 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 506 predicate places. [2021-03-26 03:52:01,834 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:01,834 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 544 places, 438 transitions, 19511 flow [2021-03-26 03:52:01,834 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 544 places, 438 transitions, 19511 flow [2021-03-26 03:52:01,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 543 places, 438 transitions, 19511 flow [2021-03-26 03:52:02,240 INFO L129 PetriNetUnfolder]: 168/2474 cut-off events. [2021-03-26 03:52:02,240 INFO L130 PetriNetUnfolder]: For 106985/107138 co-relation queries the response was YES. [2021-03-26 03:52:02,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20478 conditions, 2474 events. 168/2474 cut-off events. For 106985/107138 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 35192 event pairs, 0 based on Foata normal form. 6/2421 useless extension candidates. Maximal degree in co-relation 20335. Up to 336 conditions per place. [2021-03-26 03:52:02,289 INFO L142 LiptonReduction]: Number of co-enabled transitions 3026 [2021-03-26 03:52:02,319 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:02,319 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:02,319 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 485 [2021-03-26 03:52:02,319 INFO L480 AbstractCegarLoop]: Abstraction has has 543 places, 438 transitions, 19511 flow [2021-03-26 03:52:02,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:02,319 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:02,319 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:02,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-03-26 03:52:02,319 INFO L428 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:02,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:02,320 INFO L82 PathProgramCache]: Analyzing trace with hash 75720428, now seen corresponding path program 130 times [2021-03-26 03:52:02,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:02,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429583590] [2021-03-26 03:52:02,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:02,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:02,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:02,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:02,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:02,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:02,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:52:02,337 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:52:02,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:52:02,357 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:52:02,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:52:02,377 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:52:02,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:52:02,401 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:02,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:02,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:02,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429583590] [2021-03-26 03:52:02,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:02,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:02,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667657101] [2021-03-26 03:52:02,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:02,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:02,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:02,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:02,420 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:02,420 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 438 transitions, 19511 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:02,420 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:02,420 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:02,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:03,261 INFO L129 PetriNetUnfolder]: 241/2939 cut-off events. [2021-03-26 03:52:03,261 INFO L130 PetriNetUnfolder]: For 124453/124699 co-relation queries the response was YES. [2021-03-26 03:52:03,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24726 conditions, 2939 events. 241/2939 cut-off events. For 124453/124699 co-relation queries the response was YES. Maximal size of possible extension queue 522. Compared 42155 event pairs, 14 based on Foata normal form. 4/2858 useless extension candidates. Maximal degree in co-relation 24582. Up to 541 conditions per place. [2021-03-26 03:52:03,298 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 314 selfloop transitions, 213 changer transitions 2/543 dead transitions. [2021-03-26 03:52:03,298 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 543 transitions, 24518 flow [2021-03-26 03:52:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:03,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:03,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:03,299 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:03,299 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:03,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:03,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:03,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:03,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:03,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:03,300 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:03,300 INFO L185 Difference]: Start difference. First operand has 543 places, 438 transitions, 19511 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:03,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 543 transitions, 24518 flow [2021-03-26 03:52:04,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 543 transitions, 24234 flow, removed 87 selfloop flow, removed 3 redundant places. [2021-03-26 03:52:04,144 INFO L241 Difference]: Finished difference. Result has 553 places, 462 transitions, 20981 flow [2021-03-26 03:52:04,144 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=19296, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20981, PETRI_PLACES=553, PETRI_TRANSITIONS=462} [2021-03-26 03:52:04,144 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 515 predicate places. [2021-03-26 03:52:04,144 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:04,144 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 553 places, 462 transitions, 20981 flow [2021-03-26 03:52:04,144 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 553 places, 462 transitions, 20981 flow [2021-03-26 03:52:04,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 552 places, 462 transitions, 20981 flow [2021-03-26 03:52:04,608 INFO L129 PetriNetUnfolder]: 195/2832 cut-off events. [2021-03-26 03:52:04,608 INFO L130 PetriNetUnfolder]: For 125196/125477 co-relation queries the response was YES. [2021-03-26 03:52:04,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23174 conditions, 2832 events. 195/2832 cut-off events. For 125196/125477 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 41347 event pairs, 0 based on Foata normal form. 7/2767 useless extension candidates. Maximal degree in co-relation 23027. Up to 390 conditions per place. [2021-03-26 03:52:04,672 INFO L142 LiptonReduction]: Number of co-enabled transitions 3248 [2021-03-26 03:52:04,706 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:04,706 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:04,706 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 562 [2021-03-26 03:52:04,707 INFO L480 AbstractCegarLoop]: Abstraction has has 552 places, 462 transitions, 20981 flow [2021-03-26 03:52:04,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:04,707 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:04,707 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:04,707 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-03-26 03:52:04,707 INFO L428 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:04,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:04,707 INFO L82 PathProgramCache]: Analyzing trace with hash -827442216, now seen corresponding path program 131 times [2021-03-26 03:52:04,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:04,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991618053] [2021-03-26 03:52:04,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:04,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:04,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:04,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:04,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:04,722 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:52:04,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:52:04,730 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:52:04,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:52:04,743 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:52:04,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:52:04,760 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:52:04,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:52:04,783 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:04,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:04,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:04,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991618053] [2021-03-26 03:52:04,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:04,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:04,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006625015] [2021-03-26 03:52:04,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:04,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:04,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:04,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:04,806 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:04,807 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 462 transitions, 20981 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:04,807 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:04,807 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:04,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:05,754 INFO L129 PetriNetUnfolder]: 240/2934 cut-off events. [2021-03-26 03:52:05,754 INFO L130 PetriNetUnfolder]: For 130891/131145 co-relation queries the response was YES. [2021-03-26 03:52:05,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25213 conditions, 2934 events. 240/2934 cut-off events. For 130891/131145 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 42062 event pairs, 15 based on Foata normal form. 19/2861 useless extension candidates. Maximal degree in co-relation 25065. Up to 584 conditions per place. [2021-03-26 03:52:05,789 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 279 selfloop transitions, 195 changer transitions 0/488 dead transitions. [2021-03-26 03:52:05,789 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 488 transitions, 22838 flow [2021-03-26 03:52:05,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:05,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:05,790 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:05,790 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:05,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:05,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:05,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:05,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:05,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:05,791 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:05,791 INFO L185 Difference]: Start difference. First operand has 552 places, 462 transitions, 20981 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:05,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 559 places, 488 transitions, 22838 flow [2021-03-26 03:52:06,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 556 places, 488 transitions, 22682 flow, removed 41 selfloop flow, removed 3 redundant places. [2021-03-26 03:52:06,655 INFO L241 Difference]: Finished difference. Result has 558 places, 463 transitions, 21315 flow [2021-03-26 03:52:06,655 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20839, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=462, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21315, PETRI_PLACES=558, PETRI_TRANSITIONS=463} [2021-03-26 03:52:06,655 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 520 predicate places. [2021-03-26 03:52:06,655 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:06,655 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 558 places, 463 transitions, 21315 flow [2021-03-26 03:52:06,655 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 558 places, 463 transitions, 21315 flow [2021-03-26 03:52:06,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 558 places, 463 transitions, 21315 flow [2021-03-26 03:52:07,138 INFO L129 PetriNetUnfolder]: 195/2831 cut-off events. [2021-03-26 03:52:07,138 INFO L130 PetriNetUnfolder]: For 126090/126391 co-relation queries the response was YES. [2021-03-26 03:52:07,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23407 conditions, 2831 events. 195/2831 cut-off events. For 126090/126391 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 41233 event pairs, 0 based on Foata normal form. 7/2769 useless extension candidates. Maximal degree in co-relation 23260. Up to 390 conditions per place. [2021-03-26 03:52:07,200 INFO L142 LiptonReduction]: Number of co-enabled transitions 3250 [2021-03-26 03:52:07,234 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:07,234 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:07,234 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 579 [2021-03-26 03:52:07,235 INFO L480 AbstractCegarLoop]: Abstraction has has 558 places, 463 transitions, 21315 flow [2021-03-26 03:52:07,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:07,235 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:07,235 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:07,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-03-26 03:52:07,235 INFO L428 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:07,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:07,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1282858920, now seen corresponding path program 132 times [2021-03-26 03:52:07,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:07,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556756759] [2021-03-26 03:52:07,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:07,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:07,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:07,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:07,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:07,246 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:52:07,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:52:07,253 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:52:07,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:52:07,263 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:52:07,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:52:07,277 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:52:07,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:52:07,300 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:07,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:07,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:07,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556756759] [2021-03-26 03:52:07,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:07,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:07,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887734138] [2021-03-26 03:52:07,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:07,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:07,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:07,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:07,318 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:07,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 463 transitions, 21315 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:07,319 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:07,319 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:07,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:08,222 INFO L129 PetriNetUnfolder]: 240/2933 cut-off events. [2021-03-26 03:52:08,222 INFO L130 PetriNetUnfolder]: For 131469/131823 co-relation queries the response was YES. [2021-03-26 03:52:08,254 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25460 conditions, 2933 events. 240/2933 cut-off events. For 131469/131823 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 42083 event pairs, 15 based on Foata normal form. 19/2855 useless extension candidates. Maximal degree in co-relation 25312. Up to 584 conditions per place. [2021-03-26 03:52:08,260 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 194 changer transitions 0/488 dead transitions. [2021-03-26 03:52:08,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 488 transitions, 23108 flow [2021-03-26 03:52:08,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:08,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:08,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:08,261 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:08,261 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:08,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:08,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:08,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:08,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:08,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:08,262 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:08,262 INFO L185 Difference]: Start difference. First operand has 558 places, 463 transitions, 21315 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:08,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 488 transitions, 23108 flow [2021-03-26 03:52:09,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 488 transitions, 22721 flow, removed 14 selfloop flow, removed 5 redundant places. [2021-03-26 03:52:09,153 INFO L241 Difference]: Finished difference. Result has 561 places, 463 transitions, 21319 flow [2021-03-26 03:52:09,153 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20928, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21319, PETRI_PLACES=561, PETRI_TRANSITIONS=463} [2021-03-26 03:52:09,153 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 523 predicate places. [2021-03-26 03:52:09,154 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:09,154 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 561 places, 463 transitions, 21319 flow [2021-03-26 03:52:09,154 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 561 places, 463 transitions, 21319 flow [2021-03-26 03:52:09,160 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 561 places, 463 transitions, 21319 flow [2021-03-26 03:52:09,688 INFO L129 PetriNetUnfolder]: 195/2830 cut-off events. [2021-03-26 03:52:09,688 INFO L130 PetriNetUnfolder]: For 128552/128854 co-relation queries the response was YES. [2021-03-26 03:52:09,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23695 conditions, 2830 events. 195/2830 cut-off events. For 128552/128854 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 41273 event pairs, 0 based on Foata normal form. 7/2768 useless extension candidates. Maximal degree in co-relation 23547. Up to 390 conditions per place. [2021-03-26 03:52:09,743 INFO L142 LiptonReduction]: Number of co-enabled transitions 3250 [2021-03-26 03:52:09,775 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:09,776 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:09,776 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 622 [2021-03-26 03:52:09,776 INFO L480 AbstractCegarLoop]: Abstraction has has 561 places, 463 transitions, 21319 flow [2021-03-26 03:52:09,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:09,776 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:09,776 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:09,776 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-03-26 03:52:09,776 INFO L428 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:09,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:09,777 INFO L82 PathProgramCache]: Analyzing trace with hash -766335344, now seen corresponding path program 133 times [2021-03-26 03:52:09,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:09,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494042160] [2021-03-26 03:52:09,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:09,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:09,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:09,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:09,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:09,787 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:52:09,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:52:09,794 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:52:09,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:52:09,805 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:52:09,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:52:09,819 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:52:09,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:52:09,837 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:09,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:09,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:09,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494042160] [2021-03-26 03:52:09,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:09,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:09,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4092026] [2021-03-26 03:52:09,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:09,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:09,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:09,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:09,856 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:09,857 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 561 places, 463 transitions, 21319 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:09,857 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:09,857 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:09,857 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:10,739 INFO L129 PetriNetUnfolder]: 240/2932 cut-off events. [2021-03-26 03:52:10,739 INFO L130 PetriNetUnfolder]: For 134094/134438 co-relation queries the response was YES. [2021-03-26 03:52:10,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25746 conditions, 2932 events. 240/2932 cut-off events. For 134094/134438 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 42078 event pairs, 15 based on Foata normal form. 16/2851 useless extension candidates. Maximal degree in co-relation 25597. Up to 584 conditions per place. [2021-03-26 03:52:10,777 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 284 selfloop transitions, 190 changer transitions 0/488 dead transitions. [2021-03-26 03:52:10,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 488 transitions, 23120 flow [2021-03-26 03:52:10,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:10,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:10,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:10,778 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:10,778 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:10,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:10,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:10,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:10,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:10,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:10,780 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:10,780 INFO L185 Difference]: Start difference. First operand has 561 places, 463 transitions, 21319 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:10,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 488 transitions, 23120 flow [2021-03-26 03:52:11,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 488 transitions, 22752 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 03:52:11,653 INFO L241 Difference]: Finished difference. Result has 565 places, 466 transitions, 21542 flow [2021-03-26 03:52:11,653 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20951, PETRI_DIFFERENCE_MINUEND_PLACES=556, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=187, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21542, PETRI_PLACES=565, PETRI_TRANSITIONS=466} [2021-03-26 03:52:11,653 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 527 predicate places. [2021-03-26 03:52:11,653 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:11,653 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 565 places, 466 transitions, 21542 flow [2021-03-26 03:52:11,654 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 565 places, 466 transitions, 21542 flow [2021-03-26 03:52:11,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 565 places, 466 transitions, 21542 flow [2021-03-26 03:52:12,137 INFO L129 PetriNetUnfolder]: 195/2829 cut-off events. [2021-03-26 03:52:12,137 INFO L130 PetriNetUnfolder]: For 132414/132708 co-relation queries the response was YES. [2021-03-26 03:52:12,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24026 conditions, 2829 events. 195/2829 cut-off events. For 132414/132708 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 41248 event pairs, 0 based on Foata normal form. 7/2763 useless extension candidates. Maximal degree in co-relation 23876. Up to 390 conditions per place. [2021-03-26 03:52:12,195 INFO L142 LiptonReduction]: Number of co-enabled transitions 3256 [2021-03-26 03:52:12,228 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:12,228 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:12,228 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 575 [2021-03-26 03:52:12,229 INFO L480 AbstractCegarLoop]: Abstraction has has 565 places, 466 transitions, 21542 flow [2021-03-26 03:52:12,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:12,229 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:12,229 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:12,229 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-03-26 03:52:12,229 INFO L428 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:12,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:12,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1503569646, now seen corresponding path program 134 times [2021-03-26 03:52:12,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:12,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052029653] [2021-03-26 03:52:12,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:12,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:12,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:12,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:12,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:12,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:12,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:52:12,250 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:52:12,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:52:12,270 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:52:12,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:52:12,298 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:52:12,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:52:12,326 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:12,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:12,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:12,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052029653] [2021-03-26 03:52:12,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:12,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:12,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355436079] [2021-03-26 03:52:12,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:12,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:12,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:12,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:12,351 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:12,351 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 466 transitions, 21542 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:12,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:12,351 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:12,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:13,335 INFO L129 PetriNetUnfolder]: 245/2994 cut-off events. [2021-03-26 03:52:13,335 INFO L130 PetriNetUnfolder]: For 141348/141761 co-relation queries the response was YES. [2021-03-26 03:52:13,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26565 conditions, 2994 events. 245/2994 cut-off events. For 141348/141761 co-relation queries the response was YES. Maximal size of possible extension queue 535. Compared 43081 event pairs, 14 based on Foata normal form. 7/2911 useless extension candidates. Maximal degree in co-relation 26414. Up to 594 conditions per place. [2021-03-26 03:52:13,369 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 322 selfloop transitions, 224 changer transitions 2/562 dead transitions. [2021-03-26 03:52:13,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 562 transitions, 26254 flow [2021-03-26 03:52:13,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:13,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:13,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:13,370 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:13,370 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:13,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:13,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:13,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:13,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:13,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:13,370 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:13,370 INFO L185 Difference]: Start difference. First operand has 565 places, 466 transitions, 21542 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:13,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 562 transitions, 26254 flow [2021-03-26 03:52:14,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 562 transitions, 25835 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-03-26 03:52:14,219 INFO L241 Difference]: Finished difference. Result has 574 places, 504 transitions, 23400 flow [2021-03-26 03:52:14,219 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21189, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=466, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23400, PETRI_PLACES=574, PETRI_TRANSITIONS=504} [2021-03-26 03:52:14,219 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 536 predicate places. [2021-03-26 03:52:14,219 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:14,219 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 574 places, 504 transitions, 23400 flow [2021-03-26 03:52:14,219 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 574 places, 504 transitions, 23400 flow [2021-03-26 03:52:14,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 573 places, 504 transitions, 23400 flow [2021-03-26 03:52:14,718 INFO L129 PetriNetUnfolder]: 200/2893 cut-off events. [2021-03-26 03:52:14,718 INFO L130 PetriNetUnfolder]: For 144681/144948 co-relation queries the response was YES. [2021-03-26 03:52:14,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25076 conditions, 2893 events. 200/2893 cut-off events. For 144681/144948 co-relation queries the response was YES. Maximal size of possible extension queue 530. Compared 42345 event pairs, 0 based on Foata normal form. 9/2829 useless extension candidates. Maximal degree in co-relation 24920. Up to 400 conditions per place. [2021-03-26 03:52:14,779 INFO L142 LiptonReduction]: Number of co-enabled transitions 3446 [2021-03-26 03:52:14,818 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:14,818 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:14,818 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 599 [2021-03-26 03:52:14,818 INFO L480 AbstractCegarLoop]: Abstraction has has 573 places, 504 transitions, 23400 flow [2021-03-26 03:52:14,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:14,819 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:14,819 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:14,819 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-03-26 03:52:14,819 INFO L428 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:14,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:14,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1479225812, now seen corresponding path program 135 times [2021-03-26 03:52:14,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:14,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298276403] [2021-03-26 03:52:14,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:14,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:14,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:14,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:14,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:14,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:14,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:52:14,836 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:52:14,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:52:14,852 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:52:14,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:52:14,872 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:52:14,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:52:14,890 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:14,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:14,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:14,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298276403] [2021-03-26 03:52:14,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:14,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:14,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952057666] [2021-03-26 03:52:14,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:14,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:14,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:14,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:14,909 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:14,909 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 504 transitions, 23400 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:14,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:14,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:14,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:15,923 INFO L129 PetriNetUnfolder]: 248/3035 cut-off events. [2021-03-26 03:52:15,923 INFO L130 PetriNetUnfolder]: For 154245/154591 co-relation queries the response was YES. [2021-03-26 03:52:15,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27591 conditions, 3035 events. 248/3035 cut-off events. For 154245/154591 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 43781 event pairs, 17 based on Foata normal form. 16/2968 useless extension candidates. Maximal degree in co-relation 27434. Up to 582 conditions per place. [2021-03-26 03:52:15,964 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 321 selfloop transitions, 251 changer transitions 2/588 dead transitions. [2021-03-26 03:52:15,964 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 588 transitions, 27646 flow [2021-03-26 03:52:15,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:15,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:15,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:15,965 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:15,965 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:15,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:15,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:15,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:15,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:15,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:15,965 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:15,966 INFO L185 Difference]: Start difference. First operand has 573 places, 504 transitions, 23400 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:15,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 588 transitions, 27646 flow [2021-03-26 03:52:16,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 577 places, 588 transitions, 27399 flow, removed 71 selfloop flow, removed 3 redundant places. [2021-03-26 03:52:16,959 INFO L241 Difference]: Finished difference. Result has 583 places, 532 transitions, 25284 flow [2021-03-26 03:52:16,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=23195, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=504, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=223, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=25284, PETRI_PLACES=583, PETRI_TRANSITIONS=532} [2021-03-26 03:52:16,960 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 545 predicate places. [2021-03-26 03:52:16,960 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:16,960 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 583 places, 532 transitions, 25284 flow [2021-03-26 03:52:16,960 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 583 places, 532 transitions, 25284 flow [2021-03-26 03:52:16,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 582 places, 532 transitions, 25284 flow [2021-03-26 03:52:17,641 INFO L129 PetriNetUnfolder]: 204/2942 cut-off events. [2021-03-26 03:52:17,641 INFO L130 PetriNetUnfolder]: For 154054/154360 co-relation queries the response was YES. [2021-03-26 03:52:17,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25933 conditions, 2942 events. 204/2942 cut-off events. For 154054/154360 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 43204 event pairs, 0 based on Foata normal form. 8/2881 useless extension candidates. Maximal degree in co-relation 25773. Up to 408 conditions per place. [2021-03-26 03:52:17,703 INFO L142 LiptonReduction]: Number of co-enabled transitions 3686 [2021-03-26 03:52:17,744 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:17,744 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:17,744 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 784 [2021-03-26 03:52:17,744 INFO L480 AbstractCegarLoop]: Abstraction has has 582 places, 532 transitions, 25284 flow [2021-03-26 03:52:17,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:17,744 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:17,744 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:17,744 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-03-26 03:52:17,744 INFO L428 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:17,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:17,745 INFO L82 PathProgramCache]: Analyzing trace with hash -806306608, now seen corresponding path program 136 times [2021-03-26 03:52:17,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:17,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819522931] [2021-03-26 03:52:17,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:17,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:17,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:17,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:17,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:17,758 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:52:17,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:52:17,766 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:52:17,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:52:17,778 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:52:17,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:52:17,794 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:52:17,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:52:17,826 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:17,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:17,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:17,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819522931] [2021-03-26 03:52:17,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:17,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:17,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953142358] [2021-03-26 03:52:17,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:17,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:17,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:17,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:17,853 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:17,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 582 places, 532 transitions, 25284 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:17,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:17,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:17,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:18,874 INFO L129 PetriNetUnfolder]: 247/3025 cut-off events. [2021-03-26 03:52:18,875 INFO L130 PetriNetUnfolder]: For 161258/161592 co-relation queries the response was YES. [2021-03-26 03:52:18,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28108 conditions, 3025 events. 247/3025 cut-off events. For 161258/161592 co-relation queries the response was YES. Maximal size of possible extension queue 540. Compared 43640 event pairs, 28 based on Foata normal form. 34/2982 useless extension candidates. Maximal degree in co-relation 27947. Up to 592 conditions per place. [2021-03-26 03:52:18,915 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 319 selfloop transitions, 217 changer transitions 0/550 dead transitions. [2021-03-26 03:52:18,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 589 places, 550 transitions, 26935 flow [2021-03-26 03:52:18,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:18,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:18,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:18,916 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:18,916 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:18,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:18,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:18,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:18,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:18,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:18,917 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:18,917 INFO L185 Difference]: Start difference. First operand has 582 places, 532 transitions, 25284 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:18,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 589 places, 550 transitions, 26935 flow [2021-03-26 03:52:20,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 585 places, 550 transitions, 26601 flow, removed 71 selfloop flow, removed 4 redundant places. [2021-03-26 03:52:20,021 INFO L241 Difference]: Finished difference. Result has 586 places, 532 transitions, 25395 flow [2021-03-26 03:52:20,021 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=24958, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=217, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=25395, PETRI_PLACES=586, PETRI_TRANSITIONS=532} [2021-03-26 03:52:20,021 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 548 predicate places. [2021-03-26 03:52:20,021 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:20,021 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 586 places, 532 transitions, 25395 flow [2021-03-26 03:52:20,021 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 586 places, 532 transitions, 25395 flow [2021-03-26 03:52:20,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 586 places, 532 transitions, 25395 flow [2021-03-26 03:52:20,539 INFO L129 PetriNetUnfolder]: 204/2941 cut-off events. [2021-03-26 03:52:20,539 INFO L130 PetriNetUnfolder]: For 153070/153376 co-relation queries the response was YES. [2021-03-26 03:52:20,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26097 conditions, 2941 events. 204/2941 cut-off events. For 153070/153376 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 43254 event pairs, 0 based on Foata normal form. 8/2878 useless extension candidates. Maximal degree in co-relation 25939. Up to 408 conditions per place. [2021-03-26 03:52:20,600 INFO L142 LiptonReduction]: Number of co-enabled transitions 3686 [2021-03-26 03:52:20,645 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:20,645 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:20,645 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 624 [2021-03-26 03:52:20,645 INFO L480 AbstractCegarLoop]: Abstraction has has 586 places, 532 transitions, 25395 flow [2021-03-26 03:52:20,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:20,645 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:20,645 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:20,646 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-03-26 03:52:20,646 INFO L428 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:20,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:20,646 INFO L82 PathProgramCache]: Analyzing trace with hash -2079182480, now seen corresponding path program 137 times [2021-03-26 03:52:20,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:20,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425594310] [2021-03-26 03:52:20,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:20,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:20,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:20,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:20,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:20,660 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:52:20,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:52:20,668 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:52:20,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:52:20,679 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:52:20,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:52:20,706 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:52:20,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:52:20,727 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:20,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:20,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:20,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425594310] [2021-03-26 03:52:20,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:20,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:20,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982864606] [2021-03-26 03:52:20,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:20,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:20,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:20,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:20,750 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:20,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 532 transitions, 25395 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:20,750 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:20,750 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:20,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:21,796 INFO L129 PetriNetUnfolder]: 247/3038 cut-off events. [2021-03-26 03:52:21,797 INFO L130 PetriNetUnfolder]: For 159797/160011 co-relation queries the response was YES. [2021-03-26 03:52:21,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28285 conditions, 3038 events. 247/3038 cut-off events. For 159797/160011 co-relation queries the response was YES. Maximal size of possible extension queue 543. Compared 43933 event pairs, 17 based on Foata normal form. 23/2989 useless extension candidates. Maximal degree in co-relation 28126. Up to 592 conditions per place. [2021-03-26 03:52:21,838 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 331 selfloop transitions, 205 changer transitions 0/550 dead transitions. [2021-03-26 03:52:21,838 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 593 places, 550 transitions, 27046 flow [2021-03-26 03:52:21,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:21,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:21,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:21,839 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:21,839 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:21,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:21,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:21,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:21,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:21,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:21,840 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:21,840 INFO L185 Difference]: Start difference. First operand has 586 places, 532 transitions, 25395 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:21,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 593 places, 550 transitions, 27046 flow [2021-03-26 03:52:22,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 588 places, 550 transitions, 26628 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 03:52:22,947 INFO L241 Difference]: Finished difference. Result has 590 places, 533 transitions, 25467 flow [2021-03-26 03:52:22,947 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=24977, PETRI_DIFFERENCE_MINUEND_PLACES=581, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=204, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=25467, PETRI_PLACES=590, PETRI_TRANSITIONS=533} [2021-03-26 03:52:22,947 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 552 predicate places. [2021-03-26 03:52:22,947 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:22,947 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 590 places, 533 transitions, 25467 flow [2021-03-26 03:52:22,947 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 590 places, 533 transitions, 25467 flow [2021-03-26 03:52:22,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 590 places, 533 transitions, 25467 flow [2021-03-26 03:52:23,488 INFO L129 PetriNetUnfolder]: 204/2940 cut-off events. [2021-03-26 03:52:23,488 INFO L130 PetriNetUnfolder]: For 157343/157689 co-relation queries the response was YES. [2021-03-26 03:52:23,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26397 conditions, 2940 events. 204/2940 cut-off events. For 157343/157689 co-relation queries the response was YES. Maximal size of possible extension queue 544. Compared 43246 event pairs, 0 based on Foata normal form. 11/2886 useless extension candidates. Maximal degree in co-relation 26237. Up to 408 conditions per place. [2021-03-26 03:52:23,552 INFO L142 LiptonReduction]: Number of co-enabled transitions 3688 [2021-03-26 03:52:23,597 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:23,597 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:23,597 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 650 [2021-03-26 03:52:23,597 INFO L480 AbstractCegarLoop]: Abstraction has has 590 places, 533 transitions, 25467 flow [2021-03-26 03:52:23,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:23,597 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:23,598 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:23,598 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-03-26 03:52:23,598 INFO L428 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:23,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:23,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1032176724, now seen corresponding path program 138 times [2021-03-26 03:52:23,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:23,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200002591] [2021-03-26 03:52:23,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:23,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:23,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:23,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:23,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:23,610 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:52:23,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:52:23,621 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:52:23,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:52:23,637 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:52:23,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:52:23,657 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:52:23,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:52:23,676 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:23,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:23,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:23,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200002591] [2021-03-26 03:52:23,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:23,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:23,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637402662] [2021-03-26 03:52:23,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:23,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:23,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:23,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:23,695 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:23,695 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 590 places, 533 transitions, 25467 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:23,695 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:23,695 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:23,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:24,842 INFO L129 PetriNetUnfolder]: 266/3307 cut-off events. [2021-03-26 03:52:24,843 INFO L130 PetriNetUnfolder]: For 177102/177354 co-relation queries the response was YES. [2021-03-26 03:52:24,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30863 conditions, 3307 events. 266/3307 cut-off events. For 177102/177354 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 48607 event pairs, 17 based on Foata normal form. 17/3242 useless extension candidates. Maximal degree in co-relation 30702. Up to 615 conditions per place. [2021-03-26 03:52:24,890 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 338 selfloop transitions, 268 changer transitions 2/622 dead transitions. [2021-03-26 03:52:24,890 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 597 places, 622 transitions, 30258 flow [2021-03-26 03:52:24,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:24,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:24,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:24,891 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:24,891 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:24,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:24,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:24,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:24,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:24,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:24,891 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:24,892 INFO L185 Difference]: Start difference. First operand has 590 places, 533 transitions, 25467 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:24,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 597 places, 622 transitions, 30258 flow [2021-03-26 03:52:26,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 593 places, 622 transitions, 29775 flow, removed 49 selfloop flow, removed 4 redundant places. [2021-03-26 03:52:26,236 INFO L241 Difference]: Finished difference. Result has 599 places, 562 transitions, 27264 flow [2021-03-26 03:52:26,236 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=25072, PETRI_DIFFERENCE_MINUEND_PLACES=586, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=239, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27264, PETRI_PLACES=599, PETRI_TRANSITIONS=562} [2021-03-26 03:52:26,236 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 561 predicate places. [2021-03-26 03:52:26,236 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:26,236 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 599 places, 562 transitions, 27264 flow [2021-03-26 03:52:26,237 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 599 places, 562 transitions, 27264 flow [2021-03-26 03:52:26,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 598 places, 562 transitions, 27264 flow [2021-03-26 03:52:26,869 INFO L129 PetriNetUnfolder]: 223/3205 cut-off events. [2021-03-26 03:52:26,869 INFO L130 PetriNetUnfolder]: For 181491/181895 co-relation queries the response was YES. [2021-03-26 03:52:26,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29202 conditions, 3205 events. 223/3205 cut-off events. For 181491/181895 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47851 event pairs, 0 based on Foata normal form. 9/3134 useless extension candidates. Maximal degree in co-relation 29036. Up to 446 conditions per place. [2021-03-26 03:52:26,943 INFO L142 LiptonReduction]: Number of co-enabled transitions 3956 [2021-03-26 03:52:26,991 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:26,991 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:26,991 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 755 [2021-03-26 03:52:26,991 INFO L480 AbstractCegarLoop]: Abstraction has has 598 places, 562 transitions, 27264 flow [2021-03-26 03:52:26,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:26,991 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:26,992 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:26,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-03-26 03:52:26,992 INFO L428 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:26,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:26,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1771496192, now seen corresponding path program 139 times [2021-03-26 03:52:26,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:26,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191278655] [2021-03-26 03:52:26,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:27,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:27,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:27,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:27,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:27,008 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:52:27,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:52:27,015 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:52:27,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:52:27,025 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:52:27,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:52:27,049 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:52:27,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:52:27,068 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:27,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:27,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:27,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191278655] [2021-03-26 03:52:27,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:27,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:27,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673150722] [2021-03-26 03:52:27,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:27,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:27,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:27,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:27,087 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:27,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 598 places, 562 transitions, 27264 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:27,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:27,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:27,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:28,281 INFO L129 PetriNetUnfolder]: 265/3299 cut-off events. [2021-03-26 03:52:28,281 INFO L130 PetriNetUnfolder]: For 190484/190959 co-relation queries the response was YES. [2021-03-26 03:52:28,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31562 conditions, 3299 events. 265/3299 cut-off events. For 190484/190959 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 48556 event pairs, 18 based on Foata normal form. 24/3221 useless extension candidates. Maximal degree in co-relation 31395. Up to 610 conditions per place. [2021-03-26 03:52:28,330 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 345 selfloop transitions, 220 changer transitions 0/579 dead transitions. [2021-03-26 03:52:28,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 579 transitions, 28952 flow [2021-03-26 03:52:28,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:28,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:28,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:28,331 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:28,331 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:28,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:28,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:28,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:28,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:28,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:28,331 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:28,332 INFO L185 Difference]: Start difference. First operand has 598 places, 562 transitions, 27264 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:28,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 579 transitions, 28952 flow [2021-03-26 03:52:29,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 602 places, 579 transitions, 28743 flow, removed 51 selfloop flow, removed 3 redundant places. [2021-03-26 03:52:29,653 INFO L241 Difference]: Finished difference. Result has 603 places, 562 transitions, 27508 flow [2021-03-26 03:52:29,654 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27065, PETRI_DIFFERENCE_MINUEND_PLACES=595, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=220, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27508, PETRI_PLACES=603, PETRI_TRANSITIONS=562} [2021-03-26 03:52:29,654 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 565 predicate places. [2021-03-26 03:52:29,654 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:29,654 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 603 places, 562 transitions, 27508 flow [2021-03-26 03:52:29,654 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 603 places, 562 transitions, 27508 flow [2021-03-26 03:52:29,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 603 places, 562 transitions, 27508 flow [2021-03-26 03:52:30,295 INFO L129 PetriNetUnfolder]: 223/3204 cut-off events. [2021-03-26 03:52:30,296 INFO L130 PetriNetUnfolder]: For 182079/182594 co-relation queries the response was YES. [2021-03-26 03:52:30,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29441 conditions, 3204 events. 223/3204 cut-off events. For 182079/182594 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 47875 event pairs, 0 based on Foata normal form. 9/3129 useless extension candidates. Maximal degree in co-relation 29276. Up to 446 conditions per place. [2021-03-26 03:52:30,367 INFO L142 LiptonReduction]: Number of co-enabled transitions 3956 [2021-03-26 03:52:30,412 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:30,413 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:30,413 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 759 [2021-03-26 03:52:30,413 INFO L480 AbstractCegarLoop]: Abstraction has has 603 places, 562 transitions, 27508 flow [2021-03-26 03:52:30,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:30,413 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:30,413 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:30,413 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-03-26 03:52:30,413 INFO L428 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:30,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:30,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1230006316, now seen corresponding path program 140 times [2021-03-26 03:52:30,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:30,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660952137] [2021-03-26 03:52:30,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:30,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:30,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:30,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:30,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:30,426 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:52:30,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:52:30,432 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:52:30,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:52:30,442 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:52:30,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:52:30,457 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:52:30,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:52:30,475 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:30,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:30,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:30,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660952137] [2021-03-26 03:52:30,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:30,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:30,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591062284] [2021-03-26 03:52:30,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:30,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:30,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:30,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:30,494 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:30,494 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 603 places, 562 transitions, 27508 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:30,494 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:30,494 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:30,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:31,668 INFO L129 PetriNetUnfolder]: 265/3298 cut-off events. [2021-03-26 03:52:31,669 INFO L130 PetriNetUnfolder]: For 190841/191338 co-relation queries the response was YES. [2021-03-26 03:52:31,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31810 conditions, 3298 events. 265/3298 cut-off events. For 190841/191338 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 48546 event pairs, 18 based on Foata normal form. 31/3227 useless extension candidates. Maximal degree in co-relation 31644. Up to 610 conditions per place. [2021-03-26 03:52:31,716 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 352 selfloop transitions, 213 changer transitions 0/579 dead transitions. [2021-03-26 03:52:31,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 579 transitions, 29194 flow [2021-03-26 03:52:31,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:31,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:31,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:31,717 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:31,717 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:31,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:31,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:31,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:31,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:31,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:31,718 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:31,718 INFO L185 Difference]: Start difference. First operand has 603 places, 562 transitions, 27508 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:31,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 610 places, 579 transitions, 29194 flow [2021-03-26 03:52:33,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 579 transitions, 28673 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-03-26 03:52:33,071 INFO L241 Difference]: Finished difference. Result has 604 places, 562 transitions, 27416 flow [2021-03-26 03:52:33,071 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=26987, PETRI_DIFFERENCE_MINUEND_PLACES=596, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27416, PETRI_PLACES=604, PETRI_TRANSITIONS=562} [2021-03-26 03:52:33,071 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 566 predicate places. [2021-03-26 03:52:33,071 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:33,072 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 604 places, 562 transitions, 27416 flow [2021-03-26 03:52:33,072 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 604 places, 562 transitions, 27416 flow [2021-03-26 03:52:33,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 604 places, 562 transitions, 27416 flow [2021-03-26 03:52:33,751 INFO L129 PetriNetUnfolder]: 223/3203 cut-off events. [2021-03-26 03:52:33,752 INFO L130 PetriNetUnfolder]: For 186462/186950 co-relation queries the response was YES. [2021-03-26 03:52:33,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29663 conditions, 3203 events. 223/3203 cut-off events. For 186462/186950 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47831 event pairs, 0 based on Foata normal form. 8/3131 useless extension candidates. Maximal degree in co-relation 29497. Up to 446 conditions per place. [2021-03-26 03:52:33,829 INFO L142 LiptonReduction]: Number of co-enabled transitions 3956 [2021-03-26 03:52:33,967 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:33,967 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:33,967 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 896 [2021-03-26 03:52:33,967 INFO L480 AbstractCegarLoop]: Abstraction has has 604 places, 562 transitions, 27416 flow [2021-03-26 03:52:33,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:33,967 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:33,967 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:33,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-03-26 03:52:33,967 INFO L428 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:33,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:33,968 INFO L82 PathProgramCache]: Analyzing trace with hash 271654616, now seen corresponding path program 141 times [2021-03-26 03:52:33,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:33,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325370446] [2021-03-26 03:52:33,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:33,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:33,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:33,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:33,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:33,978 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:52:33,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:52:33,985 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:52:33,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:52:33,995 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:52:33,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:52:34,008 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:52:34,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:52:34,027 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:34,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:34,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:34,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325370446] [2021-03-26 03:52:34,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:34,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:34,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690210405] [2021-03-26 03:52:34,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:34,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:34,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:34,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:34,046 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:34,046 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 604 places, 562 transitions, 27416 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:34,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:34,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:34,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:35,246 INFO L129 PetriNetUnfolder]: 265/3297 cut-off events. [2021-03-26 03:52:35,246 INFO L130 PetriNetUnfolder]: For 195461/195958 co-relation queries the response was YES. [2021-03-26 03:52:35,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32030 conditions, 3297 events. 265/3297 cut-off events. For 195461/195958 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 48510 event pairs, 18 based on Foata normal form. 31/3226 useless extension candidates. Maximal degree in co-relation 31863. Up to 610 conditions per place. [2021-03-26 03:52:35,296 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 352 selfloop transitions, 213 changer transitions 0/579 dead transitions. [2021-03-26 03:52:35,296 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 611 places, 579 transitions, 29110 flow [2021-03-26 03:52:35,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:35,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:35,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:35,297 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:35,297 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:35,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:35,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:35,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:35,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:35,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:35,298 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:35,298 INFO L185 Difference]: Start difference. First operand has 604 places, 562 transitions, 27416 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:35,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 611 places, 579 transitions, 29110 flow [2021-03-26 03:52:36,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 608 places, 579 transitions, 28799 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 03:52:36,676 INFO L241 Difference]: Finished difference. Result has 610 places, 564 transitions, 27679 flow [2021-03-26 03:52:36,676 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27105, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=211, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27679, PETRI_PLACES=610, PETRI_TRANSITIONS=564} [2021-03-26 03:52:36,676 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 572 predicate places. [2021-03-26 03:52:36,676 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:36,676 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 610 places, 564 transitions, 27679 flow [2021-03-26 03:52:36,676 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 610 places, 564 transitions, 27679 flow [2021-03-26 03:52:36,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 610 places, 564 transitions, 27679 flow [2021-03-26 03:52:37,311 INFO L129 PetriNetUnfolder]: 223/3202 cut-off events. [2021-03-26 03:52:37,311 INFO L130 PetriNetUnfolder]: For 193304/193766 co-relation queries the response was YES. [2021-03-26 03:52:37,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30178 conditions, 3202 events. 223/3202 cut-off events. For 193304/193766 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 47784 event pairs, 0 based on Foata normal form. 8/3131 useless extension candidates. Maximal degree in co-relation 30010. Up to 446 conditions per place. [2021-03-26 03:52:37,384 INFO L142 LiptonReduction]: Number of co-enabled transitions 3960 [2021-03-26 03:52:37,433 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:37,434 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:37,434 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 758 [2021-03-26 03:52:37,434 INFO L480 AbstractCegarLoop]: Abstraction has has 610 places, 564 transitions, 27679 flow [2021-03-26 03:52:37,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:37,434 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:37,434 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:37,434 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-03-26 03:52:37,434 INFO L428 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:37,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:37,434 INFO L82 PathProgramCache]: Analyzing trace with hash 405570734, now seen corresponding path program 142 times [2021-03-26 03:52:37,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:37,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623835695] [2021-03-26 03:52:37,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:37,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:37,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:37,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:37,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:37,446 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:52:37,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:52:37,452 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:52:37,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:52:37,462 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:52:37,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:52:37,477 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:52:37,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:52:37,508 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:37,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:37,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:37,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623835695] [2021-03-26 03:52:37,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:37,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:37,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37191665] [2021-03-26 03:52:37,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:37,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:37,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:37,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:37,527 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:37,528 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 610 places, 564 transitions, 27679 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:37,528 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:37,528 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:37,528 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:38,722 INFO L129 PetriNetUnfolder]: 265/3284 cut-off events. [2021-03-26 03:52:38,722 INFO L130 PetriNetUnfolder]: For 203099/203574 co-relation queries the response was YES. [2021-03-26 03:52:38,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32531 conditions, 3284 events. 265/3284 cut-off events. For 203099/203574 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 48186 event pairs, 30 based on Foata normal form. 24/3205 useless extension candidates. Maximal degree in co-relation 32362. Up to 610 conditions per place. [2021-03-26 03:52:38,775 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 351 selfloop transitions, 214 changer transitions 0/579 dead transitions. [2021-03-26 03:52:38,776 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 617 places, 579 transitions, 29285 flow [2021-03-26 03:52:38,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:38,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:38,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:38,777 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:38,777 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:38,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:38,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:38,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:38,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:38,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:38,777 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:38,777 INFO L185 Difference]: Start difference. First operand has 610 places, 564 transitions, 27679 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:38,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 617 places, 579 transitions, 29285 flow [2021-03-26 03:52:40,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 613 places, 579 transitions, 28900 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-26 03:52:40,160 INFO L241 Difference]: Finished difference. Result has 614 places, 564 transitions, 27725 flow [2021-03-26 03:52:40,161 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27294, PETRI_DIFFERENCE_MINUEND_PLACES=606, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=214, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27725, PETRI_PLACES=614, PETRI_TRANSITIONS=564} [2021-03-26 03:52:40,161 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 576 predicate places. [2021-03-26 03:52:40,161 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:40,161 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 614 places, 564 transitions, 27725 flow [2021-03-26 03:52:40,161 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 614 places, 564 transitions, 27725 flow [2021-03-26 03:52:40,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 614 places, 564 transitions, 27725 flow [2021-03-26 03:52:40,869 INFO L129 PetriNetUnfolder]: 223/3201 cut-off events. [2021-03-26 03:52:40,869 INFO L130 PetriNetUnfolder]: For 197836/198403 co-relation queries the response was YES. [2021-03-26 03:52:40,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30509 conditions, 3201 events. 223/3201 cut-off events. For 197836/198403 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 47821 event pairs, 0 based on Foata normal form. 8/3130 useless extension candidates. Maximal degree in co-relation 30340. Up to 446 conditions per place. [2021-03-26 03:52:40,940 INFO L142 LiptonReduction]: Number of co-enabled transitions 3960 [2021-03-26 03:52:40,986 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:40,986 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:40,986 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 825 [2021-03-26 03:52:40,987 INFO L480 AbstractCegarLoop]: Abstraction has has 614 places, 564 transitions, 27725 flow [2021-03-26 03:52:40,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:40,987 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:40,987 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:40,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-03-26 03:52:40,987 INFO L428 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:40,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:40,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1131673878, now seen corresponding path program 143 times [2021-03-26 03:52:40,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:40,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175969972] [2021-03-26 03:52:40,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:40,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:40,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:40,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:40,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:41,001 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:52:41,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:52:41,013 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:52:41,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:52:41,033 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:52:41,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:52:41,053 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:52:41,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:52:41,072 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:41,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:41,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:41,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175969972] [2021-03-26 03:52:41,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:41,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:41,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051654578] [2021-03-26 03:52:41,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:41,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:41,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:41,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:41,090 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:41,090 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 614 places, 564 transitions, 27725 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:41,090 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:41,090 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:41,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:42,340 INFO L129 PetriNetUnfolder]: 266/3324 cut-off events. [2021-03-26 03:52:42,340 INFO L130 PetriNetUnfolder]: For 208545/209020 co-relation queries the response was YES. [2021-03-26 03:52:42,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33067 conditions, 3324 events. 266/3324 cut-off events. For 208545/209020 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 49074 event pairs, 15 based on Foata normal form. 21/3246 useless extension candidates. Maximal degree in co-relation 32897. Up to 642 conditions per place. [2021-03-26 03:52:42,382 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 317 selfloop transitions, 290 changer transitions 2/623 dead transitions. [2021-03-26 03:52:42,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 623 transitions, 31236 flow [2021-03-26 03:52:42,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:42,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:42,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:42,383 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:42,383 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:42,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:42,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:42,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:42,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:42,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:42,384 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:42,384 INFO L185 Difference]: Start difference. First operand has 614 places, 564 transitions, 27725 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:42,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 623 transitions, 31236 flow [2021-03-26 03:52:43,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 617 places, 623 transitions, 30832 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 03:52:43,605 INFO L241 Difference]: Finished difference. Result has 623 places, 578 transitions, 28963 flow [2021-03-26 03:52:43,605 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27360, PETRI_DIFFERENCE_MINUEND_PLACES=610, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=276, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=28963, PETRI_PLACES=623, PETRI_TRANSITIONS=578} [2021-03-26 03:52:43,605 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 585 predicate places. [2021-03-26 03:52:43,605 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:43,605 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 623 places, 578 transitions, 28963 flow [2021-03-26 03:52:43,605 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 623 places, 578 transitions, 28963 flow [2021-03-26 03:52:43,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 622 places, 578 transitions, 28963 flow [2021-03-26 03:52:44,245 INFO L129 PetriNetUnfolder]: 225/3224 cut-off events. [2021-03-26 03:52:44,245 INFO L130 PetriNetUnfolder]: For 213266/213691 co-relation queries the response was YES. [2021-03-26 03:52:44,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31374 conditions, 3224 events. 225/3224 cut-off events. For 213266/213691 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 48162 event pairs, 0 based on Foata normal form. 11/3160 useless extension candidates. Maximal degree in co-relation 31199. Up to 450 conditions per place. [2021-03-26 03:52:44,318 INFO L142 LiptonReduction]: Number of co-enabled transitions 4068 [2021-03-26 03:52:44,368 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:44,368 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:44,369 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 764 [2021-03-26 03:52:44,369 INFO L480 AbstractCegarLoop]: Abstraction has has 622 places, 578 transitions, 28963 flow [2021-03-26 03:52:44,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:44,369 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:44,369 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:44,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-03-26 03:52:44,369 INFO L428 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:44,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:44,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1557411738, now seen corresponding path program 144 times [2021-03-26 03:52:44,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:44,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403108782] [2021-03-26 03:52:44,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:44,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:44,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:44,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:44,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:44,383 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:52:44,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:52:44,395 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:52:44,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:52:44,405 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:52:44,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:52:44,419 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:52:44,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:52:44,438 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:44,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:44,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403108782] [2021-03-26 03:52:44,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:44,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:44,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819978386] [2021-03-26 03:52:44,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:44,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:44,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:44,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:44,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:44,457 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 578 transitions, 28963 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:44,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:44,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:44,457 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:45,711 INFO L129 PetriNetUnfolder]: 265/3314 cut-off events. [2021-03-26 03:52:45,711 INFO L130 PetriNetUnfolder]: For 223042/223548 co-relation queries the response was YES. [2021-03-26 03:52:45,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33716 conditions, 3314 events. 265/3314 cut-off events. For 223042/223548 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 48816 event pairs, 16 based on Foata normal form. 32/3252 useless extension candidates. Maximal degree in co-relation 33540. Up to 642 conditions per place. [2021-03-26 03:52:45,759 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 343 selfloop transitions, 256 changer transitions 0/613 dead transitions. [2021-03-26 03:52:45,759 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 629 places, 613 transitions, 31487 flow [2021-03-26 03:52:45,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:45,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:45,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:45,760 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:45,760 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:45,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:45,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:45,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:45,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:45,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:45,761 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:45,761 INFO L185 Difference]: Start difference. First operand has 622 places, 578 transitions, 28963 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:45,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 629 places, 613 transitions, 31487 flow [2021-03-26 03:52:47,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 624 places, 613 transitions, 31118 flow, removed 57 selfloop flow, removed 5 redundant places. [2021-03-26 03:52:47,318 INFO L241 Difference]: Finished difference. Result has 627 places, 589 transitions, 29679 flow [2021-03-26 03:52:47,318 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=28616, PETRI_DIFFERENCE_MINUEND_PLACES=617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=578, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=245, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=29679, PETRI_PLACES=627, PETRI_TRANSITIONS=589} [2021-03-26 03:52:47,318 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 589 predicate places. [2021-03-26 03:52:47,318 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:47,318 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 627 places, 589 transitions, 29679 flow [2021-03-26 03:52:47,318 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 627 places, 589 transitions, 29679 flow [2021-03-26 03:52:47,326 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 627 places, 589 transitions, 29679 flow [2021-03-26 03:52:47,970 INFO L129 PetriNetUnfolder]: 225/3223 cut-off events. [2021-03-26 03:52:47,970 INFO L130 PetriNetUnfolder]: For 216023/216511 co-relation queries the response was YES. [2021-03-26 03:52:48,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31510 conditions, 3223 events. 225/3223 cut-off events. For 216023/216511 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 48088 event pairs, 0 based on Foata normal form. 10/3160 useless extension candidates. Maximal degree in co-relation 31334. Up to 450 conditions per place. [2021-03-26 03:52:48,044 INFO L142 LiptonReduction]: Number of co-enabled transitions 4116 [2021-03-26 03:52:48,097 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:48,097 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:48,097 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 779 [2021-03-26 03:52:48,097 INFO L480 AbstractCegarLoop]: Abstraction has has 627 places, 589 transitions, 29679 flow [2021-03-26 03:52:48,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:48,097 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:48,097 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:48,097 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-03-26 03:52:48,097 INFO L428 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:48,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:48,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1054613808, now seen corresponding path program 145 times [2021-03-26 03:52:48,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:48,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466290671] [2021-03-26 03:52:48,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:48,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:48,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:48,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:48,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:48,110 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:52:48,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:52:48,125 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:52:48,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:52:48,140 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:52:48,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:52:48,155 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:52:48,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:52:48,174 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:48,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:48,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:48,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466290671] [2021-03-26 03:52:48,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:48,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:48,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885825594] [2021-03-26 03:52:48,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:48,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:48,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:48,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:48,193 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:48,193 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 627 places, 589 transitions, 29679 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:48,193 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:48,193 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:48,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:49,464 INFO L129 PetriNetUnfolder]: 265/3313 cut-off events. [2021-03-26 03:52:49,464 INFO L130 PetriNetUnfolder]: For 225851/226364 co-relation queries the response was YES. [2021-03-26 03:52:49,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33854 conditions, 3313 events. 265/3313 cut-off events. For 225851/226364 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 48844 event pairs, 16 based on Foata normal form. 34/3245 useless extension candidates. Maximal degree in co-relation 33677. Up to 642 conditions per place. [2021-03-26 03:52:49,516 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 346 selfloop transitions, 253 changer transitions 0/613 dead transitions. [2021-03-26 03:52:49,516 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 634 places, 613 transitions, 31766 flow [2021-03-26 03:52:49,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:49,517 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:49,517 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:49,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:49,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:49,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:49,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:49,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:49,518 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:49,518 INFO L185 Difference]: Start difference. First operand has 627 places, 589 transitions, 29679 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:49,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 634 places, 613 transitions, 31766 flow [2021-03-26 03:52:51,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 613 transitions, 31350 flow, removed 24 selfloop flow, removed 2 redundant places. [2021-03-26 03:52:51,094 INFO L241 Difference]: Finished difference. Result has 635 places, 594 transitions, 30040 flow [2021-03-26 03:52:51,095 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=29263, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=589, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=248, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30040, PETRI_PLACES=635, PETRI_TRANSITIONS=594} [2021-03-26 03:52:51,095 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 597 predicate places. [2021-03-26 03:52:51,095 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:51,095 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 635 places, 594 transitions, 30040 flow [2021-03-26 03:52:51,095 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 635 places, 594 transitions, 30040 flow [2021-03-26 03:52:51,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 635 places, 594 transitions, 30040 flow [2021-03-26 03:52:51,767 INFO L129 PetriNetUnfolder]: 225/3222 cut-off events. [2021-03-26 03:52:51,767 INFO L130 PetriNetUnfolder]: For 222872/223477 co-relation queries the response was YES. [2021-03-26 03:52:51,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31976 conditions, 3222 events. 225/3222 cut-off events. For 222872/223477 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 48170 event pairs, 0 based on Foata normal form. 10/3158 useless extension candidates. Maximal degree in co-relation 31797. Up to 450 conditions per place. [2021-03-26 03:52:51,843 INFO L142 LiptonReduction]: Number of co-enabled transitions 4172 [2021-03-26 03:52:51,897 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:51,897 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:51,897 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 802 [2021-03-26 03:52:51,897 INFO L480 AbstractCegarLoop]: Abstraction has has 635 places, 594 transitions, 30040 flow [2021-03-26 03:52:51,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:51,897 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:51,897 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:51,897 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-03-26 03:52:51,898 INFO L428 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:51,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:51,898 INFO L82 PathProgramCache]: Analyzing trace with hash 997720932, now seen corresponding path program 146 times [2021-03-26 03:52:51,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:51,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361559679] [2021-03-26 03:52:51,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:51,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:51,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:51,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:51,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:51,908 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:52:51,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:52:51,914 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:52:51,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:52:51,924 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:52:51,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:52:51,938 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:52:51,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:52:51,957 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:51,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:51,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:51,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361559679] [2021-03-26 03:52:51,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:51,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:51,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92644895] [2021-03-26 03:52:51,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:51,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:51,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:51,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:51,976 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:51,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 594 transitions, 30040 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:51,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:51,976 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:51,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:53,282 INFO L129 PetriNetUnfolder]: 265/3312 cut-off events. [2021-03-26 03:52:53,282 INFO L130 PetriNetUnfolder]: For 232411/232900 co-relation queries the response was YES. [2021-03-26 03:52:53,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34324 conditions, 3312 events. 265/3312 cut-off events. For 232411/232900 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 48762 event pairs, 16 based on Foata normal form. 26/3234 useless extension candidates. Maximal degree in co-relation 34144. Up to 611 conditions per place. [2021-03-26 03:52:53,340 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 357 selfloop transitions, 236 changer transitions 0/607 dead transitions. [2021-03-26 03:52:53,340 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 607 transitions, 31668 flow [2021-03-26 03:52:53,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:53,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:53,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:53,341 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:53,341 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:53,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:53,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:53,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:53,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:53,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:53,342 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:53,342 INFO L185 Difference]: Start difference. First operand has 635 places, 594 transitions, 30040 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:53,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 642 places, 607 transitions, 31668 flow [2021-03-26 03:52:54,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 639 places, 607 transitions, 31137 flow, removed 32 selfloop flow, removed 3 redundant places. [2021-03-26 03:52:54,825 INFO L241 Difference]: Finished difference. Result has 640 places, 594 transitions, 29984 flow [2021-03-26 03:52:54,826 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=29509, PETRI_DIFFERENCE_MINUEND_PLACES=632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=236, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=29984, PETRI_PLACES=640, PETRI_TRANSITIONS=594} [2021-03-26 03:52:54,826 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 602 predicate places. [2021-03-26 03:52:54,826 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:54,826 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 640 places, 594 transitions, 29984 flow [2021-03-26 03:52:54,826 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 640 places, 594 transitions, 29984 flow [2021-03-26 03:52:54,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 640 places, 594 transitions, 29984 flow [2021-03-26 03:52:55,520 INFO L129 PetriNetUnfolder]: 225/3221 cut-off events. [2021-03-26 03:52:55,520 INFO L130 PetriNetUnfolder]: For 227598/228101 co-relation queries the response was YES. [2021-03-26 03:52:55,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32295 conditions, 3221 events. 225/3221 cut-off events. For 227598/228101 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 48209 event pairs, 0 based on Foata normal form. 11/3159 useless extension candidates. Maximal degree in co-relation 32115. Up to 450 conditions per place. [2021-03-26 03:52:55,597 INFO L142 LiptonReduction]: Number of co-enabled transitions 4172 [2021-03-26 03:52:55,649 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:55,649 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:55,649 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 823 [2021-03-26 03:52:55,649 INFO L480 AbstractCegarLoop]: Abstraction has has 640 places, 594 transitions, 29984 flow [2021-03-26 03:52:55,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:55,649 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:55,649 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:55,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-03-26 03:52:55,649 INFO L428 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:55,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:55,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1881379822, now seen corresponding path program 147 times [2021-03-26 03:52:55,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:55,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553484002] [2021-03-26 03:52:55,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:55,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:55,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:55,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:55,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:55,664 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:52:55,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:52:55,684 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:52:55,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:52:55,695 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:52:55,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:52:55,710 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:52:55,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:52:55,729 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:55,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:55,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:55,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553484002] [2021-03-26 03:52:55,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:55,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:55,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126965632] [2021-03-26 03:52:55,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:55,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:55,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:55,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:55,748 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:55,748 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 640 places, 594 transitions, 29984 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:55,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:55,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:55,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:57,009 INFO L129 PetriNetUnfolder]: 265/3311 cut-off events. [2021-03-26 03:52:57,009 INFO L130 PetriNetUnfolder]: For 237528/238017 co-relation queries the response was YES. [2021-03-26 03:52:57,053 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34635 conditions, 3311 events. 265/3311 cut-off events. For 237528/238017 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 48821 event pairs, 16 based on Foata normal form. 26/3233 useless extension candidates. Maximal degree in co-relation 34454. Up to 611 conditions per place. [2021-03-26 03:52:57,060 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 346 selfloop transitions, 247 changer transitions 0/607 dead transitions. [2021-03-26 03:52:57,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 607 transitions, 31620 flow [2021-03-26 03:52:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:52:57,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:52:57,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:52:57,062 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:52:57,062 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:52:57,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:52:57,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:57,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:52:57,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:57,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:57,063 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:57,063 INFO L185 Difference]: Start difference. First operand has 640 places, 594 transitions, 29984 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:52:57,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 607 transitions, 31620 flow [2021-03-26 03:52:58,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 642 places, 607 transitions, 31169 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 03:52:58,598 INFO L241 Difference]: Finished difference. Result has 643 places, 594 transitions, 30030 flow [2021-03-26 03:52:58,598 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=29533, PETRI_DIFFERENCE_MINUEND_PLACES=635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=247, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30030, PETRI_PLACES=643, PETRI_TRANSITIONS=594} [2021-03-26 03:52:58,598 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 605 predicate places. [2021-03-26 03:52:58,598 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:58,599 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 643 places, 594 transitions, 30030 flow [2021-03-26 03:52:58,599 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 643 places, 594 transitions, 30030 flow [2021-03-26 03:52:58,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 643 places, 594 transitions, 30030 flow [2021-03-26 03:52:59,355 INFO L129 PetriNetUnfolder]: 225/3220 cut-off events. [2021-03-26 03:52:59,355 INFO L130 PetriNetUnfolder]: For 234059/234573 co-relation queries the response was YES. [2021-03-26 03:52:59,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32606 conditions, 3220 events. 225/3220 cut-off events. For 234059/234573 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 48123 event pairs, 0 based on Foata normal form. 10/3157 useless extension candidates. Maximal degree in co-relation 32425. Up to 450 conditions per place. [2021-03-26 03:52:59,426 INFO L142 LiptonReduction]: Number of co-enabled transitions 4172 [2021-03-26 03:52:59,476 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:59,476 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:59,476 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 878 [2021-03-26 03:52:59,477 INFO L480 AbstractCegarLoop]: Abstraction has has 643 places, 594 transitions, 30030 flow [2021-03-26 03:52:59,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:59,477 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:59,477 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:59,477 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-03-26 03:52:59,477 INFO L428 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:59,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:59,477 INFO L82 PathProgramCache]: Analyzing trace with hash -789112250, now seen corresponding path program 148 times [2021-03-26 03:52:59,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:59,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247307703] [2021-03-26 03:52:59,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:59,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:59,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:59,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:59,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:59,496 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:52:59,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:52:59,510 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:52:59,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:52:59,525 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:52:59,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:52:59,545 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:52:59,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:52:59,564 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:52:59,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:52:59,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:59,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247307703] [2021-03-26 03:52:59,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:59,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:52:59,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165533197] [2021-03-26 03:52:59,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:52:59,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:59,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:52:59,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:52:59,583 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:52:59,583 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 643 places, 594 transitions, 30030 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:59,583 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:59,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:52:59,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:00,866 INFO L129 PetriNetUnfolder]: 265/3298 cut-off events. [2021-03-26 03:53:00,866 INFO L130 PetriNetUnfolder]: For 244857/245370 co-relation queries the response was YES. [2021-03-26 03:53:00,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34932 conditions, 3298 events. 265/3298 cut-off events. For 244857/245370 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 48472 event pairs, 20 based on Foata normal form. 29/3224 useless extension candidates. Maximal degree in co-relation 34750. Up to 642 conditions per place. [2021-03-26 03:53:00,917 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 334 selfloop transitions, 280 changer transitions 2/630 dead transitions. [2021-03-26 03:53:00,918 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 650 places, 630 transitions, 32693 flow [2021-03-26 03:53:00,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:53:00,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:53:00,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:53:00,919 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:53:00,919 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:53:00,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:53:00,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:00,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:53:00,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:00,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:00,919 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:00,919 INFO L185 Difference]: Start difference. First operand has 643 places, 594 transitions, 30030 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:53:00,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 650 places, 630 transitions, 32693 flow [2021-03-26 03:53:02,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 646 places, 630 transitions, 32269 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 03:53:02,503 INFO L241 Difference]: Finished difference. Result has 651 places, 601 transitions, 30657 flow [2021-03-26 03:53:02,504 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=29623, PETRI_DIFFERENCE_MINUEND_PLACES=639, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=273, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30657, PETRI_PLACES=651, PETRI_TRANSITIONS=601} [2021-03-26 03:53:02,504 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 613 predicate places. [2021-03-26 03:53:02,504 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:02,504 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 651 places, 601 transitions, 30657 flow [2021-03-26 03:53:02,504 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 651 places, 601 transitions, 30657 flow [2021-03-26 03:53:02,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 650 places, 601 transitions, 30657 flow [2021-03-26 03:53:03,194 INFO L129 PetriNetUnfolder]: 224/3210 cut-off events. [2021-03-26 03:53:03,194 INFO L130 PetriNetUnfolder]: For 245267/245800 co-relation queries the response was YES. [2021-03-26 03:53:03,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33050 conditions, 3210 events. 224/3210 cut-off events. For 245267/245800 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47954 event pairs, 0 based on Foata normal form. 8/3145 useless extension candidates. Maximal degree in co-relation 32864. Up to 448 conditions per place. [2021-03-26 03:53:03,280 INFO L142 LiptonReduction]: Number of co-enabled transitions 4220 [2021-03-26 03:53:03,336 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:03,336 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:03,336 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 832 [2021-03-26 03:53:03,336 INFO L480 AbstractCegarLoop]: Abstraction has has 650 places, 601 transitions, 30657 flow [2021-03-26 03:53:03,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:03,336 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:03,336 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:03,337 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-03-26 03:53:03,337 INFO L428 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:03,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:03,337 INFO L82 PathProgramCache]: Analyzing trace with hash 550977936, now seen corresponding path program 149 times [2021-03-26 03:53:03,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:03,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854316246] [2021-03-26 03:53:03,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:03,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:03,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:03,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:03,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:03,347 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:53:03,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:53:03,354 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:03,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:03,364 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:53:03,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:53:03,389 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:53:03,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:53:03,408 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:53:03,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:53:03,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:03,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854316246] [2021-03-26 03:53:03,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:03,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:53:03,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562273130] [2021-03-26 03:53:03,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:53:03,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:03,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:53:03,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:53:03,427 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:53:03,427 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 650 places, 601 transitions, 30657 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:03,427 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:03,427 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:53:03,427 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:04,644 INFO L129 PetriNetUnfolder]: 264/3288 cut-off events. [2021-03-26 03:53:04,644 INFO L130 PetriNetUnfolder]: For 256916/257429 co-relation queries the response was YES. [2021-03-26 03:53:04,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35386 conditions, 3288 events. 264/3288 cut-off events. For 256916/257429 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 48293 event pairs, 28 based on Foata normal form. 35/3219 useless extension candidates. Maximal degree in co-relation 35199. Up to 611 conditions per place. [2021-03-26 03:53:04,695 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 345 selfloop transitions, 255 changer transitions 0/614 dead transitions. [2021-03-26 03:53:04,695 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 614 transitions, 32325 flow [2021-03-26 03:53:04,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:53:04,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:53:04,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:53:04,696 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:53:04,696 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:53:04,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:53:04,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:04,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:53:04,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:04,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:04,697 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:04,697 INFO L185 Difference]: Start difference. First operand has 650 places, 601 transitions, 30657 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:53:04,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 614 transitions, 32325 flow [2021-03-26 03:53:06,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 652 places, 614 transitions, 31833 flow, removed 25 selfloop flow, removed 5 redundant places. [2021-03-26 03:53:06,641 INFO L241 Difference]: Finished difference. Result has 654 places, 602 transitions, 30822 flow [2021-03-26 03:53:06,642 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30175, PETRI_DIFFERENCE_MINUEND_PLACES=645, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=601, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=254, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30822, PETRI_PLACES=654, PETRI_TRANSITIONS=602} [2021-03-26 03:53:06,642 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 616 predicate places. [2021-03-26 03:53:06,642 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:06,642 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 654 places, 602 transitions, 30822 flow [2021-03-26 03:53:06,642 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 654 places, 602 transitions, 30822 flow [2021-03-26 03:53:06,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 654 places, 602 transitions, 30822 flow [2021-03-26 03:53:07,431 INFO L129 PetriNetUnfolder]: 224/3209 cut-off events. [2021-03-26 03:53:07,431 INFO L130 PetriNetUnfolder]: For 244915/245524 co-relation queries the response was YES. [2021-03-26 03:53:07,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33101 conditions, 3209 events. 224/3209 cut-off events. For 244915/245524 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47897 event pairs, 0 based on Foata normal form. 7/3142 useless extension candidates. Maximal degree in co-relation 32915. Up to 448 conditions per place. [2021-03-26 03:53:07,512 INFO L142 LiptonReduction]: Number of co-enabled transitions 4222 [2021-03-26 03:53:07,567 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:07,568 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:07,568 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 926 [2021-03-26 03:53:07,568 INFO L480 AbstractCegarLoop]: Abstraction has has 654 places, 602 transitions, 30822 flow [2021-03-26 03:53:07,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:07,568 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:07,568 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:07,568 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-03-26 03:53:07,568 INFO L428 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:07,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:07,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1610121208, now seen corresponding path program 150 times [2021-03-26 03:53:07,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:07,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274269436] [2021-03-26 03:53:07,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:07,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:07,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:07,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:07,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:07,585 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:53:07,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:53:07,592 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:07,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:07,602 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:53:07,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:53:07,616 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:53:07,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:53:07,635 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:53:07,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:53:07,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:07,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274269436] [2021-03-26 03:53:07,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:07,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:53:07,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731383018] [2021-03-26 03:53:07,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:53:07,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:07,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:53:07,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:53:07,654 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:53:07,654 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 654 places, 602 transitions, 30822 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:07,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:07,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:53:07,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:08,936 INFO L129 PetriNetUnfolder]: 264/3299 cut-off events. [2021-03-26 03:53:08,937 INFO L130 PetriNetUnfolder]: For 255531/256044 co-relation queries the response was YES. [2021-03-26 03:53:08,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35445 conditions, 3299 events. 264/3299 cut-off events. For 255531/256044 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48517 event pairs, 16 based on Foata normal form. 35/3231 useless extension candidates. Maximal degree in co-relation 35258. Up to 611 conditions per place. [2021-03-26 03:53:08,986 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 345 selfloop transitions, 255 changer transitions 0/614 dead transitions. [2021-03-26 03:53:08,987 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 661 places, 614 transitions, 32430 flow [2021-03-26 03:53:08,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:53:08,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:53:08,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:53:08,987 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:53:08,987 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:53:08,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:53:08,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:08,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:53:08,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:08,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:08,988 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:08,988 INFO L185 Difference]: Start difference. First operand has 654 places, 602 transitions, 30822 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:53:08,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 661 places, 614 transitions, 32430 flow [2021-03-26 03:53:10,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 657 places, 614 transitions, 31984 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-03-26 03:53:10,596 INFO L241 Difference]: Finished difference. Result has 658 places, 602 transitions, 30889 flow [2021-03-26 03:53:10,596 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30376, PETRI_DIFFERENCE_MINUEND_PLACES=650, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=255, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30889, PETRI_PLACES=658, PETRI_TRANSITIONS=602} [2021-03-26 03:53:10,596 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 620 predicate places. [2021-03-26 03:53:10,597 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:10,597 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 602 transitions, 30889 flow [2021-03-26 03:53:10,597 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 602 transitions, 30889 flow [2021-03-26 03:53:10,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 658 places, 602 transitions, 30889 flow [2021-03-26 03:53:11,280 INFO L129 PetriNetUnfolder]: 224/3208 cut-off events. [2021-03-26 03:53:11,280 INFO L130 PetriNetUnfolder]: For 250621/251213 co-relation queries the response was YES. [2021-03-26 03:53:11,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33423 conditions, 3208 events. 224/3208 cut-off events. For 250621/251213 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47912 event pairs, 0 based on Foata normal form. 9/3143 useless extension candidates. Maximal degree in co-relation 33236. Up to 448 conditions per place. [2021-03-26 03:53:11,357 INFO L142 LiptonReduction]: Number of co-enabled transitions 4222 [2021-03-26 03:53:11,411 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:11,411 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:11,411 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 814 [2021-03-26 03:53:11,411 INFO L480 AbstractCegarLoop]: Abstraction has has 658 places, 602 transitions, 30889 flow [2021-03-26 03:53:11,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:11,411 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:11,411 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:11,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-03-26 03:53:11,411 INFO L428 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:11,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:11,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1987246676, now seen corresponding path program 151 times [2021-03-26 03:53:11,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:11,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697065072] [2021-03-26 03:53:11,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:11,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:11,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:11,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:11,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:11,422 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:53:11,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:53:11,428 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:11,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:11,438 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:53:11,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:53:11,452 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:53:11,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:53:11,470 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:53:11,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:53:11,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:11,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697065072] [2021-03-26 03:53:11,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:11,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:53:11,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608966388] [2021-03-26 03:53:11,488 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:53:11,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:11,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:53:11,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:53:11,489 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:53:11,489 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 658 places, 602 transitions, 30889 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:11,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:11,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:53:11,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:12,818 INFO L129 PetriNetUnfolder]: 264/3298 cut-off events. [2021-03-26 03:53:12,818 INFO L130 PetriNetUnfolder]: For 261565/262076 co-relation queries the response was YES. [2021-03-26 03:53:12,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35765 conditions, 3298 events. 264/3298 cut-off events. For 261565/262076 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48496 event pairs, 16 based on Foata normal form. 35/3230 useless extension candidates. Maximal degree in co-relation 35577. Up to 611 conditions per place. [2021-03-26 03:53:12,867 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 349 selfloop transitions, 251 changer transitions 0/614 dead transitions. [2021-03-26 03:53:12,868 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 614 transitions, 32505 flow [2021-03-26 03:53:12,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:53:12,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:53:12,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:53:12,868 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:53:12,868 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:53:12,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:53:12,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:12,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:53:12,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:12,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:12,869 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:12,869 INFO L185 Difference]: Start difference. First operand has 658 places, 602 transitions, 30889 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:53:12,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 614 transitions, 32505 flow [2021-03-26 03:53:14,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 614 transitions, 32180 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 03:53:14,422 INFO L241 Difference]: Finished difference. Result has 663 places, 602 transitions, 31069 flow [2021-03-26 03:53:14,422 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30564, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=251, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31069, PETRI_PLACES=663, PETRI_TRANSITIONS=602} [2021-03-26 03:53:14,422 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 625 predicate places. [2021-03-26 03:53:14,422 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:14,422 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 663 places, 602 transitions, 31069 flow [2021-03-26 03:53:14,422 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 663 places, 602 transitions, 31069 flow [2021-03-26 03:53:14,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 663 places, 602 transitions, 31069 flow [2021-03-26 03:53:15,103 INFO L129 PetriNetUnfolder]: 224/3207 cut-off events. [2021-03-26 03:53:15,103 INFO L130 PetriNetUnfolder]: For 258714/259275 co-relation queries the response was YES. [2021-03-26 03:53:15,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33888 conditions, 3207 events. 224/3207 cut-off events. For 258714/259275 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47847 event pairs, 0 based on Foata normal form. 8/3142 useless extension candidates. Maximal degree in co-relation 33700. Up to 448 conditions per place. [2021-03-26 03:53:15,180 INFO L142 LiptonReduction]: Number of co-enabled transitions 4222 [2021-03-26 03:53:15,234 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:15,234 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:15,234 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 812 [2021-03-26 03:53:15,234 INFO L480 AbstractCegarLoop]: Abstraction has has 663 places, 602 transitions, 31069 flow [2021-03-26 03:53:15,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:15,234 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:15,234 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:15,234 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-03-26 03:53:15,234 INFO L428 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:15,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:15,235 INFO L82 PathProgramCache]: Analyzing trace with hash -152298350, now seen corresponding path program 152 times [2021-03-26 03:53:15,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:15,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016289573] [2021-03-26 03:53:15,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:15,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:15,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:15,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:15,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:15,245 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:53:15,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:53:15,251 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:15,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:15,261 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:53:15,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:53:15,287 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:53:15,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:53:15,306 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:53:15,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:53:15,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:15,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016289573] [2021-03-26 03:53:15,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:15,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:53:15,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224729710] [2021-03-26 03:53:15,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:53:15,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:15,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:53:15,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:53:15,324 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:53:15,324 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 663 places, 602 transitions, 31069 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:15,325 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:15,325 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:53:15,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:16,707 INFO L129 PetriNetUnfolder]: 264/3297 cut-off events. [2021-03-26 03:53:16,708 INFO L130 PetriNetUnfolder]: For 269954/270441 co-relation queries the response was YES. [2021-03-26 03:53:16,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36228 conditions, 3297 events. 264/3297 cut-off events. For 269954/270441 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48500 event pairs, 16 based on Foata normal form. 26/3220 useless extension candidates. Maximal degree in co-relation 36039. Up to 611 conditions per place. [2021-03-26 03:53:16,756 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 349 selfloop transitions, 251 changer transitions 0/614 dead transitions. [2021-03-26 03:53:16,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 670 places, 614 transitions, 32693 flow [2021-03-26 03:53:16,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:53:16,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:53:16,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:53:16,757 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:53:16,757 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:53:16,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:53:16,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:16,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:53:16,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:16,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:16,758 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:16,758 INFO L185 Difference]: Start difference. First operand has 663 places, 602 transitions, 31069 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:53:16,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 670 places, 614 transitions, 32693 flow [2021-03-26 03:53:18,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 665 places, 614 transitions, 32209 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 03:53:18,403 INFO L241 Difference]: Finished difference. Result has 666 places, 602 transitions, 31090 flow [2021-03-26 03:53:18,403 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30585, PETRI_DIFFERENCE_MINUEND_PLACES=658, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=251, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31090, PETRI_PLACES=666, PETRI_TRANSITIONS=602} [2021-03-26 03:53:18,403 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 628 predicate places. [2021-03-26 03:53:18,404 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:18,404 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 666 places, 602 transitions, 31090 flow [2021-03-26 03:53:18,404 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 666 places, 602 transitions, 31090 flow [2021-03-26 03:53:18,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 666 places, 602 transitions, 31090 flow [2021-03-26 03:53:19,123 INFO L129 PetriNetUnfolder]: 224/3206 cut-off events. [2021-03-26 03:53:19,123 INFO L130 PetriNetUnfolder]: For 266039/266645 co-relation queries the response was YES. [2021-03-26 03:53:19,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34193 conditions, 3206 events. 224/3206 cut-off events. For 266039/266645 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47874 event pairs, 0 based on Foata normal form. 8/3139 useless extension candidates. Maximal degree in co-relation 34004. Up to 448 conditions per place. [2021-03-26 03:53:19,202 INFO L142 LiptonReduction]: Number of co-enabled transitions 4222 [2021-03-26 03:53:19,258 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:19,258 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:19,258 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 854 [2021-03-26 03:53:19,258 INFO L480 AbstractCegarLoop]: Abstraction has has 666 places, 602 transitions, 31090 flow [2021-03-26 03:53:19,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:19,259 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:19,259 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:19,259 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-03-26 03:53:19,259 INFO L428 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:19,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:19,259 INFO L82 PathProgramCache]: Analyzing trace with hash -822436972, now seen corresponding path program 153 times [2021-03-26 03:53:19,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:19,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737489777] [2021-03-26 03:53:19,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:19,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:19,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:19,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:19,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:19,271 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:53:19,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:53:19,278 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:19,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:19,288 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:53:19,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:53:19,301 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:53:19,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:53:19,320 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:53:19,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:53:19,342 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 03:53:19,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737489777] [2021-03-26 03:53:19,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:19,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:53:19,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55612179] [2021-03-26 03:53:19,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:53:19,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:19,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:53:19,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:53:19,343 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:53:19,343 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 666 places, 602 transitions, 31090 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:19,343 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:19,343 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:53:19,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:20,783 INFO L129 PetriNetUnfolder]: 264/3296 cut-off events. [2021-03-26 03:53:20,783 INFO L130 PetriNetUnfolder]: For 277429/277916 co-relation queries the response was YES. [2021-03-26 03:53:20,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36531 conditions, 3296 events. 264/3296 cut-off events. For 277429/277916 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48494 event pairs, 16 based on Foata normal form. 26/3219 useless extension candidates. Maximal degree in co-relation 36341. Up to 611 conditions per place. [2021-03-26 03:53:20,829 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 365 selfloop transitions, 235 changer transitions 0/614 dead transitions. [2021-03-26 03:53:20,830 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 673 places, 614 transitions, 32722 flow [2021-03-26 03:53:20,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:53:20,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:53:20,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:53:20,830 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:53:20,830 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:53:20,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:53:20,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:20,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:53:20,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:20,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:20,831 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:20,831 INFO L185 Difference]: Start difference. First operand has 666 places, 602 transitions, 31090 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:53:20,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 673 places, 614 transitions, 32722 flow [2021-03-26 03:53:22,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 668 places, 614 transitions, 32238 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 03:53:22,511 INFO L241 Difference]: Finished difference. Result has 670 places, 604 transitions, 31245 flow [2021-03-26 03:53:22,512 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30606, PETRI_DIFFERENCE_MINUEND_PLACES=661, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=233, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31245, PETRI_PLACES=670, PETRI_TRANSITIONS=604} [2021-03-26 03:53:22,512 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 632 predicate places. [2021-03-26 03:53:22,512 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:22,512 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 670 places, 604 transitions, 31245 flow [2021-03-26 03:53:22,512 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 670 places, 604 transitions, 31245 flow [2021-03-26 03:53:22,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 670 places, 604 transitions, 31245 flow [2021-03-26 03:53:23,215 INFO L129 PetriNetUnfolder]: 224/3205 cut-off events. [2021-03-26 03:53:23,215 INFO L130 PetriNetUnfolder]: For 275978/276636 co-relation queries the response was YES. [2021-03-26 03:53:23,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34601 conditions, 3205 events. 224/3205 cut-off events. For 275978/276636 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47907 event pairs, 0 based on Foata normal form. 7/3137 useless extension candidates. Maximal degree in co-relation 34410. Up to 448 conditions per place. [2021-03-26 03:53:23,293 INFO L142 LiptonReduction]: Number of co-enabled transitions 4226 [2021-03-26 03:53:23,348 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:23,349 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:23,349 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 837 [2021-03-26 03:53:23,349 INFO L480 AbstractCegarLoop]: Abstraction has has 670 places, 604 transitions, 31245 flow [2021-03-26 03:53:23,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:23,349 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:23,349 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:23,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-03-26 03:53:23,349 INFO L428 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:23,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:23,349 INFO L82 PathProgramCache]: Analyzing trace with hash 843741566, now seen corresponding path program 154 times [2021-03-26 03:53:23,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:23,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617645277] [2021-03-26 03:53:23,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:23,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:23,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:23,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:23,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:23,360 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:23,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:23,372 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:53:23,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:53:23,383 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:53:23,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:53:23,398 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:53:23,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:53:23,417 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:53:23,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:53:23,435 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 03:53:23,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617645277] [2021-03-26 03:53:23,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:23,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:53:23,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454484832] [2021-03-26 03:53:23,435 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:53:23,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:23,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:53:23,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:53:23,436 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:53:23,436 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 670 places, 604 transitions, 31245 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:23,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:23,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:53:23,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:24,877 INFO L129 PetriNetUnfolder]: 264/3295 cut-off events. [2021-03-26 03:53:24,877 INFO L130 PetriNetUnfolder]: For 288453/289069 co-relation queries the response was YES. [2021-03-26 03:53:24,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36937 conditions, 3295 events. 264/3295 cut-off events. For 288453/289069 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48428 event pairs, 17 based on Foata normal form. 38/3233 useless extension candidates. Maximal degree in co-relation 36745. Up to 642 conditions per place. [2021-03-26 03:53:24,924 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 351 selfloop transitions, 254 changer transitions 0/619 dead transitions. [2021-03-26 03:53:24,924 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 677 places, 619 transitions, 33001 flow [2021-03-26 03:53:24,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:53:24,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:53:24,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:53:24,925 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:53:24,925 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:53:24,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:53:24,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:24,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:53:24,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:24,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:24,926 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:24,926 INFO L185 Difference]: Start difference. First operand has 670 places, 604 transitions, 31245 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:53:24,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 677 places, 619 transitions, 33001 flow [2021-03-26 03:53:26,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 619 transitions, 32619 flow, removed 29 selfloop flow, removed 3 redundant places. [2021-03-26 03:53:26,864 INFO L241 Difference]: Finished difference. Result has 675 places, 604 transitions, 31394 flow [2021-03-26 03:53:26,864 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30883, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=254, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31394, PETRI_PLACES=675, PETRI_TRANSITIONS=604} [2021-03-26 03:53:26,864 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 637 predicate places. [2021-03-26 03:53:26,864 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:26,864 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 604 transitions, 31394 flow [2021-03-26 03:53:26,864 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 604 transitions, 31394 flow [2021-03-26 03:53:26,873 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 675 places, 604 transitions, 31394 flow [2021-03-26 03:53:27,580 INFO L129 PetriNetUnfolder]: 224/3204 cut-off events. [2021-03-26 03:53:27,580 INFO L130 PetriNetUnfolder]: For 281093/281667 co-relation queries the response was YES. [2021-03-26 03:53:27,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34861 conditions, 3204 events. 224/3204 cut-off events. For 281093/281667 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47793 event pairs, 0 based on Foata normal form. 10/3142 useless extension candidates. Maximal degree in co-relation 34669. Up to 448 conditions per place. [2021-03-26 03:53:27,660 INFO L142 LiptonReduction]: Number of co-enabled transitions 4226 [2021-03-26 03:53:27,716 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:27,716 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:27,716 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 852 [2021-03-26 03:53:27,716 INFO L480 AbstractCegarLoop]: Abstraction has has 675 places, 604 transitions, 31394 flow [2021-03-26 03:53:27,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:27,716 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:27,716 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:27,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-03-26 03:53:27,717 INFO L428 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:27,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:27,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1887388230, now seen corresponding path program 155 times [2021-03-26 03:53:27,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:27,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796889054] [2021-03-26 03:53:27,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:27,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:27,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:27,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:27,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:27,729 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:53:27,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:53:27,737 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:27,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:27,747 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:53:27,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:53:27,761 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:53:27,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:53:27,780 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:53:27,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:53:27,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:27,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796889054] [2021-03-26 03:53:27,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:27,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:53:27,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525884207] [2021-03-26 03:53:27,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:53:27,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:27,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:53:27,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:53:27,801 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:53:27,801 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 675 places, 604 transitions, 31394 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:27,801 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:27,801 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:53:27,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:29,272 INFO L129 PetriNetUnfolder]: 264/3294 cut-off events. [2021-03-26 03:53:29,272 INFO L130 PetriNetUnfolder]: For 293610/294231 co-relation queries the response was YES. [2021-03-26 03:53:29,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37201 conditions, 3294 events. 264/3294 cut-off events. For 293610/294231 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48419 event pairs, 16 based on Foata normal form. 38/3230 useless extension candidates. Maximal degree in co-relation 37008. Up to 611 conditions per place. [2021-03-26 03:53:29,319 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 362 selfloop transitions, 238 changer transitions 0/614 dead transitions. [2021-03-26 03:53:29,319 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 614 transitions, 32946 flow [2021-03-26 03:53:29,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:53:29,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:53:29,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:53:29,320 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:53:29,320 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:53:29,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:53:29,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:29,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:53:29,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:29,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:29,320 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:29,320 INFO L185 Difference]: Start difference. First operand has 675 places, 604 transitions, 31394 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:53:29,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 682 places, 614 transitions, 32946 flow [2021-03-26 03:53:31,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 678 places, 614 transitions, 32457 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 03:53:31,275 INFO L241 Difference]: Finished difference. Result has 679 places, 604 transitions, 31384 flow [2021-03-26 03:53:31,275 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30905, PETRI_DIFFERENCE_MINUEND_PLACES=671, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=238, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31384, PETRI_PLACES=679, PETRI_TRANSITIONS=604} [2021-03-26 03:53:31,275 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 641 predicate places. [2021-03-26 03:53:31,275 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:31,276 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 679 places, 604 transitions, 31384 flow [2021-03-26 03:53:31,276 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 679 places, 604 transitions, 31384 flow [2021-03-26 03:53:31,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 679 places, 604 transitions, 31384 flow [2021-03-26 03:53:32,022 INFO L129 PetriNetUnfolder]: 224/3203 cut-off events. [2021-03-26 03:53:32,022 INFO L130 PetriNetUnfolder]: For 288713/289301 co-relation queries the response was YES. [2021-03-26 03:53:32,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35196 conditions, 3203 events. 224/3203 cut-off events. For 288713/289301 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47833 event pairs, 0 based on Foata normal form. 8/3138 useless extension candidates. Maximal degree in co-relation 35003. Up to 448 conditions per place. [2021-03-26 03:53:32,104 INFO L142 LiptonReduction]: Number of co-enabled transitions 4226 [2021-03-26 03:53:32,160 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:32,160 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:32,160 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 885 [2021-03-26 03:53:32,160 INFO L480 AbstractCegarLoop]: Abstraction has has 679 places, 604 transitions, 31384 flow [2021-03-26 03:53:32,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:32,161 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:32,161 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:32,161 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-03-26 03:53:32,161 INFO L428 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:32,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:32,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1533206484, now seen corresponding path program 156 times [2021-03-26 03:53:32,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:32,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897733932] [2021-03-26 03:53:32,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:32,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:32,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:32,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:32,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:32,173 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:53:32,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:53:32,180 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:32,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:32,190 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:53:32,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:53:32,204 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:53:32,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:53:32,223 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:53:32,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:53:32,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:32,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897733932] [2021-03-26 03:53:32,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:32,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:53:32,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870329994] [2021-03-26 03:53:32,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:53:32,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:32,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:53:32,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:53:32,245 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:53:32,245 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 679 places, 604 transitions, 31384 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:32,245 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:32,245 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:53:32,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:33,715 INFO L129 PetriNetUnfolder]: 264/3293 cut-off events. [2021-03-26 03:53:33,715 INFO L130 PetriNetUnfolder]: For 301179/301772 co-relation queries the response was YES. [2021-03-26 03:53:33,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37528 conditions, 3293 events. 264/3293 cut-off events. For 301179/301772 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48394 event pairs, 16 based on Foata normal form. 29/3227 useless extension candidates. Maximal degree in co-relation 37334. Up to 611 conditions per place. [2021-03-26 03:53:33,761 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 362 selfloop transitions, 238 changer transitions 0/614 dead transitions. [2021-03-26 03:53:33,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 686 places, 614 transitions, 32944 flow [2021-03-26 03:53:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:53:33,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:53:33,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:53:33,763 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:53:33,763 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:53:33,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:53:33,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:33,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:53:33,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:33,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:33,763 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:33,763 INFO L185 Difference]: Start difference. First operand has 679 places, 604 transitions, 31384 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:53:33,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 686 places, 614 transitions, 32944 flow [2021-03-26 03:53:35,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 682 places, 614 transitions, 32553 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 03:53:35,839 INFO L241 Difference]: Finished difference. Result has 683 places, 604 transitions, 31472 flow [2021-03-26 03:53:35,839 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30993, PETRI_DIFFERENCE_MINUEND_PLACES=675, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=238, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31472, PETRI_PLACES=683, PETRI_TRANSITIONS=604} [2021-03-26 03:53:35,839 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 645 predicate places. [2021-03-26 03:53:35,839 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:35,840 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 683 places, 604 transitions, 31472 flow [2021-03-26 03:53:35,840 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 683 places, 604 transitions, 31472 flow [2021-03-26 03:53:35,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 683 places, 604 transitions, 31472 flow [2021-03-26 03:53:36,679 INFO L129 PetriNetUnfolder]: 224/3202 cut-off events. [2021-03-26 03:53:36,679 INFO L130 PetriNetUnfolder]: For 297270/297949 co-relation queries the response was YES. [2021-03-26 03:53:36,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35577 conditions, 3202 events. 224/3202 cut-off events. For 297270/297949 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47757 event pairs, 0 based on Foata normal form. 10/3139 useless extension candidates. Maximal degree in co-relation 35383. Up to 448 conditions per place. [2021-03-26 03:53:36,759 INFO L142 LiptonReduction]: Number of co-enabled transitions 4226 [2021-03-26 03:53:36,818 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:36,818 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:36,818 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 979 [2021-03-26 03:53:36,818 INFO L480 AbstractCegarLoop]: Abstraction has has 683 places, 604 transitions, 31472 flow [2021-03-26 03:53:36,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:36,818 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:36,818 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:36,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-03-26 03:53:36,818 INFO L428 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:36,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:36,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1640453678, now seen corresponding path program 157 times [2021-03-26 03:53:36,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:36,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825690879] [2021-03-26 03:53:36,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:36,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:36,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:36,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:36,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:36,829 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:36,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:36,842 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:53:36,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:53:36,853 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:53:36,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:53:36,869 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:53:36,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:53:36,887 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:53:36,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:53:36,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:36,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825690879] [2021-03-26 03:53:36,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:36,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:53:36,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753030204] [2021-03-26 03:53:36,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:53:36,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:36,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:53:36,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:53:36,906 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:53:36,906 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 683 places, 604 transitions, 31472 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:36,906 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:36,906 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:53:36,906 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:38,346 INFO L129 PetriNetUnfolder]: 264/3292 cut-off events. [2021-03-26 03:53:38,347 INFO L130 PetriNetUnfolder]: For 310018/310613 co-relation queries the response was YES. [2021-03-26 03:53:38,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37907 conditions, 3292 events. 264/3292 cut-off events. For 310018/310613 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48431 event pairs, 16 based on Foata normal form. 33/3225 useless extension candidates. Maximal degree in co-relation 37712. Up to 642 conditions per place. [2021-03-26 03:53:38,396 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 343 selfloop transitions, 262 changer transitions 0/619 dead transitions. [2021-03-26 03:53:38,397 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 690 places, 619 transitions, 33241 flow [2021-03-26 03:53:38,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:53:38,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:53:38,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:53:38,398 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:53:38,398 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:53:38,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:53:38,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:38,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:53:38,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:38,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:38,399 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:38,399 INFO L185 Difference]: Start difference. First operand has 683 places, 604 transitions, 31472 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:53:38,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 690 places, 619 transitions, 33241 flow [2021-03-26 03:53:40,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 687 places, 619 transitions, 32916 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 03:53:40,202 INFO L241 Difference]: Finished difference. Result has 689 places, 605 transitions, 31752 flow [2021-03-26 03:53:40,202 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31147, PETRI_DIFFERENCE_MINUEND_PLACES=680, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=261, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31752, PETRI_PLACES=689, PETRI_TRANSITIONS=605} [2021-03-26 03:53:40,202 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 651 predicate places. [2021-03-26 03:53:40,203 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:40,203 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 689 places, 605 transitions, 31752 flow [2021-03-26 03:53:40,203 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 689 places, 605 transitions, 31752 flow [2021-03-26 03:53:40,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 689 places, 605 transitions, 31752 flow [2021-03-26 03:53:40,913 INFO L129 PetriNetUnfolder]: 224/3201 cut-off events. [2021-03-26 03:53:40,913 INFO L130 PetriNetUnfolder]: For 307424/307967 co-relation queries the response was YES. [2021-03-26 03:53:40,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36030 conditions, 3201 events. 224/3201 cut-off events. For 307424/307967 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47772 event pairs, 0 based on Foata normal form. 8/3134 useless extension candidates. Maximal degree in co-relation 35834. Up to 448 conditions per place. [2021-03-26 03:53:40,992 INFO L142 LiptonReduction]: Number of co-enabled transitions 4240 [2021-03-26 03:53:41,047 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:41,048 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:41,048 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 845 [2021-03-26 03:53:41,048 INFO L480 AbstractCegarLoop]: Abstraction has has 689 places, 605 transitions, 31752 flow [2021-03-26 03:53:41,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:41,048 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:41,048 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:41,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-03-26 03:53:41,048 INFO L428 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:41,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:41,048 INFO L82 PathProgramCache]: Analyzing trace with hash 731374018, now seen corresponding path program 158 times [2021-03-26 03:53:41,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:41,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576515279] [2021-03-26 03:53:41,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:41,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:41,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:41,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:41,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:41,061 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:41,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:41,074 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:53:41,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:53:41,085 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:53:41,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:53:41,099 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:53:41,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:53:41,117 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:53:41,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:53:41,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:41,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576515279] [2021-03-26 03:53:41,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:41,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:53:41,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895993138] [2021-03-26 03:53:41,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:53:41,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:41,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:53:41,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:53:41,136 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:53:41,136 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 689 places, 605 transitions, 31752 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:41,137 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:41,137 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:53:41,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:42,577 INFO L129 PetriNetUnfolder]: 264/3279 cut-off events. [2021-03-26 03:53:42,577 INFO L130 PetriNetUnfolder]: For 321233/321852 co-relation queries the response was YES. [2021-03-26 03:53:42,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38352 conditions, 3279 events. 264/3279 cut-off events. For 321233/321852 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 48171 event pairs, 21 based on Foata normal form. 38/3216 useless extension candidates. Maximal degree in co-relation 38155. Up to 642 conditions per place. [2021-03-26 03:53:42,624 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 347 selfloop transitions, 258 changer transitions 0/619 dead transitions. [2021-03-26 03:53:42,624 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 696 places, 619 transitions, 33474 flow [2021-03-26 03:53:42,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:53:42,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:53:42,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:53:42,625 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:53:42,625 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:53:42,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:53:42,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:42,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:53:42,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:42,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:42,626 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:42,626 INFO L185 Difference]: Start difference. First operand has 689 places, 605 transitions, 31752 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:53:42,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 696 places, 619 transitions, 33474 flow [2021-03-26 03:53:44,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 692 places, 619 transitions, 32960 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-03-26 03:53:44,463 INFO L241 Difference]: Finished difference. Result has 694 places, 607 transitions, 31872 flow [2021-03-26 03:53:44,464 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31238, PETRI_DIFFERENCE_MINUEND_PLACES=685, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=605, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=256, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31872, PETRI_PLACES=694, PETRI_TRANSITIONS=607} [2021-03-26 03:53:44,464 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 656 predicate places. [2021-03-26 03:53:44,464 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:44,464 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 694 places, 607 transitions, 31872 flow [2021-03-26 03:53:44,464 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 694 places, 607 transitions, 31872 flow [2021-03-26 03:53:44,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 694 places, 607 transitions, 31872 flow [2021-03-26 03:53:45,172 INFO L129 PetriNetUnfolder]: 224/3200 cut-off events. [2021-03-26 03:53:45,172 INFO L130 PetriNetUnfolder]: For 316602/317167 co-relation queries the response was YES. [2021-03-26 03:53:45,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36357 conditions, 3200 events. 224/3200 cut-off events. For 316602/317167 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47732 event pairs, 0 based on Foata normal form. 10/3136 useless extension candidates. Maximal degree in co-relation 36159. Up to 448 conditions per place. [2021-03-26 03:53:45,251 INFO L142 LiptonReduction]: Number of co-enabled transitions 4268 [2021-03-26 03:53:45,308 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:45,308 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:45,308 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 844 [2021-03-26 03:53:45,308 INFO L480 AbstractCegarLoop]: Abstraction has has 694 places, 607 transitions, 31872 flow [2021-03-26 03:53:45,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:45,308 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:45,308 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:45,308 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-03-26 03:53:45,308 INFO L428 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:45,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:45,309 INFO L82 PathProgramCache]: Analyzing trace with hash -2138594276, now seen corresponding path program 159 times [2021-03-26 03:53:45,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:45,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69311151] [2021-03-26 03:53:45,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:45,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:45,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:45,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:45,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:45,323 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:53:45,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:53:45,331 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:45,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:45,343 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:53:45,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:53:45,359 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:53:45,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:53:45,381 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:53:45,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:53:45,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:45,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69311151] [2021-03-26 03:53:45,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:45,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:53:45,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409826731] [2021-03-26 03:53:45,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:53:45,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:45,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:53:45,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:53:45,404 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:53:45,405 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 694 places, 607 transitions, 31872 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:45,405 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:45,405 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:53:45,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:46,858 INFO L129 PetriNetUnfolder]: 264/3290 cut-off events. [2021-03-26 03:53:46,858 INFO L130 PetriNetUnfolder]: For 331314/332033 co-relation queries the response was YES. [2021-03-26 03:53:46,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38689 conditions, 3290 events. 264/3290 cut-off events. For 331314/332033 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48320 event pairs, 16 based on Foata normal form. 40/3236 useless extension candidates. Maximal degree in co-relation 38490. Up to 611 conditions per place. [2021-03-26 03:53:46,906 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 364 selfloop transitions, 239 changer transitions 0/617 dead transitions. [2021-03-26 03:53:46,906 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 701 places, 617 transitions, 33462 flow [2021-03-26 03:53:46,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:53:46,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:53:46,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:53:46,907 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:53:46,907 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:53:46,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:53:46,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:46,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:53:46,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:46,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:46,908 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:46,908 INFO L185 Difference]: Start difference. First operand has 694 places, 607 transitions, 31872 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:53:46,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 701 places, 617 transitions, 33462 flow [2021-03-26 03:53:48,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 698 places, 617 transitions, 32970 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-03-26 03:53:48,858 INFO L241 Difference]: Finished difference. Result has 699 places, 607 transitions, 31861 flow [2021-03-26 03:53:48,858 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31380, PETRI_DIFFERENCE_MINUEND_PLACES=691, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=239, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31861, PETRI_PLACES=699, PETRI_TRANSITIONS=607} [2021-03-26 03:53:48,858 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 661 predicate places. [2021-03-26 03:53:48,858 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:48,858 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 699 places, 607 transitions, 31861 flow [2021-03-26 03:53:48,858 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 699 places, 607 transitions, 31861 flow [2021-03-26 03:53:48,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 699 places, 607 transitions, 31861 flow [2021-03-26 03:53:49,588 INFO L129 PetriNetUnfolder]: 224/3199 cut-off events. [2021-03-26 03:53:49,589 INFO L130 PetriNetUnfolder]: For 325340/325943 co-relation queries the response was YES. [2021-03-26 03:53:49,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36670 conditions, 3199 events. 224/3199 cut-off events. For 325340/325943 co-relation queries the response was YES. Maximal size of possible extension queue 598. Compared 47771 event pairs, 0 based on Foata normal form. 8/3133 useless extension candidates. Maximal degree in co-relation 36471. Up to 448 conditions per place. [2021-03-26 03:53:49,672 INFO L142 LiptonReduction]: Number of co-enabled transitions 4268 [2021-03-26 03:53:49,727 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:49,727 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:49,727 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 869 [2021-03-26 03:53:49,728 INFO L480 AbstractCegarLoop]: Abstraction has has 699 places, 607 transitions, 31861 flow [2021-03-26 03:53:49,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:49,728 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:49,728 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:49,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-03-26 03:53:49,728 INFO L428 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:49,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:49,728 INFO L82 PathProgramCache]: Analyzing trace with hash -615590052, now seen corresponding path program 160 times [2021-03-26 03:53:49,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:49,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490068316] [2021-03-26 03:53:49,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:49,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:49,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:49,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:49,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:49,741 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:53:49,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:53:49,749 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:49,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:49,761 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:53:49,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:53:49,778 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:53:49,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:53:49,799 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:53:49,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:53:49,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:49,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490068316] [2021-03-26 03:53:49,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:49,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:53:49,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801079709] [2021-03-26 03:53:49,817 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:53:49,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:49,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:53:49,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:53:49,818 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:53:49,818 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 699 places, 607 transitions, 31861 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:49,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:49,818 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:53:49,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:51,296 INFO L129 PetriNetUnfolder]: 264/3289 cut-off events. [2021-03-26 03:53:51,296 INFO L130 PetriNetUnfolder]: For 339704/340445 co-relation queries the response was YES. [2021-03-26 03:53:51,339 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38994 conditions, 3289 events. 264/3289 cut-off events. For 339704/340445 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48339 event pairs, 16 based on Foata normal form. 40/3228 useless extension candidates. Maximal degree in co-relation 38794. Up to 611 conditions per place. [2021-03-26 03:53:51,347 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 365 selfloop transitions, 238 changer transitions 0/617 dead transitions. [2021-03-26 03:53:51,347 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 706 places, 617 transitions, 33459 flow [2021-03-26 03:53:51,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:53:51,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:53:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:53:51,348 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:53:51,348 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:53:51,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:53:51,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:51,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:53:51,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:51,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:51,352 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:51,352 INFO L185 Difference]: Start difference. First operand has 699 places, 607 transitions, 31861 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:53:51,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 706 places, 617 transitions, 33459 flow [2021-03-26 03:53:53,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 701 places, 617 transitions, 33007 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 03:53:53,320 INFO L241 Difference]: Finished difference. Result has 702 places, 607 transitions, 31888 flow [2021-03-26 03:53:53,320 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31409, PETRI_DIFFERENCE_MINUEND_PLACES=694, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=238, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31888, PETRI_PLACES=702, PETRI_TRANSITIONS=607} [2021-03-26 03:53:53,321 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 664 predicate places. [2021-03-26 03:53:53,321 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:53,321 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 702 places, 607 transitions, 31888 flow [2021-03-26 03:53:53,321 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 702 places, 607 transitions, 31888 flow [2021-03-26 03:53:53,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 702 places, 607 transitions, 31888 flow [2021-03-26 03:53:54,067 INFO L129 PetriNetUnfolder]: 224/3198 cut-off events. [2021-03-26 03:53:54,067 INFO L130 PetriNetUnfolder]: For 334618/335336 co-relation queries the response was YES. [2021-03-26 03:53:54,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36960 conditions, 3198 events. 224/3198 cut-off events. For 334618/335336 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47757 event pairs, 0 based on Foata normal form. 10/3135 useless extension candidates. Maximal degree in co-relation 36760. Up to 448 conditions per place. [2021-03-26 03:53:54,148 INFO L142 LiptonReduction]: Number of co-enabled transitions 4268 [2021-03-26 03:53:54,203 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:54,204 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:54,204 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 883 [2021-03-26 03:53:54,204 INFO L480 AbstractCegarLoop]: Abstraction has has 702 places, 607 transitions, 31888 flow [2021-03-26 03:53:54,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:54,204 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:54,204 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:54,204 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-03-26 03:53:54,204 INFO L428 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:54,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:54,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1360292550, now seen corresponding path program 161 times [2021-03-26 03:53:54,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:54,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619681089] [2021-03-26 03:53:54,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:54,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:54,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:54,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:54,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:54,214 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:53:54,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:53:54,221 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:54,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:54,231 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:53:54,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:53:54,245 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:53:54,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:53:54,264 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:53:54,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:53:54,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:54,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619681089] [2021-03-26 03:53:54,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:54,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:53:54,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692975413] [2021-03-26 03:53:54,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:53:54,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:54,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:53:54,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:53:54,282 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:53:54,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 607 transitions, 31888 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:54,283 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:54,283 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:53:54,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:55,766 INFO L129 PetriNetUnfolder]: 264/3288 cut-off events. [2021-03-26 03:53:55,766 INFO L130 PetriNetUnfolder]: For 349100/349817 co-relation queries the response was YES. [2021-03-26 03:53:55,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39282 conditions, 3288 events. 264/3288 cut-off events. For 349100/349817 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48319 event pairs, 16 based on Foata normal form. 31/3217 useless extension candidates. Maximal degree in co-relation 39081. Up to 611 conditions per place. [2021-03-26 03:53:55,815 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 347 selfloop transitions, 211 changer transitions 45/617 dead transitions. [2021-03-26 03:53:55,815 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 709 places, 617 transitions, 33494 flow [2021-03-26 03:53:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:53:55,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:53:55,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:53:55,816 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:53:55,816 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:53:55,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:53:55,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:55,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:53:55,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:55,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:55,817 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:55,817 INFO L185 Difference]: Start difference. First operand has 702 places, 607 transitions, 31888 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:53:55,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 709 places, 617 transitions, 33494 flow [2021-03-26 03:53:57,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 705 places, 617 transitions, 33100 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 03:53:57,857 INFO L241 Difference]: Finished difference. Result has 706 places, 562 transitions, 28456 flow [2021-03-26 03:53:57,857 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31494, PETRI_DIFFERENCE_MINUEND_PLACES=698, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=211, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=28456, PETRI_PLACES=706, PETRI_TRANSITIONS=562} [2021-03-26 03:53:57,857 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 668 predicate places. [2021-03-26 03:53:57,857 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:57,857 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 706 places, 562 transitions, 28456 flow [2021-03-26 03:53:57,857 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 706 places, 562 transitions, 28456 flow [2021-03-26 03:53:57,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 658 places, 562 transitions, 28456 flow [2021-03-26 03:53:58,532 INFO L129 PetriNetUnfolder]: 223/3043 cut-off events. [2021-03-26 03:53:58,532 INFO L130 PetriNetUnfolder]: For 323471/324031 co-relation queries the response was YES. [2021-03-26 03:53:58,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34658 conditions, 3043 events. 223/3043 cut-off events. For 323471/324031 co-relation queries the response was YES. Maximal size of possible extension queue 555. Compared 44804 event pairs, 0 based on Foata normal form. 4/2984 useless extension candidates. Maximal degree in co-relation 34457. Up to 446 conditions per place. [2021-03-26 03:53:58,616 INFO L142 LiptonReduction]: Number of co-enabled transitions 3774 [2021-03-26 03:53:58,665 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:58,665 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:58,665 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 808 [2021-03-26 03:53:58,665 INFO L480 AbstractCegarLoop]: Abstraction has has 658 places, 562 transitions, 28456 flow [2021-03-26 03:53:58,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:58,665 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:58,665 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:58,665 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-03-26 03:53:58,665 INFO L428 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:58,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:58,666 INFO L82 PathProgramCache]: Analyzing trace with hash 2013043110, now seen corresponding path program 162 times [2021-03-26 03:53:58,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:58,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455603011] [2021-03-26 03:53:58,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:58,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:58,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:58,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:58,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:58,676 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:58,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:58,688 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:53:58,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:53:58,714 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:53:58,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:53:58,733 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:53:58,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:53:58,757 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:53:58,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:53:58,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:58,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455603011] [2021-03-26 03:53:58,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:58,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:53:58,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071677987] [2021-03-26 03:53:58,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:53:58,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:58,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:53:58,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:53:58,779 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:53:58,779 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 658 places, 562 transitions, 28456 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:58,779 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:58,779 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:53:58,779 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:00,110 INFO L129 PetriNetUnfolder]: 263/3121 cut-off events. [2021-03-26 03:54:00,110 INFO L130 PetriNetUnfolder]: For 338502/338832 co-relation queries the response was YES. [2021-03-26 03:54:00,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36901 conditions, 3121 events. 263/3121 cut-off events. For 338502/338832 co-relation queries the response was YES. Maximal size of possible extension queue 554. Compared 45145 event pairs, 21 based on Foata normal form. 27/3066 useless extension candidates. Maximal degree in co-relation 36699. Up to 626 conditions per place. [2021-03-26 03:54:00,154 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 310 selfloop transitions, 239 changer transitions 11/574 dead transitions. [2021-03-26 03:54:00,154 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 574 transitions, 30032 flow [2021-03-26 03:54:00,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:54:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:54:00,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:54:00,155 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:54:00,155 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:54:00,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:54:00,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:00,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:54:00,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:00,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:00,156 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:00,156 INFO L185 Difference]: Start difference. First operand has 658 places, 562 transitions, 28456 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:54:00,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 574 transitions, 30032 flow [2021-03-26 03:54:01,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 629 places, 574 transitions, 29235 flow, removed 258 selfloop flow, removed 36 redundant places. [2021-03-26 03:54:01,601 INFO L241 Difference]: Finished difference. Result has 630 places, 551 transitions, 27647 flow [2021-03-26 03:54:01,601 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27859, PETRI_DIFFERENCE_MINUEND_PLACES=622, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=239, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27647, PETRI_PLACES=630, PETRI_TRANSITIONS=551} [2021-03-26 03:54:01,602 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 592 predicate places. [2021-03-26 03:54:01,602 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:01,602 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 630 places, 551 transitions, 27647 flow [2021-03-26 03:54:01,602 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 630 places, 551 transitions, 27647 flow [2021-03-26 03:54:01,612 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 624 places, 551 transitions, 27647 flow [2021-03-26 03:54:02,196 INFO L129 PetriNetUnfolder]: 222/3005 cut-off events. [2021-03-26 03:54:02,197 INFO L130 PetriNetUnfolder]: For 163026/163584 co-relation queries the response was YES. [2021-03-26 03:54:02,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27006 conditions, 3005 events. 222/3005 cut-off events. For 163026/163584 co-relation queries the response was YES. Maximal size of possible extension queue 548. Compared 44034 event pairs, 0 based on Foata normal form. 7/2955 useless extension candidates. Maximal degree in co-relation 26837. Up to 444 conditions per place. [2021-03-26 03:54:02,265 INFO L142 LiptonReduction]: Number of co-enabled transitions 3642 [2021-03-26 03:54:02,312 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:02,312 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:02,312 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 710 [2021-03-26 03:54:02,312 INFO L480 AbstractCegarLoop]: Abstraction has has 624 places, 551 transitions, 27647 flow [2021-03-26 03:54:02,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:02,312 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:02,313 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:02,313 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-03-26 03:54:02,313 INFO L428 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:02,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:02,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1859515920, now seen corresponding path program 163 times [2021-03-26 03:54:02,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:02,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737942342] [2021-03-26 03:54:02,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:02,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:02,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:02,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:02,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:02,323 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:02,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:02,336 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:54:02,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:54:02,352 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:54:02,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:54:02,367 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:54:02,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:54:02,386 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:54:02,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:54:02,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:02,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737942342] [2021-03-26 03:54:02,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:02,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:54:02,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540436227] [2021-03-26 03:54:02,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:54:02,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:02,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:54:02,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:54:02,405 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:54:02,406 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 624 places, 551 transitions, 27647 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:02,406 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:02,406 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:54:02,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:03,548 INFO L129 PetriNetUnfolder]: 262/3095 cut-off events. [2021-03-26 03:54:03,548 INFO L130 PetriNetUnfolder]: For 168661/168727 co-relation queries the response was YES. [2021-03-26 03:54:03,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29246 conditions, 3095 events. 262/3095 cut-off events. For 168661/168727 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 44624 event pairs, 15 based on Foata normal form. 12/3054 useless extension candidates. Maximal degree in co-relation 29076. Up to 626 conditions per place. [2021-03-26 03:54:03,594 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 303 selfloop transitions, 253 changer transitions 0/570 dead transitions. [2021-03-26 03:54:03,594 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 631 places, 570 transitions, 29357 flow [2021-03-26 03:54:03,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:54:03,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:54:03,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:54:03,595 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:54:03,595 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:54:03,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:54:03,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:03,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:54:03,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:03,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:03,596 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:03,596 INFO L185 Difference]: Start difference. First operand has 624 places, 551 transitions, 27647 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:54:03,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 631 places, 570 transitions, 29357 flow [2021-03-26 03:54:04,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 616 places, 570 transitions, 28791 flow, removed 31 selfloop flow, removed 15 redundant places. [2021-03-26 03:54:04,922 INFO L241 Difference]: Finished difference. Result has 619 places, 557 transitions, 27998 flow [2021-03-26 03:54:04,923 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27141, PETRI_DIFFERENCE_MINUEND_PLACES=609, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=247, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27998, PETRI_PLACES=619, PETRI_TRANSITIONS=557} [2021-03-26 03:54:04,923 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 581 predicate places. [2021-03-26 03:54:04,923 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:04,923 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 619 places, 557 transitions, 27998 flow [2021-03-26 03:54:04,923 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 619 places, 557 transitions, 27998 flow [2021-03-26 03:54:04,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 619 places, 557 transitions, 27998 flow [2021-03-26 03:54:05,608 INFO L129 PetriNetUnfolder]: 222/3004 cut-off events. [2021-03-26 03:54:05,608 INFO L130 PetriNetUnfolder]: For 152190/152711 co-relation queries the response was YES. [2021-03-26 03:54:05,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25504 conditions, 3004 events. 222/3004 cut-off events. For 152190/152711 co-relation queries the response was YES. Maximal size of possible extension queue 552. Compared 43929 event pairs, 0 based on Foata normal form. 7/2954 useless extension candidates. Maximal degree in co-relation 25342. Up to 444 conditions per place. [2021-03-26 03:54:05,676 INFO L142 LiptonReduction]: Number of co-enabled transitions 3670 [2021-03-26 03:54:05,723 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:05,723 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:05,723 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 800 [2021-03-26 03:54:05,724 INFO L480 AbstractCegarLoop]: Abstraction has has 619 places, 557 transitions, 27998 flow [2021-03-26 03:54:05,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:05,724 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:05,724 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:05,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-03-26 03:54:05,724 INFO L428 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:05,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:05,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1671105896, now seen corresponding path program 164 times [2021-03-26 03:54:05,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:05,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924359289] [2021-03-26 03:54:05,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:05,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:05,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:05,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:05,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:05,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:05,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:54:05,741 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:54:05,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:54:05,759 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:54:05,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:54:05,781 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:54:05,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:54:05,800 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:54:05,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:54:05,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:05,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924359289] [2021-03-26 03:54:05,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:05,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:54:05,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065238195] [2021-03-26 03:54:05,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:54:05,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:05,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:54:05,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:54:05,818 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:54:05,819 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 619 places, 557 transitions, 27998 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:05,819 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:05,819 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:54:05,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:07,103 INFO L129 PetriNetUnfolder]: 292/3581 cut-off events. [2021-03-26 03:54:07,104 INFO L130 PetriNetUnfolder]: For 178610/178676 co-relation queries the response was YES. [2021-03-26 03:54:07,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31497 conditions, 3581 events. 292/3581 cut-off events. For 178610/178676 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 53215 event pairs, 7 based on Foata normal form. 1/3521 useless extension candidates. Maximal degree in co-relation 31334. Up to 634 conditions per place. [2021-03-26 03:54:07,156 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 423 selfloop transitions, 255 changer transitions 2/694 dead transitions. [2021-03-26 03:54:07,156 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 626 places, 694 transitions, 35266 flow [2021-03-26 03:54:07,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:54:07,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:54:07,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:54:07,157 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:54:07,157 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:54:07,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:54:07,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:07,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:54:07,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:07,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:07,158 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:07,158 INFO L185 Difference]: Start difference. First operand has 619 places, 557 transitions, 27998 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:54:07,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 626 places, 694 transitions, 35266 flow [2021-03-26 03:54:08,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 623 places, 694 transitions, 34686 flow, removed 13 selfloop flow, removed 3 redundant places. [2021-03-26 03:54:08,482 INFO L241 Difference]: Finished difference. Result has 629 places, 596 transitions, 30364 flow [2021-03-26 03:54:08,482 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27513, PETRI_DIFFERENCE_MINUEND_PLACES=616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=216, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30364, PETRI_PLACES=629, PETRI_TRANSITIONS=596} [2021-03-26 03:54:08,482 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 591 predicate places. [2021-03-26 03:54:08,482 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:08,482 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 629 places, 596 transitions, 30364 flow [2021-03-26 03:54:08,482 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 629 places, 596 transitions, 30364 flow [2021-03-26 03:54:08,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 628 places, 596 transitions, 30364 flow [2021-03-26 03:54:09,227 INFO L129 PetriNetUnfolder]: 260/3509 cut-off events. [2021-03-26 03:54:09,227 INFO L130 PetriNetUnfolder]: For 184199/184476 co-relation queries the response was YES. [2021-03-26 03:54:09,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30003 conditions, 3509 events. 260/3509 cut-off events. For 184199/184476 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 52749 event pairs, 0 based on Foata normal form. 15/3461 useless extension candidates. Maximal degree in co-relation 29835. Up to 520 conditions per place. [2021-03-26 03:54:09,304 INFO L142 LiptonReduction]: Number of co-enabled transitions 3896 [2021-03-26 03:54:09,355 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:09,355 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:09,355 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 873 [2021-03-26 03:54:09,355 INFO L480 AbstractCegarLoop]: Abstraction has has 628 places, 596 transitions, 30364 flow [2021-03-26 03:54:09,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:09,356 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:09,356 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:09,356 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2021-03-26 03:54:09,356 INFO L428 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:09,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:09,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1907288762, now seen corresponding path program 165 times [2021-03-26 03:54:09,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:09,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89450207] [2021-03-26 03:54:09,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:09,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:09,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:09,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:09,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:09,368 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:09,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:09,382 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:54:09,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:54:09,400 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:54:09,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:54:09,424 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:54:09,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:54:09,445 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:54:09,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:54:09,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:09,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89450207] [2021-03-26 03:54:09,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:09,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:54:09,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757158120] [2021-03-26 03:54:09,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:54:09,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:09,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:54:09,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:54:09,466 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:54:09,467 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 596 transitions, 30364 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:09,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:09,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:54:09,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:10,812 INFO L129 PetriNetUnfolder]: 291/3571 cut-off events. [2021-03-26 03:54:10,812 INFO L130 PetriNetUnfolder]: For 188739/188823 co-relation queries the response was YES. [2021-03-26 03:54:10,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32169 conditions, 3571 events. 291/3571 cut-off events. For 188739/188823 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 53115 event pairs, 20 based on Foata normal form. 10/3525 useless extension candidates. Maximal degree in co-relation 32000. Up to 692 conditions per place. [2021-03-26 03:54:10,861 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 305 selfloop transitions, 289 changer transitions 3/611 dead transitions. [2021-03-26 03:54:10,861 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 635 places, 611 transitions, 31921 flow [2021-03-26 03:54:10,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:54:10,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:54:10,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:54:10,862 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:54:10,862 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:54:10,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:54:10,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:10,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:54:10,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:10,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:10,863 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:10,863 INFO L185 Difference]: Start difference. First operand has 628 places, 596 transitions, 30364 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:54:10,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 635 places, 611 transitions, 31921 flow [2021-03-26 03:54:12,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 611 transitions, 31813 flow, removed 15 selfloop flow, removed 3 redundant places. [2021-03-26 03:54:12,248 INFO L241 Difference]: Finished difference. Result has 635 places, 595 transitions, 30846 flow [2021-03-26 03:54:12,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30272, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=596, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=289, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30846, PETRI_PLACES=635, PETRI_TRANSITIONS=595} [2021-03-26 03:54:12,248 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 597 predicate places. [2021-03-26 03:54:12,248 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:12,248 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 635 places, 595 transitions, 30846 flow [2021-03-26 03:54:12,249 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 635 places, 595 transitions, 30846 flow [2021-03-26 03:54:12,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 634 places, 595 transitions, 30846 flow [2021-03-26 03:54:13,028 INFO L129 PetriNetUnfolder]: 259/3498 cut-off events. [2021-03-26 03:54:13,028 INFO L130 PetriNetUnfolder]: For 187111/187428 co-relation queries the response was YES. [2021-03-26 03:54:13,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30283 conditions, 3498 events. 259/3498 cut-off events. For 187111/187428 co-relation queries the response was YES. Maximal size of possible extension queue 639. Compared 52508 event pairs, 0 based on Foata normal form. 14/3452 useless extension candidates. Maximal degree in co-relation 30114. Up to 518 conditions per place. [2021-03-26 03:54:13,099 INFO L142 LiptonReduction]: Number of co-enabled transitions 3892 [2021-03-26 03:54:13,148 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:13,148 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:13,149 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 901 [2021-03-26 03:54:13,149 INFO L480 AbstractCegarLoop]: Abstraction has has 634 places, 595 transitions, 30846 flow [2021-03-26 03:54:13,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:13,149 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:13,149 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:13,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2021-03-26 03:54:13,149 INFO L428 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:13,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:13,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1122740500, now seen corresponding path program 166 times [2021-03-26 03:54:13,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:13,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859323698] [2021-03-26 03:54:13,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:13,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:13,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:13,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:13,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:13,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:13,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:54:13,174 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:54:13,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:54:13,195 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:54:13,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:54:13,218 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:54:13,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:54:13,237 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:54:13,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:54:13,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:13,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859323698] [2021-03-26 03:54:13,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:13,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:54:13,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377316981] [2021-03-26 03:54:13,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:54:13,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:13,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:54:13,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:54:13,255 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:54:13,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 634 places, 595 transitions, 30846 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:13,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:13,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:54:13,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:14,626 INFO L129 PetriNetUnfolder]: 297/3697 cut-off events. [2021-03-26 03:54:14,626 INFO L130 PetriNetUnfolder]: For 197728/197816 co-relation queries the response was YES. [2021-03-26 03:54:14,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33435 conditions, 3697 events. 297/3697 cut-off events. For 197728/197816 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55430 event pairs, 14 based on Foata normal form. 8/3647 useless extension candidates. Maximal degree in co-relation 33265. Up to 689 conditions per place. [2021-03-26 03:54:14,678 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 420 selfloop transitions, 257 changer transitions 2/693 dead transitions. [2021-03-26 03:54:14,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 641 places, 693 transitions, 36350 flow [2021-03-26 03:54:14,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:54:14,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:54:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:54:14,679 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:54:14,679 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:54:14,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:54:14,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:14,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:54:14,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:14,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:14,680 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:14,680 INFO L185 Difference]: Start difference. First operand has 634 places, 595 transitions, 30846 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:54:14,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 641 places, 693 transitions, 36350 flow [2021-03-26 03:54:16,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 635 places, 693 transitions, 35712 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 03:54:16,183 INFO L241 Difference]: Finished difference. Result has 641 places, 622 transitions, 32444 flow [2021-03-26 03:54:16,184 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30275, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=595, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=230, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32444, PETRI_PLACES=641, PETRI_TRANSITIONS=622} [2021-03-26 03:54:16,184 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 603 predicate places. [2021-03-26 03:54:16,184 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:16,184 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 641 places, 622 transitions, 32444 flow [2021-03-26 03:54:16,184 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 641 places, 622 transitions, 32444 flow [2021-03-26 03:54:16,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 640 places, 622 transitions, 32444 flow [2021-03-26 03:54:16,950 INFO L129 PetriNetUnfolder]: 271/3637 cut-off events. [2021-03-26 03:54:16,951 INFO L130 PetriNetUnfolder]: For 200032/200251 co-relation queries the response was YES. [2021-03-26 03:54:17,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31580 conditions, 3637 events. 271/3637 cut-off events. For 200032/200251 co-relation queries the response was YES. Maximal size of possible extension queue 659. Compared 54929 event pairs, 0 based on Foata normal form. 4/3579 useless extension candidates. Maximal degree in co-relation 31407. Up to 542 conditions per place. [2021-03-26 03:54:17,141 INFO L142 LiptonReduction]: Number of co-enabled transitions 4018 [2021-03-26 03:54:17,195 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:17,195 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:17,195 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1011 [2021-03-26 03:54:17,195 INFO L480 AbstractCegarLoop]: Abstraction has has 640 places, 622 transitions, 32444 flow [2021-03-26 03:54:17,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:17,195 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:17,195 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:17,195 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2021-03-26 03:54:17,196 INFO L428 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:17,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:17,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1678057242, now seen corresponding path program 167 times [2021-03-26 03:54:17,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:17,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733102376] [2021-03-26 03:54:17,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:17,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:17,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:17,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:17,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:17,220 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:17,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:17,233 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:54:17,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:54:17,249 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:54:17,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:54:17,270 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:54:17,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:54:17,289 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:54:17,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:54:17,307 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 03:54:17,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733102376] [2021-03-26 03:54:17,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:17,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:54:17,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623414889] [2021-03-26 03:54:17,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:54:17,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:17,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:54:17,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:54:17,308 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:54:17,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 640 places, 622 transitions, 32444 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:17,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:17,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:54:17,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:18,760 INFO L129 PetriNetUnfolder]: 297/3716 cut-off events. [2021-03-26 03:54:18,761 INFO L130 PetriNetUnfolder]: For 206000/206143 co-relation queries the response was YES. [2021-03-26 03:54:18,806 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33806 conditions, 3716 events. 297/3716 cut-off events. For 206000/206143 co-relation queries the response was YES. Maximal size of possible extension queue 663. Compared 55722 event pairs, 20 based on Foata normal form. 15/3674 useless extension candidates. Maximal degree in co-relation 33632. Up to 692 conditions per place. [2021-03-26 03:54:18,814 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 312 selfloop transitions, 311 changer transitions 2/639 dead transitions. [2021-03-26 03:54:18,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 639 transitions, 34245 flow [2021-03-26 03:54:18,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:54:18,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:54:18,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:54:18,815 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:54:18,815 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:54:18,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:54:18,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:18,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:54:18,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:18,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:18,816 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:18,816 INFO L185 Difference]: Start difference. First operand has 640 places, 622 transitions, 32444 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:54:18,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 639 transitions, 34245 flow [2021-03-26 03:54:20,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 639 transitions, 33992 flow, removed 52 selfloop flow, removed 3 redundant places. [2021-03-26 03:54:20,448 INFO L241 Difference]: Finished difference. Result has 648 places, 625 transitions, 33014 flow [2021-03-26 03:54:20,449 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32201, PETRI_DIFFERENCE_MINUEND_PLACES=637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=622, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=308, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33014, PETRI_PLACES=648, PETRI_TRANSITIONS=625} [2021-03-26 03:54:20,449 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 610 predicate places. [2021-03-26 03:54:20,449 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:20,449 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 648 places, 625 transitions, 33014 flow [2021-03-26 03:54:20,449 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 648 places, 625 transitions, 33014 flow [2021-03-26 03:54:20,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 647 places, 625 transitions, 33014 flow [2021-03-26 03:54:21,239 INFO L129 PetriNetUnfolder]: 273/3660 cut-off events. [2021-03-26 03:54:21,239 INFO L130 PetriNetUnfolder]: For 204016/204189 co-relation queries the response was YES. [2021-03-26 03:54:21,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32098 conditions, 3660 events. 273/3660 cut-off events. For 204016/204189 co-relation queries the response was YES. Maximal size of possible extension queue 664. Compared 55321 event pairs, 0 based on Foata normal form. 2/3602 useless extension candidates. Maximal degree in co-relation 31923. Up to 546 conditions per place. [2021-03-26 03:54:21,430 INFO L142 LiptonReduction]: Number of co-enabled transitions 4030 [2021-03-26 03:54:21,485 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:21,485 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:21,485 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1036 [2021-03-26 03:54:21,486 INFO L480 AbstractCegarLoop]: Abstraction has has 647 places, 625 transitions, 33014 flow [2021-03-26 03:54:21,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:21,486 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:21,486 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:21,486 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2021-03-26 03:54:21,486 INFO L428 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:21,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:21,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1416545170, now seen corresponding path program 168 times [2021-03-26 03:54:21,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:21,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991070948] [2021-03-26 03:54:21,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:21,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:21,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:21,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:21,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:21,496 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:21,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:21,509 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:54:21,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:54:21,527 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:54:21,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:54:21,548 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:54:21,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:54:21,567 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:54:21,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:54:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:21,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991070948] [2021-03-26 03:54:21,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:21,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:54:21,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153359] [2021-03-26 03:54:21,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:54:21,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:21,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:54:21,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:54:21,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:54:21,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 647 places, 625 transitions, 33014 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:21,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:21,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:54:21,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:23,065 INFO L129 PetriNetUnfolder]: 296/3706 cut-off events. [2021-03-26 03:54:23,065 INFO L130 PetriNetUnfolder]: For 208934/209077 co-relation queries the response was YES. [2021-03-26 03:54:23,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34086 conditions, 3706 events. 296/3706 cut-off events. For 208934/209077 co-relation queries the response was YES. Maximal size of possible extension queue 662. Compared 55600 event pairs, 20 based on Foata normal form. 15/3664 useless extension candidates. Maximal degree in co-relation 33910. Up to 692 conditions per place. [2021-03-26 03:54:23,121 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 346 selfloop transitions, 295 changer transitions 2/657 dead transitions. [2021-03-26 03:54:23,121 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 657 transitions, 35566 flow [2021-03-26 03:54:23,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:54:23,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:54:23,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:54:23,122 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:54:23,122 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:54:23,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:54:23,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:23,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:54:23,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:23,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:23,123 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:23,123 INFO L185 Difference]: Start difference. First operand has 647 places, 625 transitions, 33014 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:54:23,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 657 transitions, 35566 flow [2021-03-26 03:54:24,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 657 transitions, 34977 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-26 03:54:24,766 INFO L241 Difference]: Finished difference. Result has 653 places, 631 transitions, 33487 flow [2021-03-26 03:54:24,767 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32438, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=288, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33487, PETRI_PLACES=653, PETRI_TRANSITIONS=631} [2021-03-26 03:54:24,767 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 615 predicate places. [2021-03-26 03:54:24,767 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:24,767 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 653 places, 631 transitions, 33487 flow [2021-03-26 03:54:24,767 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 653 places, 631 transitions, 33487 flow [2021-03-26 03:54:24,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 652 places, 631 transitions, 33487 flow [2021-03-26 03:54:25,580 INFO L129 PetriNetUnfolder]: 272/3650 cut-off events. [2021-03-26 03:54:25,580 INFO L130 PetriNetUnfolder]: For 207771/207962 co-relation queries the response was YES. [2021-03-26 03:54:25,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32165 conditions, 3650 events. 272/3650 cut-off events. For 207771/207962 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55121 event pairs, 0 based on Foata normal form. 2/3594 useless extension candidates. Maximal degree in co-relation 31988. Up to 544 conditions per place. [2021-03-26 03:54:25,768 INFO L142 LiptonReduction]: Number of co-enabled transitions 4068 [2021-03-26 03:54:25,823 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:25,823 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:25,824 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1057 [2021-03-26 03:54:25,824 INFO L480 AbstractCegarLoop]: Abstraction has has 652 places, 631 transitions, 33487 flow [2021-03-26 03:54:25,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:25,824 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:25,824 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:25,824 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2021-03-26 03:54:25,824 INFO L428 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:25,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:25,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1872207556, now seen corresponding path program 169 times [2021-03-26 03:54:25,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:25,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158477465] [2021-03-26 03:54:25,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:25,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:25,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:25,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:25,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:25,838 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:25,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:25,852 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:54:25,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:54:25,870 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:54:25,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:54:25,895 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:54:25,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:54:25,917 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:54:25,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:54:25,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:25,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158477465] [2021-03-26 03:54:25,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:25,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:54:25,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358308036] [2021-03-26 03:54:25,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:54:25,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:25,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:54:25,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:54:25,940 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:54:25,940 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 652 places, 631 transitions, 33487 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:25,940 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:25,940 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:54:25,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:27,495 INFO L129 PetriNetUnfolder]: 295/3696 cut-off events. [2021-03-26 03:54:27,495 INFO L130 PetriNetUnfolder]: For 213316/213508 co-relation queries the response was YES. [2021-03-26 03:54:27,551 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34155 conditions, 3696 events. 295/3696 cut-off events. For 213316/213508 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55443 event pairs, 20 based on Foata normal form. 18/3657 useless extension candidates. Maximal degree in co-relation 33977. Up to 692 conditions per place. [2021-03-26 03:54:27,559 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 310 selfloop transitions, 316 changer transitions 2/642 dead transitions. [2021-03-26 03:54:27,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 659 places, 642 transitions, 35058 flow [2021-03-26 03:54:27,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:54:27,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:54:27,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:54:27,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:54:27,560 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:54:27,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:54:27,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:27,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:54:27,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:27,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:27,561 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:27,561 INFO L185 Difference]: Start difference. First operand has 652 places, 631 transitions, 33487 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:54:27,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 659 places, 642 transitions, 35058 flow [2021-03-26 03:54:29,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 656 places, 642 transitions, 34602 flow, removed 27 selfloop flow, removed 3 redundant places. [2021-03-26 03:54:29,224 INFO L241 Difference]: Finished difference. Result has 658 places, 632 transitions, 33751 flow [2021-03-26 03:54:29,224 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33039, PETRI_DIFFERENCE_MINUEND_PLACES=649, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=631, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=314, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33751, PETRI_PLACES=658, PETRI_TRANSITIONS=632} [2021-03-26 03:54:29,224 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 620 predicate places. [2021-03-26 03:54:29,224 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:29,224 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 632 transitions, 33751 flow [2021-03-26 03:54:29,224 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 632 transitions, 33751 flow [2021-03-26 03:54:29,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 657 places, 632 transitions, 33751 flow [2021-03-26 03:54:30,141 INFO L129 PetriNetUnfolder]: 271/3640 cut-off events. [2021-03-26 03:54:30,141 INFO L130 PetriNetUnfolder]: For 207466/207650 co-relation queries the response was YES. [2021-03-26 03:54:30,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32257 conditions, 3640 events. 271/3640 cut-off events. For 207466/207650 co-relation queries the response was YES. Maximal size of possible extension queue 660. Compared 55021 event pairs, 0 based on Foata normal form. 2/3582 useless extension candidates. Maximal degree in co-relation 32079. Up to 542 conditions per place. [2021-03-26 03:54:30,219 INFO L142 LiptonReduction]: Number of co-enabled transitions 4060 [2021-03-26 03:54:30,275 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:30,275 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:30,275 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1051 [2021-03-26 03:54:30,275 INFO L480 AbstractCegarLoop]: Abstraction has has 657 places, 632 transitions, 33751 flow [2021-03-26 03:54:30,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:30,275 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:30,275 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:30,276 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2021-03-26 03:54:30,276 INFO L428 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:30,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:30,276 INFO L82 PathProgramCache]: Analyzing trace with hash 187039396, now seen corresponding path program 170 times [2021-03-26 03:54:30,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:30,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502826161] [2021-03-26 03:54:30,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:30,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:30,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:30,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:30,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:30,286 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:30,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:30,299 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:54:30,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:54:30,314 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:54:30,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:54:30,329 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:54:30,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:54:30,348 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:54:30,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:54:30,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:30,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502826161] [2021-03-26 03:54:30,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:30,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:54:30,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334794654] [2021-03-26 03:54:30,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:54:30,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:30,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:54:30,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:54:30,366 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:54:30,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 657 places, 632 transitions, 33751 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:30,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:30,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:54:30,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:31,863 INFO L129 PetriNetUnfolder]: 294/3686 cut-off events. [2021-03-26 03:54:31,863 INFO L130 PetriNetUnfolder]: For 212797/212989 co-relation queries the response was YES. [2021-03-26 03:54:31,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34244 conditions, 3686 events. 294/3686 cut-off events. For 212797/212989 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 55241 event pairs, 20 based on Foata normal form. 18/3647 useless extension candidates. Maximal degree in co-relation 34065. Up to 692 conditions per place. [2021-03-26 03:54:31,919 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 304 selfloop transitions, 316 changer transitions 6/640 dead transitions. [2021-03-26 03:54:31,919 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 664 places, 640 transitions, 35147 flow [2021-03-26 03:54:31,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:54:31,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:54:31,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:54:31,920 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:54:31,920 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:54:31,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:54:31,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:31,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:54:31,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:31,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:31,921 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:31,921 INFO L185 Difference]: Start difference. First operand has 657 places, 632 transitions, 33751 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:54:31,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 664 places, 640 transitions, 35147 flow [2021-03-26 03:54:33,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 658 places, 640 transitions, 34502 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-03-26 03:54:33,575 INFO L241 Difference]: Finished difference. Result has 659 places, 626 transitions, 33435 flow [2021-03-26 03:54:33,575 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33114, PETRI_DIFFERENCE_MINUEND_PLACES=651, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=632, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=316, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33435, PETRI_PLACES=659, PETRI_TRANSITIONS=626} [2021-03-26 03:54:33,575 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 621 predicate places. [2021-03-26 03:54:33,575 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:33,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 659 places, 626 transitions, 33435 flow [2021-03-26 03:54:33,575 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 659 places, 626 transitions, 33435 flow [2021-03-26 03:54:33,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 655 places, 626 transitions, 33435 flow [2021-03-26 03:54:34,463 INFO L129 PetriNetUnfolder]: 270/3623 cut-off events. [2021-03-26 03:54:34,463 INFO L130 PetriNetUnfolder]: For 206340/206548 co-relation queries the response was YES. [2021-03-26 03:54:34,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32057 conditions, 3623 events. 270/3623 cut-off events. For 206340/206548 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 54621 event pairs, 0 based on Foata normal form. 2/3565 useless extension candidates. Maximal degree in co-relation 31879. Up to 540 conditions per place. [2021-03-26 03:54:34,541 INFO L142 LiptonReduction]: Number of co-enabled transitions 3996 [2021-03-26 03:54:34,596 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:34,596 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:34,596 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1021 [2021-03-26 03:54:34,596 INFO L480 AbstractCegarLoop]: Abstraction has has 655 places, 626 transitions, 33435 flow [2021-03-26 03:54:34,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:34,596 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:34,596 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:34,596 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2021-03-26 03:54:34,596 INFO L428 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:34,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:34,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1425626012, now seen corresponding path program 171 times [2021-03-26 03:54:34,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:34,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661329623] [2021-03-26 03:54:34,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:34,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:34,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:34,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:34,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:34,606 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:34,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:34,619 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:54:34,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:54:34,637 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:54:34,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:54:34,662 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:54:34,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:54:34,680 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:54:34,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:54:34,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:34,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661329623] [2021-03-26 03:54:34,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:34,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:54:34,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133392225] [2021-03-26 03:54:34,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:54:34,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:34,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:54:34,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:54:34,699 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:54:34,699 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 655 places, 626 transitions, 33435 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:34,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:34,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:54:34,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:36,199 INFO L129 PetriNetUnfolder]: 293/3669 cut-off events. [2021-03-26 03:54:36,200 INFO L130 PetriNetUnfolder]: For 211520/211708 co-relation queries the response was YES. [2021-03-26 03:54:36,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34036 conditions, 3669 events. 293/3669 cut-off events. For 211520/211708 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 54940 event pairs, 20 based on Foata normal form. 16/3630 useless extension candidates. Maximal degree in co-relation 33857. Up to 692 conditions per place. [2021-03-26 03:54:36,257 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 319 selfloop transitions, 309 changer transitions 2/644 dead transitions. [2021-03-26 03:54:36,257 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 662 places, 644 transitions, 35328 flow [2021-03-26 03:54:36,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:54:36,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:54:36,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:54:36,258 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:54:36,258 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:54:36,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:54:36,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:36,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:54:36,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:36,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:36,259 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:36,259 INFO L185 Difference]: Start difference. First operand has 655 places, 626 transitions, 33435 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:54:36,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 662 places, 644 transitions, 35328 flow [2021-03-26 03:54:37,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 644 transitions, 34651 flow, removed 19 selfloop flow, removed 8 redundant places. [2021-03-26 03:54:37,983 INFO L241 Difference]: Finished difference. Result has 658 places, 629 transitions, 33623 flow [2021-03-26 03:54:37,984 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32781, PETRI_DIFFERENCE_MINUEND_PLACES=647, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=626, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=306, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33623, PETRI_PLACES=658, PETRI_TRANSITIONS=629} [2021-03-26 03:54:37,984 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 620 predicate places. [2021-03-26 03:54:37,984 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:37,984 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 629 transitions, 33623 flow [2021-03-26 03:54:37,984 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 629 transitions, 33623 flow [2021-03-26 03:54:37,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 657 places, 629 transitions, 33623 flow [2021-03-26 03:54:38,876 INFO L129 PetriNetUnfolder]: 269/3613 cut-off events. [2021-03-26 03:54:38,876 INFO L130 PetriNetUnfolder]: For 204649/204855 co-relation queries the response was YES. [2021-03-26 03:54:38,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31648 conditions, 3613 events. 269/3613 cut-off events. For 204649/204855 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 54471 event pairs, 0 based on Foata normal form. 3/3555 useless extension candidates. Maximal degree in co-relation 31470. Up to 538 conditions per place. [2021-03-26 03:54:38,958 INFO L142 LiptonReduction]: Number of co-enabled transitions 4010 [2021-03-26 03:54:39,015 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:39,015 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:39,015 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1031 [2021-03-26 03:54:39,015 INFO L480 AbstractCegarLoop]: Abstraction has has 657 places, 629 transitions, 33623 flow [2021-03-26 03:54:39,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:39,016 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:39,016 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:39,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2021-03-26 03:54:39,016 INFO L428 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:39,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:39,016 INFO L82 PathProgramCache]: Analyzing trace with hash -115841564, now seen corresponding path program 172 times [2021-03-26 03:54:39,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:39,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251499913] [2021-03-26 03:54:39,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:39,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:39,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:39,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:39,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:39,026 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:39,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:39,039 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:54:39,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:54:39,058 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:54:39,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:54:39,083 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:54:39,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:54:39,103 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:54:39,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:54:39,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:39,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251499913] [2021-03-26 03:54:39,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:39,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:54:39,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623551323] [2021-03-26 03:54:39,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:54:39,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:39,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:54:39,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:54:39,122 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:54:39,122 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 657 places, 629 transitions, 33623 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:39,122 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:39,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:54:39,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:40,586 INFO L129 PetriNetUnfolder]: 292/3657 cut-off events. [2021-03-26 03:54:40,586 INFO L130 PetriNetUnfolder]: For 209463/209651 co-relation queries the response was YES. [2021-03-26 03:54:40,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33611 conditions, 3657 events. 292/3657 cut-off events. For 209463/209651 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 54709 event pairs, 21 based on Foata normal form. 16/3617 useless extension candidates. Maximal degree in co-relation 33432. Up to 692 conditions per place. [2021-03-26 03:54:40,640 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 318 selfloop transitions, 307 changer transitions 3/642 dead transitions. [2021-03-26 03:54:40,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 664 places, 642 transitions, 35251 flow [2021-03-26 03:54:40,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:54:40,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:54:40,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:54:40,641 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:54:40,641 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:54:40,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:54:40,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:40,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:54:40,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:40,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:40,642 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:40,642 INFO L185 Difference]: Start difference. First operand has 657 places, 629 transitions, 33623 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:54:40,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 664 places, 642 transitions, 35251 flow [2021-03-26 03:54:42,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 659 places, 642 transitions, 34675 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-03-26 03:54:42,281 INFO L241 Difference]: Finished difference. Result has 661 places, 627 transitions, 33589 flow [2021-03-26 03:54:42,281 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33055, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=629, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=307, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33589, PETRI_PLACES=661, PETRI_TRANSITIONS=627} [2021-03-26 03:54:42,281 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 623 predicate places. [2021-03-26 03:54:42,281 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:42,281 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 661 places, 627 transitions, 33589 flow [2021-03-26 03:54:42,281 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 661 places, 627 transitions, 33589 flow [2021-03-26 03:54:42,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 660 places, 627 transitions, 33589 flow [2021-03-26 03:54:43,140 INFO L129 PetriNetUnfolder]: 268/3602 cut-off events. [2021-03-26 03:54:43,140 INFO L130 PetriNetUnfolder]: For 204202/204370 co-relation queries the response was YES. [2021-03-26 03:54:43,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31632 conditions, 3602 events. 268/3602 cut-off events. For 204202/204370 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 54324 event pairs, 0 based on Foata normal form. 4/3549 useless extension candidates. Maximal degree in co-relation 31454. Up to 536 conditions per place. [2021-03-26 03:54:43,216 INFO L142 LiptonReduction]: Number of co-enabled transitions 4006 [2021-03-26 03:54:43,270 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:43,270 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:43,270 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 989 [2021-03-26 03:54:43,270 INFO L480 AbstractCegarLoop]: Abstraction has has 660 places, 627 transitions, 33589 flow [2021-03-26 03:54:43,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:43,270 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:43,271 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:43,271 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2021-03-26 03:54:43,271 INFO L428 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:43,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:43,271 INFO L82 PathProgramCache]: Analyzing trace with hash -781931664, now seen corresponding path program 173 times [2021-03-26 03:54:43,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:43,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22238383] [2021-03-26 03:54:43,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:43,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:43,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:43,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:43,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:43,281 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:43,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:43,293 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:54:43,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:54:43,311 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:54:43,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:54:43,331 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:54:43,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:54:43,350 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:54:43,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:54:43,367 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 03:54:43,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22238383] [2021-03-26 03:54:43,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:43,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:54:43,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015760301] [2021-03-26 03:54:43,368 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:54:43,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:43,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:54:43,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:54:43,368 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:54:43,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 660 places, 627 transitions, 33589 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:43,368 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:43,368 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:54:43,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:44,809 INFO L129 PetriNetUnfolder]: 291/3648 cut-off events. [2021-03-26 03:54:44,809 INFO L130 PetriNetUnfolder]: For 208965/209153 co-relation queries the response was YES. [2021-03-26 03:54:44,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33593 conditions, 3648 events. 291/3648 cut-off events. For 208965/209153 co-relation queries the response was YES. Maximal size of possible extension queue 652. Compared 54567 event pairs, 20 based on Foata normal form. 16/3609 useless extension candidates. Maximal degree in co-relation 33414. Up to 692 conditions per place. [2021-03-26 03:54:44,863 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 311 selfloop transitions, 311 changer transitions 3/639 dead transitions. [2021-03-26 03:54:44,864 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 667 places, 639 transitions, 35181 flow [2021-03-26 03:54:44,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:54:44,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:54:44,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:54:44,873 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:54:44,873 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:54:44,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:54:44,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:44,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:54:44,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:44,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:44,874 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:44,874 INFO L185 Difference]: Start difference. First operand has 660 places, 627 transitions, 33589 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:54:44,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 667 places, 639 transitions, 35181 flow [2021-03-26 03:54:46,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 639 transitions, 34569 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 03:54:46,483 INFO L241 Difference]: Finished difference. Result has 663 places, 624 transitions, 33481 flow [2021-03-26 03:54:46,483 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32985, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=627, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33481, PETRI_PLACES=663, PETRI_TRANSITIONS=624} [2021-03-26 03:54:46,483 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 625 predicate places. [2021-03-26 03:54:46,483 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:46,483 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 663 places, 624 transitions, 33481 flow [2021-03-26 03:54:46,483 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 663 places, 624 transitions, 33481 flow [2021-03-26 03:54:46,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 661 places, 624 transitions, 33481 flow [2021-03-26 03:54:47,348 INFO L129 PetriNetUnfolder]: 267/3591 cut-off events. [2021-03-26 03:54:47,348 INFO L130 PetriNetUnfolder]: For 203709/203877 co-relation queries the response was YES. [2021-03-26 03:54:47,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31566 conditions, 3591 events. 267/3591 cut-off events. For 203709/203877 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 54148 event pairs, 0 based on Foata normal form. 4/3537 useless extension candidates. Maximal degree in co-relation 31388. Up to 534 conditions per place. [2021-03-26 03:54:47,425 INFO L142 LiptonReduction]: Number of co-enabled transitions 3998 [2021-03-26 03:54:47,480 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:47,480 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:47,480 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 997 [2021-03-26 03:54:47,480 INFO L480 AbstractCegarLoop]: Abstraction has has 661 places, 624 transitions, 33481 flow [2021-03-26 03:54:47,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:47,480 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:47,481 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:47,481 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2021-03-26 03:54:47,481 INFO L428 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:47,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:47,481 INFO L82 PathProgramCache]: Analyzing trace with hash -2063953880, now seen corresponding path program 174 times [2021-03-26 03:54:47,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:47,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027296413] [2021-03-26 03:54:47,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:47,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:47,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:47,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:47,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:47,491 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:47,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:47,504 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:54:47,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:54:47,529 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:54:47,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:54:47,543 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:54:47,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:54:47,562 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:54:47,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:54:47,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:47,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027296413] [2021-03-26 03:54:47,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:47,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:54:47,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698077140] [2021-03-26 03:54:47,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:54:47,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:47,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:54:47,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:54:47,581 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:54:47,581 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 661 places, 624 transitions, 33481 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:47,581 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:47,581 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:54:47,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:49,027 INFO L129 PetriNetUnfolder]: 290/3637 cut-off events. [2021-03-26 03:54:49,027 INFO L130 PetriNetUnfolder]: For 208570/208762 co-relation queries the response was YES. [2021-03-26 03:54:49,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33523 conditions, 3637 events. 290/3637 cut-off events. For 208570/208762 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 54345 event pairs, 20 based on Foata normal form. 18/3600 useless extension candidates. Maximal degree in co-relation 33344. Up to 692 conditions per place. [2021-03-26 03:54:49,081 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 313 selfloop transitions, 309 changer transitions 0/636 dead transitions. [2021-03-26 03:54:49,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 668 places, 636 transitions, 35067 flow [2021-03-26 03:54:49,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:54:49,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:54:49,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:54:49,082 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:54:49,082 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:54:49,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:54:49,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:49,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:54:49,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:49,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:49,083 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:49,083 INFO L185 Difference]: Start difference. First operand has 661 places, 624 transitions, 33481 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:54:49,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 668 places, 636 transitions, 35067 flow [2021-03-26 03:54:50,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 636 transitions, 34434 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-26 03:54:50,678 INFO L241 Difference]: Finished difference. Result has 664 places, 628 transitions, 33738 flow [2021-03-26 03:54:50,678 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32858, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=624, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=305, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33738, PETRI_PLACES=664, PETRI_TRANSITIONS=628} [2021-03-26 03:54:50,678 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 626 predicate places. [2021-03-26 03:54:50,678 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:50,678 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 664 places, 628 transitions, 33738 flow [2021-03-26 03:54:50,679 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 664 places, 628 transitions, 33738 flow [2021-03-26 03:54:50,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 664 places, 628 transitions, 33738 flow [2021-03-26 03:54:51,569 INFO L129 PetriNetUnfolder]: 267/3590 cut-off events. [2021-03-26 03:54:51,569 INFO L130 PetriNetUnfolder]: For 205142/205334 co-relation queries the response was YES. [2021-03-26 03:54:51,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31604 conditions, 3590 events. 267/3590 cut-off events. For 205142/205334 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 54060 event pairs, 0 based on Foata normal form. 4/3534 useless extension candidates. Maximal degree in co-relation 31426. Up to 534 conditions per place. [2021-03-26 03:54:51,647 INFO L142 LiptonReduction]: Number of co-enabled transitions 4010 [2021-03-26 03:54:51,702 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:51,702 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:51,702 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1024 [2021-03-26 03:54:51,702 INFO L480 AbstractCegarLoop]: Abstraction has has 664 places, 628 transitions, 33738 flow [2021-03-26 03:54:51,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:51,702 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:51,702 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:51,702 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2021-03-26 03:54:51,702 INFO L428 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:51,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:51,703 INFO L82 PathProgramCache]: Analyzing trace with hash 728479540, now seen corresponding path program 175 times [2021-03-26 03:54:51,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:51,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358003468] [2021-03-26 03:54:51,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:51,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:51,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:51,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:51,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:51,714 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:51,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:51,726 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:54:51,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:54:51,744 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:54:51,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:54:51,759 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:54:51,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:54:51,777 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:54:51,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:54:51,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:51,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358003468] [2021-03-26 03:54:51,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:51,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:54:51,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550755035] [2021-03-26 03:54:51,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:54:51,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:51,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:54:51,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:54:51,796 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:54:51,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 664 places, 628 transitions, 33738 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:51,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:51,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:54:51,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:53,250 INFO L129 PetriNetUnfolder]: 290/3636 cut-off events. [2021-03-26 03:54:53,250 INFO L130 PetriNetUnfolder]: For 209734/209926 co-relation queries the response was YES. [2021-03-26 03:54:53,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33560 conditions, 3636 events. 290/3636 cut-off events. For 209734/209926 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 54362 event pairs, 20 based on Foata normal form. 18/3599 useless extension candidates. Maximal degree in co-relation 33381. Up to 692 conditions per place. [2021-03-26 03:54:53,303 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 313 selfloop transitions, 303 changer transitions 6/636 dead transitions. [2021-03-26 03:54:53,303 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 636 transitions, 35118 flow [2021-03-26 03:54:53,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:54:53,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:54:53,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:54:53,304 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:54:53,304 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:54:53,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:54:53,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:53,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:54:53,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:53,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:53,305 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:53,306 INFO L185 Difference]: Start difference. First operand has 664 places, 628 transitions, 33738 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:54:53,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 636 transitions, 35118 flow [2021-03-26 03:54:54,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 636 transitions, 34517 flow, removed 17 selfloop flow, removed 4 redundant places. [2021-03-26 03:54:54,906 INFO L241 Difference]: Finished difference. Result has 668 places, 622 transitions, 33431 flow [2021-03-26 03:54:54,906 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33137, PETRI_DIFFERENCE_MINUEND_PLACES=660, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=628, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=303, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33431, PETRI_PLACES=668, PETRI_TRANSITIONS=622} [2021-03-26 03:54:54,906 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 630 predicate places. [2021-03-26 03:54:54,906 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:54,907 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 668 places, 622 transitions, 33431 flow [2021-03-26 03:54:54,907 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 668 places, 622 transitions, 33431 flow [2021-03-26 03:54:54,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 664 places, 622 transitions, 33431 flow [2021-03-26 03:54:55,680 INFO L129 PetriNetUnfolder]: 266/3573 cut-off events. [2021-03-26 03:54:55,681 INFO L130 PetriNetUnfolder]: For 205571/205776 co-relation queries the response was YES. [2021-03-26 03:54:55,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31800 conditions, 3573 events. 266/3573 cut-off events. For 205571/205776 co-relation queries the response was YES. Maximal size of possible extension queue 648. Compared 53830 event pairs, 0 based on Foata normal form. 3/3517 useless extension candidates. Maximal degree in co-relation 31621. Up to 532 conditions per place. [2021-03-26 03:54:55,865 INFO L142 LiptonReduction]: Number of co-enabled transitions 3956 [2021-03-26 03:54:55,919 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:55,919 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:55,919 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1013 [2021-03-26 03:54:55,920 INFO L480 AbstractCegarLoop]: Abstraction has has 664 places, 622 transitions, 33431 flow [2021-03-26 03:54:55,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:55,920 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:55,920 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:55,920 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2021-03-26 03:54:55,920 INFO L428 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:55,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:55,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1832864786, now seen corresponding path program 176 times [2021-03-26 03:54:55,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:55,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949111779] [2021-03-26 03:54:55,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:55,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:55,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:55,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:55,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:55,930 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:55,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:55,943 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:54:55,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:54:55,961 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:54:55,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:54:55,975 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:54:55,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:54:55,993 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:54:55,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:54:56,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:56,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949111779] [2021-03-26 03:54:56,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:56,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:54:56,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875907740] [2021-03-26 03:54:56,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:54:56,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:56,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:54:56,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:54:56,012 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:54:56,012 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 664 places, 622 transitions, 33431 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:56,012 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:56,012 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:54:56,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:54:57,470 INFO L129 PetriNetUnfolder]: 289/3619 cut-off events. [2021-03-26 03:54:57,470 INFO L130 PetriNetUnfolder]: For 210675/210857 co-relation queries the response was YES. [2021-03-26 03:54:57,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33748 conditions, 3619 events. 289/3619 cut-off events. For 210675/210857 co-relation queries the response was YES. Maximal size of possible extension queue 647. Compared 53992 event pairs, 20 based on Foata normal form. 16/3581 useless extension candidates. Maximal degree in co-relation 33568. Up to 692 conditions per place. [2021-03-26 03:54:57,524 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 337 selfloop transitions, 294 changer transitions 0/645 dead transitions. [2021-03-26 03:54:57,524 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 645 transitions, 35603 flow [2021-03-26 03:54:57,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:54:57,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:54:57,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:54:57,525 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:54:57,525 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:54:57,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:54:57,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:54:57,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:54:57,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:57,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:57,526 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:57,526 INFO L185 Difference]: Start difference. First operand has 664 places, 622 transitions, 33431 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:54:57,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 645 transitions, 35603 flow [2021-03-26 03:54:59,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 664 places, 645 transitions, 34955 flow, removed 16 selfloop flow, removed 7 redundant places. [2021-03-26 03:54:59,138 INFO L241 Difference]: Finished difference. Result has 667 places, 634 transitions, 34137 flow [2021-03-26 03:54:59,139 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32811, PETRI_DIFFERENCE_MINUEND_PLACES=657, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=622, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=282, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=34137, PETRI_PLACES=667, PETRI_TRANSITIONS=634} [2021-03-26 03:54:59,139 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 629 predicate places. [2021-03-26 03:54:59,139 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:59,139 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 667 places, 634 transitions, 34137 flow [2021-03-26 03:54:59,139 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 667 places, 634 transitions, 34137 flow [2021-03-26 03:54:59,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 667 places, 634 transitions, 34137 flow [2021-03-26 03:54:59,932 INFO L129 PetriNetUnfolder]: 266/3572 cut-off events. [2021-03-26 03:54:59,933 INFO L130 PetriNetUnfolder]: For 204837/205005 co-relation queries the response was YES. [2021-03-26 03:55:00,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31486 conditions, 3572 events. 266/3572 cut-off events. For 204837/205005 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 53725 event pairs, 0 based on Foata normal form. 4/3520 useless extension candidates. Maximal degree in co-relation 31307. Up to 532 conditions per place. [2021-03-26 03:55:00,124 INFO L142 LiptonReduction]: Number of co-enabled transitions 4008 [2021-03-26 03:55:00,182 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:55:00,182 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:55:00,182 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1043 [2021-03-26 03:55:00,182 INFO L480 AbstractCegarLoop]: Abstraction has has 667 places, 634 transitions, 34137 flow [2021-03-26 03:55:00,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:00,182 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:55:00,182 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:55:00,182 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2021-03-26 03:55:00,182 INFO L428 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:55:00,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:55:00,183 INFO L82 PathProgramCache]: Analyzing trace with hash -2046671878, now seen corresponding path program 177 times [2021-03-26 03:55:00,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:55:00,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770491956] [2021-03-26 03:55:00,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:55:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:55:00,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:00,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:55:00,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:00,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:55:00,193 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:55:00,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:55:00,206 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:55:00,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:55:00,225 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:55:00,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:55:00,250 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:55:00,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:55:00,269 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:55:00,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:55:00,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:55:00,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770491956] [2021-03-26 03:55:00,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:55:00,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:55:00,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572004724] [2021-03-26 03:55:00,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:55:00,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:55:00,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:55:00,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:55:00,289 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:55:00,290 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 667 places, 634 transitions, 34137 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:00,290 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:55:00,290 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:55:00,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:55:01,790 INFO L129 PetriNetUnfolder]: 289/3616 cut-off events. [2021-03-26 03:55:01,790 INFO L130 PetriNetUnfolder]: For 209718/209896 co-relation queries the response was YES. [2021-03-26 03:55:01,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33432 conditions, 3616 events. 289/3616 cut-off events. For 209718/209896 co-relation queries the response was YES. Maximal size of possible extension queue 647. Compared 53967 event pairs, 21 based on Foata normal form. 14/3575 useless extension candidates. Maximal degree in co-relation 33252. Up to 692 conditions per place. [2021-03-26 03:55:01,846 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 336 selfloop transitions, 293 changer transitions 2/645 dead transitions. [2021-03-26 03:55:01,846 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 674 places, 645 transitions, 35625 flow [2021-03-26 03:55:01,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:55:01,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:55:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:55:01,847 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:55:01,847 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:55:01,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:55:01,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:55:01,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:55:01,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:01,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:01,848 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:01,848 INFO L185 Difference]: Start difference. First operand has 667 places, 634 transitions, 34137 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:55:01,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 674 places, 645 transitions, 35625 flow [2021-03-26 03:55:03,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 670 places, 645 transitions, 34997 flow, removed 20 selfloop flow, removed 4 redundant places. [2021-03-26 03:55:03,561 INFO L241 Difference]: Finished difference. Result has 672 places, 635 transitions, 34122 flow [2021-03-26 03:55:03,562 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33512, PETRI_DIFFERENCE_MINUEND_PLACES=663, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=634, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=290, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=34122, PETRI_PLACES=672, PETRI_TRANSITIONS=635} [2021-03-26 03:55:03,562 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 634 predicate places. [2021-03-26 03:55:03,562 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:03,562 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 672 places, 635 transitions, 34122 flow [2021-03-26 03:55:03,562 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 672 places, 635 transitions, 34122 flow [2021-03-26 03:55:03,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 671 places, 635 transitions, 34122 flow [2021-03-26 03:55:04,491 INFO L129 PetriNetUnfolder]: 265/3562 cut-off events. [2021-03-26 03:55:04,491 INFO L130 PetriNetUnfolder]: For 206864/207032 co-relation queries the response was YES. [2021-03-26 03:55:04,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31764 conditions, 3562 events. 265/3562 cut-off events. For 206864/207032 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 53616 event pairs, 0 based on Foata normal form. 4/3509 useless extension candidates. Maximal degree in co-relation 31583. Up to 530 conditions per place. [2021-03-26 03:55:04,569 INFO L142 LiptonReduction]: Number of co-enabled transitions 4002 [2021-03-26 03:55:04,625 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:55:04,625 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:55:04,625 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1063 [2021-03-26 03:55:04,626 INFO L480 AbstractCegarLoop]: Abstraction has has 671 places, 635 transitions, 34122 flow [2021-03-26 03:55:04,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:04,626 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:55:04,626 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:55:04,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2021-03-26 03:55:04,626 INFO L428 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:55:04,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:55:04,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1088162288, now seen corresponding path program 178 times [2021-03-26 03:55:04,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:55:04,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496812912] [2021-03-26 03:55:04,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:55:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:55:04,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:04,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:55:04,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:04,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:55:04,636 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:55:04,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:55:04,649 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:55:04,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:55:04,668 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:55:04,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:55:04,682 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:55:04,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:55:04,701 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:55:04,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:55:04,719 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 03:55:04,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496812912] [2021-03-26 03:55:04,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:55:04,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:55:04,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825255428] [2021-03-26 03:55:04,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:55:04,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:55:04,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:55:04,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:55:04,720 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:55:04,720 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 671 places, 635 transitions, 34122 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:04,720 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:55:04,720 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:55:04,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:55:06,265 INFO L129 PetriNetUnfolder]: 288/3608 cut-off events. [2021-03-26 03:55:06,265 INFO L130 PetriNetUnfolder]: For 211935/212113 co-relation queries the response was YES. [2021-03-26 03:55:06,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33708 conditions, 3608 events. 288/3608 cut-off events. For 211935/212113 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 53860 event pairs, 20 based on Foata normal form. 14/3568 useless extension candidates. Maximal degree in co-relation 33526. Up to 692 conditions per place. [2021-03-26 03:55:06,322 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 337 selfloop transitions, 287 changer transitions 5/643 dead transitions. [2021-03-26 03:55:06,322 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 678 places, 643 transitions, 35524 flow [2021-03-26 03:55:06,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:55:06,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:55:06,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:55:06,323 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:55:06,323 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:55:06,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:55:06,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:55:06,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:55:06,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:06,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:06,324 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:06,324 INFO L185 Difference]: Start difference. First operand has 671 places, 635 transitions, 34122 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:55:06,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 678 places, 643 transitions, 35524 flow [2021-03-26 03:55:08,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 643 transitions, 34980 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 03:55:08,083 INFO L241 Difference]: Finished difference. Result has 675 places, 630 transitions, 33863 flow [2021-03-26 03:55:08,084 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33586, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=635, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=287, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33863, PETRI_PLACES=675, PETRI_TRANSITIONS=630} [2021-03-26 03:55:08,084 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 637 predicate places. [2021-03-26 03:55:08,084 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:08,084 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 630 transitions, 33863 flow [2021-03-26 03:55:08,084 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 630 transitions, 33863 flow [2021-03-26 03:55:08,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 673 places, 630 transitions, 33863 flow [2021-03-26 03:55:08,996 INFO L129 PetriNetUnfolder]: 264/3546 cut-off events. [2021-03-26 03:55:08,996 INFO L130 PetriNetUnfolder]: For 205978/206170 co-relation queries the response was YES. [2021-03-26 03:55:09,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31639 conditions, 3546 events. 264/3546 cut-off events. For 205978/206170 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 53272 event pairs, 0 based on Foata normal form. 4/3492 useless extension candidates. Maximal degree in co-relation 31458. Up to 528 conditions per place. [2021-03-26 03:55:09,074 INFO L142 LiptonReduction]: Number of co-enabled transitions 3958 [2021-03-26 03:55:09,131 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:55:09,131 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:55:09,131 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1047 [2021-03-26 03:55:09,131 INFO L480 AbstractCegarLoop]: Abstraction has has 673 places, 630 transitions, 33863 flow [2021-03-26 03:55:09,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:09,131 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:55:09,131 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:55:09,132 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2021-03-26 03:55:09,132 INFO L428 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:55:09,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:55:09,132 INFO L82 PathProgramCache]: Analyzing trace with hash -2133719628, now seen corresponding path program 179 times [2021-03-26 03:55:09,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:55:09,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853638522] [2021-03-26 03:55:09,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:55:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:55:09,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:09,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:55:09,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:09,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:55:09,142 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:55:09,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:55:09,155 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:55:09,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:55:09,174 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:55:09,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:55:09,195 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:55:09,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:55:09,215 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:55:09,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:55:09,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:55:09,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853638522] [2021-03-26 03:55:09,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:55:09,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:55:09,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046469214] [2021-03-26 03:55:09,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:55:09,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:55:09,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:55:09,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:55:09,234 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:55:09,234 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 673 places, 630 transitions, 33863 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:09,234 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:55:09,234 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:55:09,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:55:10,744 INFO L129 PetriNetUnfolder]: 287/3592 cut-off events. [2021-03-26 03:55:10,745 INFO L130 PetriNetUnfolder]: For 210931/211113 co-relation queries the response was YES. [2021-03-26 03:55:10,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33577 conditions, 3592 events. 287/3592 cut-off events. For 210931/211113 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 53572 event pairs, 20 based on Foata normal form. 16/3555 useless extension candidates. Maximal degree in co-relation 33395. Up to 692 conditions per place. [2021-03-26 03:55:10,800 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 335 selfloop transitions, 286 changer transitions 3/638 dead transitions. [2021-03-26 03:55:10,800 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 638 transitions, 35255 flow [2021-03-26 03:55:10,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:55:10,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:55:10,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 03:55:10,801 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 03:55:10,801 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 03:55:10,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 03:55:10,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:55:10,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 03:55:10,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:10,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:10,802 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:10,802 INFO L185 Difference]: Start difference. First operand has 673 places, 630 transitions, 33863 flow. Second operand 8 states and 466 transitions. [2021-03-26 03:55:10,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 680 places, 638 transitions, 35255 flow [2021-03-26 03:55:12,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 638 transitions, 34669 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-26 03:55:12,521 INFO L241 Difference]: Finished difference. Result has 675 places, 627 transitions, 33713 flow [2021-03-26 03:55:12,521 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33293, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=630, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=286, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33713, PETRI_PLACES=675, PETRI_TRANSITIONS=627} [2021-03-26 03:55:12,521 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 637 predicate places. [2021-03-26 03:55:12,521 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:12,522 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 627 transitions, 33713 flow [2021-03-26 03:55:12,522 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 627 transitions, 33713 flow [2021-03-26 03:55:12,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 673 places, 627 transitions, 33713 flow [2021-03-26 03:55:13,399 INFO L129 PetriNetUnfolder]: 263/3535 cut-off events. [2021-03-26 03:55:13,399 INFO L130 PetriNetUnfolder]: For 202849/203049 co-relation queries the response was YES. [2021-03-26 03:55:13,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31198 conditions, 3535 events. 263/3535 cut-off events. For 202849/203049 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 53084 event pairs, 0 based on Foata normal form. 3/3480 useless extension candidates. Maximal degree in co-relation 31018. Up to 526 conditions per place. [2021-03-26 03:55:13,474 INFO L142 LiptonReduction]: Number of co-enabled transitions 3942 [2021-03-26 03:55:13,529 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:55:13,529 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:55:13,529 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1008 [2021-03-26 03:55:13,530 INFO L480 AbstractCegarLoop]: Abstraction has has 673 places, 627 transitions, 33713 flow [2021-03-26 03:55:13,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:13,530 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:55:13,530 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:55:13,530 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2021-03-26 03:55:13,530 INFO L428 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:55:13,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:55:13,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1267481168, now seen corresponding path program 180 times [2021-03-26 03:55:13,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:55:13,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777277610] [2021-03-26 03:55:13,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:55:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:55:13,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:13,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:55:13,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:13,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:55:13,543 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:55:13,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:55:13,556 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:55:13,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:55:13,574 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:55:13,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:55:13,599 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:55:13,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:55:13,618 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:55:13,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:55:13,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:55:13,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777277610] [2021-03-26 03:55:13,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:55:13,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:55:13,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735505074] [2021-03-26 03:55:13,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:55:13,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:55:13,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:55:13,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:55:13,637 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:55:13,637 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 673 places, 627 transitions, 33713 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:13,637 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:55:13,637 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:55:13,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:55:15,102 INFO L129 PetriNetUnfolder]: 286/3581 cut-off events. [2021-03-26 03:55:15,102 INFO L130 PetriNetUnfolder]: For 207238/207384 co-relation queries the response was YES. [2021-03-26 03:55:15,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33133 conditions, 3581 events. 286/3581 cut-off events. For 207238/207384 co-relation queries the response was YES. Maximal size of possible extension queue 640. Compared 53328 event pairs, 20 based on Foata normal form. 16/3544 useless extension candidates. Maximal degree in co-relation 32952. Up to 692 conditions per place. [2021-03-26 03:55:15,156 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 330 selfloop transitions, 286 changer transitions 4/634 dead transitions. [2021-03-26 03:55:15,156 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 634 transitions, 35075 flow [2021-03-26 03:55:15,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:55:15,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:55:15,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 03:55:15,157 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 03:55:15,157 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 03:55:15,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 03:55:15,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:55:15,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 03:55:15,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:15,158 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:15,158 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:15,158 INFO L185 Difference]: Start difference. First operand has 673 places, 627 transitions, 33713 flow. Second operand 8 states and 466 transitions. [2021-03-26 03:55:15,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 680 places, 634 transitions, 35075 flow [2021-03-26 03:55:16,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 634 transitions, 34619 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 03:55:16,810 INFO L241 Difference]: Finished difference. Result has 675 places, 623 transitions, 33664 flow [2021-03-26 03:55:16,810 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33263, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=627, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=286, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33664, PETRI_PLACES=675, PETRI_TRANSITIONS=623} [2021-03-26 03:55:16,810 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 637 predicate places. [2021-03-26 03:55:16,811 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:16,811 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 623 transitions, 33664 flow [2021-03-26 03:55:16,811 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 623 transitions, 33664 flow [2021-03-26 03:55:16,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 673 places, 623 transitions, 33664 flow [2021-03-26 03:55:17,585 INFO L129 PetriNetUnfolder]: 262/3522 cut-off events. [2021-03-26 03:55:17,585 INFO L130 PetriNetUnfolder]: For 201853/202005 co-relation queries the response was YES. [2021-03-26 03:55:17,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31205 conditions, 3522 events. 262/3522 cut-off events. For 201853/202005 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 52893 event pairs, 0 based on Foata normal form. 4/3471 useless extension candidates. Maximal degree in co-relation 31027. Up to 524 conditions per place. [2021-03-26 03:55:17,772 INFO L142 LiptonReduction]: Number of co-enabled transitions 3928 [2021-03-26 03:55:17,827 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:55:17,827 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:55:17,827 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1016 [2021-03-26 03:55:17,827 INFO L480 AbstractCegarLoop]: Abstraction has has 673 places, 623 transitions, 33664 flow [2021-03-26 03:55:17,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:17,828 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:55:17,828 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:55:17,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2021-03-26 03:55:17,828 INFO L428 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:55:17,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:55:17,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1603833174, now seen corresponding path program 181 times [2021-03-26 03:55:17,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:55:17,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689048430] [2021-03-26 03:55:17,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:55:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:55:17,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:17,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:55:17,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:17,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:55:17,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:17,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:55:17,845 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:55:17,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:55:17,863 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:55:17,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:55:17,884 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:55:17,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:55:17,903 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:55:17,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:55:17,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:55:17,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689048430] [2021-03-26 03:55:17,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:55:17,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:55:17,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890254052] [2021-03-26 03:55:17,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:55:17,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:55:17,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:55:17,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:55:17,923 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:55:17,923 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 673 places, 623 transitions, 33664 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:17,923 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:55:17,923 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:55:17,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:55:19,499 INFO L129 PetriNetUnfolder]: 303/3838 cut-off events. [2021-03-26 03:55:19,499 INFO L130 PetriNetUnfolder]: For 223128/223229 co-relation queries the response was YES. [2021-03-26 03:55:19,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35769 conditions, 3838 events. 303/3838 cut-off events. For 223128/223229 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 58027 event pairs, 10 based on Foata normal form. 3/3782 useless extension candidates. Maximal degree in co-relation 35590. Up to 685 conditions per place. [2021-03-26 03:55:19,559 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 429 selfloop transitions, 304 changer transitions 2/749 dead transitions. [2021-03-26 03:55:19,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 749 transitions, 41405 flow [2021-03-26 03:55:19,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:55:19,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:55:19,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:55:19,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:55:19,560 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:55:19,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:55:19,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:55:19,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:55:19,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:19,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:19,561 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:19,561 INFO L185 Difference]: Start difference. First operand has 673 places, 623 transitions, 33664 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:55:19,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 680 places, 749 transitions, 41405 flow [2021-03-26 03:55:21,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 675 places, 749 transitions, 40718 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-26 03:55:21,487 INFO L241 Difference]: Finished difference. Result has 681 places, 664 transitions, 36377 flow [2021-03-26 03:55:21,487 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33089, PETRI_DIFFERENCE_MINUEND_PLACES=668, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=623, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=263, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=36377, PETRI_PLACES=681, PETRI_TRANSITIONS=664} [2021-03-26 03:55:21,488 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 643 predicate places. [2021-03-26 03:55:21,488 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:21,488 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 681 places, 664 transitions, 36377 flow [2021-03-26 03:55:21,488 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 681 places, 664 transitions, 36377 flow [2021-03-26 03:55:21,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 680 places, 664 transitions, 36377 flow [2021-03-26 03:55:22,476 INFO L129 PetriNetUnfolder]: 280/3786 cut-off events. [2021-03-26 03:55:22,476 INFO L130 PetriNetUnfolder]: For 226729/226877 co-relation queries the response was YES. [2021-03-26 03:55:22,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34021 conditions, 3786 events. 280/3786 cut-off events. For 226729/226877 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 57659 event pairs, 0 based on Foata normal form. 4/3734 useless extension candidates. Maximal degree in co-relation 33838. Up to 560 conditions per place. [2021-03-26 03:55:22,563 INFO L142 LiptonReduction]: Number of co-enabled transitions 4204 [2021-03-26 03:55:22,624 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:55:22,624 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:55:22,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1136 [2021-03-26 03:55:22,624 INFO L480 AbstractCegarLoop]: Abstraction has has 680 places, 664 transitions, 36377 flow [2021-03-26 03:55:22,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:22,624 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:55:22,625 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:55:22,625 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2021-03-26 03:55:22,625 INFO L428 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:55:22,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:55:22,625 INFO L82 PathProgramCache]: Analyzing trace with hash -2009725322, now seen corresponding path program 182 times [2021-03-26 03:55:22,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:55:22,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988135875] [2021-03-26 03:55:22,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:55:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:55:22,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:22,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:55:22,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:22,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:55:22,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:22,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:55:22,656 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:55:22,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:55:22,676 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:55:22,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:55:22,690 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:55:22,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:55:22,709 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:55:22,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:55:22,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:55:22,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988135875] [2021-03-26 03:55:22,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:55:22,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:55:22,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165289523] [2021-03-26 03:55:22,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:55:22,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:55:22,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:55:22,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:55:22,728 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:55:22,728 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 680 places, 664 transitions, 36377 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:22,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:55:22,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:55:22,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:55:24,451 INFO L129 PetriNetUnfolder]: 308/3928 cut-off events. [2021-03-26 03:55:24,451 INFO L130 PetriNetUnfolder]: For 236841/236947 co-relation queries the response was YES. [2021-03-26 03:55:24,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36844 conditions, 3928 events. 308/3928 cut-off events. For 236841/236947 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 59687 event pairs, 13 based on Foata normal form. 10/3882 useless extension candidates. Maximal degree in co-relation 36660. Up to 681 conditions per place. [2021-03-26 03:55:24,513 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 397 selfloop transitions, 316 changer transitions 2/729 dead transitions. [2021-03-26 03:55:24,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 687 places, 729 transitions, 40734 flow [2021-03-26 03:55:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:55:24,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:55:24,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:55:24,515 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:55:24,515 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:55:24,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:55:24,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:55:24,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:55:24,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:24,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:24,516 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:24,517 INFO L185 Difference]: Start difference. First operand has 680 places, 664 transitions, 36377 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:55:24,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 687 places, 729 transitions, 40734 flow [2021-03-26 03:55:26,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 684 places, 729 transitions, 40467 flow, removed 74 selfloop flow, removed 3 redundant places. [2021-03-26 03:55:26,498 INFO L241 Difference]: Finished difference. Result has 689 places, 678 transitions, 37692 flow [2021-03-26 03:55:26,499 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=36131, PETRI_DIFFERENCE_MINUEND_PLACES=677, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=664, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=302, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=37692, PETRI_PLACES=689, PETRI_TRANSITIONS=678} [2021-03-26 03:55:26,499 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 651 predicate places. [2021-03-26 03:55:26,499 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:26,499 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 689 places, 678 transitions, 37692 flow [2021-03-26 03:55:26,499 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 689 places, 678 transitions, 37692 flow [2021-03-26 03:55:26,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 688 places, 678 transitions, 37692 flow [2021-03-26 03:55:27,484 INFO L129 PetriNetUnfolder]: 288/3882 cut-off events. [2021-03-26 03:55:27,484 INFO L130 PetriNetUnfolder]: For 239790/239911 co-relation queries the response was YES. [2021-03-26 03:55:27,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35252 conditions, 3882 events. 288/3882 cut-off events. For 239790/239911 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 59316 event pairs, 0 based on Foata normal form. 4/3828 useless extension candidates. Maximal degree in co-relation 35066. Up to 576 conditions per place. [2021-03-26 03:55:27,583 INFO L142 LiptonReduction]: Number of co-enabled transitions 4298 [2021-03-26 03:55:27,648 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:55:27,648 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:55:27,648 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1149 [2021-03-26 03:55:27,649 INFO L480 AbstractCegarLoop]: Abstraction has has 688 places, 678 transitions, 37692 flow [2021-03-26 03:55:27,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:27,649 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:55:27,649 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:55:27,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2021-03-26 03:55:27,649 INFO L428 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:55:27,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:55:27,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1139899074, now seen corresponding path program 183 times [2021-03-26 03:55:27,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:55:27,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271228916] [2021-03-26 03:55:27,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:55:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:55:27,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:27,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:55:27,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:27,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:55:27,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:27,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:55:27,665 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:55:27,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:55:27,675 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:55:27,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:55:27,689 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:55:27,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:55:27,708 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:55:27,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:55:27,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:55:27,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271228916] [2021-03-26 03:55:27,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:55:27,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:55:27,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237880465] [2021-03-26 03:55:27,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:55:27,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:55:27,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:55:27,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:55:27,726 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:55:27,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 688 places, 678 transitions, 37692 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:27,727 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:55:27,727 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:55:27,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:55:29,473 INFO L129 PetriNetUnfolder]: 308/3947 cut-off events. [2021-03-26 03:55:29,473 INFO L130 PetriNetUnfolder]: For 245900/246003 co-relation queries the response was YES. [2021-03-26 03:55:29,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37428 conditions, 3947 events. 308/3947 cut-off events. For 245900/246003 co-relation queries the response was YES. Maximal size of possible extension queue 706. Compared 60016 event pairs, 17 based on Foata normal form. 7/3897 useless extension candidates. Maximal degree in co-relation 37241. Up to 732 conditions per place. [2021-03-26 03:55:29,539 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 438 selfloop transitions, 306 changer transitions 2/760 dead transitions. [2021-03-26 03:55:29,539 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 695 places, 760 transitions, 43079 flow [2021-03-26 03:55:29,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:55:29,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:55:29,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:55:29,540 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:55:29,540 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:55:29,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:55:29,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:55:29,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:55:29,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:29,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:29,540 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:29,540 INFO L185 Difference]: Start difference. First operand has 688 places, 678 transitions, 37692 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:55:29,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 695 places, 760 transitions, 43079 flow [2021-03-26 03:55:31,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 691 places, 760 transitions, 42583 flow, removed 35 selfloop flow, removed 4 redundant places. [2021-03-26 03:55:31,538 INFO L241 Difference]: Finished difference. Result has 697 places, 704 transitions, 39599 flow [2021-03-26 03:55:31,538 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=37220, PETRI_DIFFERENCE_MINUEND_PLACES=684, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=678, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=280, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=39599, PETRI_PLACES=697, PETRI_TRANSITIONS=704} [2021-03-26 03:55:31,538 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 659 predicate places. [2021-03-26 03:55:31,538 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:31,539 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 697 places, 704 transitions, 39599 flow [2021-03-26 03:55:31,539 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 697 places, 704 transitions, 39599 flow [2021-03-26 03:55:31,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 696 places, 704 transitions, 39599 flow [2021-03-26 03:55:32,480 INFO L129 PetriNetUnfolder]: 290/3905 cut-off events. [2021-03-26 03:55:32,480 INFO L130 PetriNetUnfolder]: For 250971/251089 co-relation queries the response was YES. [2021-03-26 03:55:32,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35939 conditions, 3905 events. 290/3905 cut-off events. For 250971/251089 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 59777 event pairs, 0 based on Foata normal form. 5/3855 useless extension candidates. Maximal degree in co-relation 35749. Up to 580 conditions per place. [2021-03-26 03:55:32,582 INFO L142 LiptonReduction]: Number of co-enabled transitions 4468 [2021-03-26 03:55:32,651 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:55:32,651 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:55:32,651 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1113 [2021-03-26 03:55:32,651 INFO L480 AbstractCegarLoop]: Abstraction has has 696 places, 704 transitions, 39599 flow [2021-03-26 03:55:32,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:32,651 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:55:32,651 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:55:32,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2021-03-26 03:55:32,652 INFO L428 AbstractCegarLoop]: === Iteration 188 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:55:32,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:55:32,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1482690900, now seen corresponding path program 184 times [2021-03-26 03:55:32,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:55:32,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338173365] [2021-03-26 03:55:32,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:55:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:55:32,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:32,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:55:32,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:32,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:55:32,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:32,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:55:32,668 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:55:32,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:55:32,678 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:55:32,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:55:32,692 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:55:32,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:55:32,710 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:55:32,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:55:32,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:55:32,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338173365] [2021-03-26 03:55:32,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:55:32,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:55:32,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658128921] [2021-03-26 03:55:32,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:55:32,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:55:32,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:55:32,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:55:32,729 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:55:32,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 696 places, 704 transitions, 39599 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:32,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:55:32,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:55:32,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:55:34,556 INFO L129 PetriNetUnfolder]: 307/3937 cut-off events. [2021-03-26 03:55:34,556 INFO L130 PetriNetUnfolder]: For 255386/255497 co-relation queries the response was YES. [2021-03-26 03:55:34,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37877 conditions, 3937 events. 307/3937 cut-off events. For 255386/255497 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59792 event pairs, 13 based on Foata normal form. 13/3893 useless extension candidates. Maximal degree in co-relation 37686. Up to 681 conditions per place. [2021-03-26 03:55:34,617 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 395 selfloop transitions, 331 changer transitions 0/740 dead transitions. [2021-03-26 03:55:34,617 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 703 places, 740 transitions, 42732 flow [2021-03-26 03:55:34,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:55:34,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:55:34,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:55:34,618 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:55:34,618 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:55:34,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:55:34,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:55:34,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:55:34,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:34,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:34,619 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:34,619 INFO L185 Difference]: Start difference. First operand has 696 places, 704 transitions, 39599 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:55:34,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 703 places, 740 transitions, 42732 flow [2021-03-26 03:55:36,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 699 places, 740 transitions, 42400 flow, removed 59 selfloop flow, removed 4 redundant places. [2021-03-26 03:55:36,797 INFO L241 Difference]: Finished difference. Result has 702 places, 731 transitions, 41636 flow [2021-03-26 03:55:36,797 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=39304, PETRI_DIFFERENCE_MINUEND_PLACES=692, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=304, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=41636, PETRI_PLACES=702, PETRI_TRANSITIONS=731} [2021-03-26 03:55:36,797 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 664 predicate places. [2021-03-26 03:55:36,797 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:36,797 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 702 places, 731 transitions, 41636 flow [2021-03-26 03:55:36,797 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 702 places, 731 transitions, 41636 flow [2021-03-26 03:55:36,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 702 places, 731 transitions, 41636 flow [2021-03-26 03:55:37,776 INFO L129 PetriNetUnfolder]: 290/3904 cut-off events. [2021-03-26 03:55:37,776 INFO L130 PetriNetUnfolder]: For 259595/259720 co-relation queries the response was YES. [2021-03-26 03:55:37,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36365 conditions, 3904 events. 290/3904 cut-off events. For 259595/259720 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 59795 event pairs, 0 based on Foata normal form. 9/3858 useless extension candidates. Maximal degree in co-relation 36174. Up to 580 conditions per place. [2021-03-26 03:55:37,875 INFO L142 LiptonReduction]: Number of co-enabled transitions 4620 [2021-03-26 03:55:37,956 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:55:37,956 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:55:37,956 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1159 [2021-03-26 03:55:37,956 INFO L480 AbstractCegarLoop]: Abstraction has has 702 places, 731 transitions, 41636 flow [2021-03-26 03:55:37,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:37,957 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:55:37,957 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:55:37,957 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-03-26 03:55:37,957 INFO L428 AbstractCegarLoop]: === Iteration 189 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:55:37,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:55:37,957 INFO L82 PathProgramCache]: Analyzing trace with hash 797139098, now seen corresponding path program 185 times [2021-03-26 03:55:37,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:55:37,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884699605] [2021-03-26 03:55:37,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:55:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:55:37,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:37,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:55:37,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:37,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:55:37,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:37,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:55:37,974 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:55:37,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:55:37,992 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:55:37,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:55:38,017 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:55:38,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:55:38,036 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:55:38,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:55:38,054 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 03:55:38,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884699605] [2021-03-26 03:55:38,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:55:38,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:55:38,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124891590] [2021-03-26 03:55:38,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:55:38,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:55:38,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:55:38,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:55:38,055 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:55:38,055 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 731 transitions, 41636 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:38,055 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:55:38,055 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:55:38,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:55:40,062 INFO L129 PetriNetUnfolder]: 307/3936 cut-off events. [2021-03-26 03:55:40,063 INFO L130 PetriNetUnfolder]: For 263701/263812 co-relation queries the response was YES. [2021-03-26 03:55:40,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38302 conditions, 3936 events. 307/3936 cut-off events. For 263701/263812 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59764 event pairs, 17 based on Foata normal form. 11/3889 useless extension candidates. Maximal degree in co-relation 38110. Up to 732 conditions per place. [2021-03-26 03:55:40,118 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 459 selfloop transitions, 319 changer transitions 0/792 dead transitions. [2021-03-26 03:55:40,118 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 709 places, 792 transitions, 46191 flow [2021-03-26 03:55:40,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:55:40,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:55:40,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:55:40,128 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:55:40,128 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:55:40,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:55:40,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:55:40,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:55:40,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:40,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:40,129 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:40,129 INFO L185 Difference]: Start difference. First operand has 702 places, 731 transitions, 41636 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:55:40,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 709 places, 792 transitions, 46191 flow [2021-03-26 03:55:42,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 707 places, 792 transitions, 45690 flow, removed 95 selfloop flow, removed 2 redundant places. [2021-03-26 03:55:42,152 INFO L241 Difference]: Finished difference. Result has 711 places, 746 transitions, 42892 flow [2021-03-26 03:55:42,153 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41191, PETRI_DIFFERENCE_MINUEND_PLACES=700, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=731, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=304, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42892, PETRI_PLACES=711, PETRI_TRANSITIONS=746} [2021-03-26 03:55:42,153 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 673 predicate places. [2021-03-26 03:55:42,153 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:42,153 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 711 places, 746 transitions, 42892 flow [2021-03-26 03:55:42,153 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 711 places, 746 transitions, 42892 flow [2021-03-26 03:55:42,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 711 places, 746 transitions, 42892 flow [2021-03-26 03:55:43,135 INFO L129 PetriNetUnfolder]: 290/3903 cut-off events. [2021-03-26 03:55:43,135 INFO L130 PetriNetUnfolder]: For 266619/266749 co-relation queries the response was YES. [2021-03-26 03:55:43,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36934 conditions, 3903 events. 290/3903 cut-off events. For 266619/266749 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59756 event pairs, 0 based on Foata normal form. 9/3855 useless extension candidates. Maximal degree in co-relation 36739. Up to 580 conditions per place. [2021-03-26 03:55:43,232 INFO L142 LiptonReduction]: Number of co-enabled transitions 4684 [2021-03-26 03:55:43,317 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:55:43,317 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:55:43,317 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1164 [2021-03-26 03:55:43,317 INFO L480 AbstractCegarLoop]: Abstraction has has 711 places, 746 transitions, 42892 flow [2021-03-26 03:55:43,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:43,318 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:55:43,318 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:55:43,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-03-26 03:55:43,318 INFO L428 AbstractCegarLoop]: === Iteration 190 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:55:43,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:55:43,318 INFO L82 PathProgramCache]: Analyzing trace with hash 2093644802, now seen corresponding path program 186 times [2021-03-26 03:55:43,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:55:43,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203936778] [2021-03-26 03:55:43,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:55:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:55:43,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:43,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:55:43,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:43,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:55:43,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:43,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:55:43,334 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:55:43,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:55:43,351 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:55:43,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:55:43,374 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:55:43,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:55:43,392 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:55:43,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:55:43,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:55:43,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203936778] [2021-03-26 03:55:43,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:55:43,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:55:43,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017026594] [2021-03-26 03:55:43,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:55:43,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:55:43,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:55:43,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:55:43,411 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:55:43,411 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 711 places, 746 transitions, 42892 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:43,411 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:55:43,411 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:55:43,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:55:45,327 INFO L129 PetriNetUnfolder]: 307/3935 cut-off events. [2021-03-26 03:55:45,327 INFO L130 PetriNetUnfolder]: For 270753/270865 co-relation queries the response was YES. [2021-03-26 03:55:45,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38871 conditions, 3935 events. 307/3935 cut-off events. For 270753/270865 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59817 event pairs, 13 based on Foata normal form. 13/3891 useless extension candidates. Maximal degree in co-relation 38675. Up to 681 conditions per place. [2021-03-26 03:55:45,392 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 423 selfloop transitions, 330 changer transitions 0/767 dead transitions. [2021-03-26 03:55:45,392 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 718 places, 767 transitions, 45280 flow [2021-03-26 03:55:45,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:55:45,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:55:45,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:55:45,393 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:55:45,393 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:55:45,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:55:45,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:55:45,393 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:55:45,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:45,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:45,394 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:45,394 INFO L185 Difference]: Start difference. First operand has 711 places, 746 transitions, 42892 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:55:45,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 718 places, 767 transitions, 45280 flow [2021-03-26 03:55:47,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 717 places, 767 transitions, 45014 flow, removed 56 selfloop flow, removed 1 redundant places. [2021-03-26 03:55:47,588 INFO L241 Difference]: Finished difference. Result has 719 places, 752 transitions, 43683 flow [2021-03-26 03:55:47,588 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=42626, PETRI_DIFFERENCE_MINUEND_PLACES=710, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=746, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=324, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43683, PETRI_PLACES=719, PETRI_TRANSITIONS=752} [2021-03-26 03:55:47,589 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 681 predicate places. [2021-03-26 03:55:47,589 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:47,589 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 719 places, 752 transitions, 43683 flow [2021-03-26 03:55:47,589 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 719 places, 752 transitions, 43683 flow [2021-03-26 03:55:47,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 719 places, 752 transitions, 43683 flow [2021-03-26 03:55:48,652 INFO L129 PetriNetUnfolder]: 290/3902 cut-off events. [2021-03-26 03:55:48,652 INFO L130 PetriNetUnfolder]: For 272755/272885 co-relation queries the response was YES. [2021-03-26 03:55:48,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37646 conditions, 3902 events. 290/3902 cut-off events. For 272755/272885 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 59634 event pairs, 0 based on Foata normal form. 9/3856 useless extension candidates. Maximal degree in co-relation 37449. Up to 580 conditions per place. [2021-03-26 03:55:48,754 INFO L142 LiptonReduction]: Number of co-enabled transitions 4702 [2021-03-26 03:55:48,841 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:55:48,842 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:55:48,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1253 [2021-03-26 03:55:48,842 INFO L480 AbstractCegarLoop]: Abstraction has has 719 places, 752 transitions, 43683 flow [2021-03-26 03:55:48,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:48,842 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:55:48,842 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:55:48,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-03-26 03:55:48,842 INFO L428 AbstractCegarLoop]: === Iteration 191 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:55:48,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:55:48,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1438270516, now seen corresponding path program 187 times [2021-03-26 03:55:48,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:55:48,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967605249] [2021-03-26 03:55:48,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:55:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:55:48,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:48,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:55:48,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:48,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:55:48,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:48,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:55:48,860 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:55:48,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:55:48,876 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:55:48,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:55:48,890 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:55:48,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:55:48,909 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:55:48,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:55:48,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:55:48,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967605249] [2021-03-26 03:55:48,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:55:48,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:55:48,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154210006] [2021-03-26 03:55:48,927 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:55:48,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:55:48,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:55:48,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:55:48,928 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:55:48,928 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 719 places, 752 transitions, 43683 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:48,928 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:55:48,928 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:55:48,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:55:50,742 INFO L129 PetriNetUnfolder]: 307/3934 cut-off events. [2021-03-26 03:55:50,742 INFO L130 PetriNetUnfolder]: For 277341/277455 co-relation queries the response was YES. [2021-03-26 03:55:50,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39585 conditions, 3934 events. 307/3934 cut-off events. For 277341/277455 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59785 event pairs, 13 based on Foata normal form. 14/3891 useless extension candidates. Maximal degree in co-relation 39387. Up to 681 conditions per place. [2021-03-26 03:55:50,807 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 424 selfloop transitions, 327 changer transitions 3/768 dead transitions. [2021-03-26 03:55:50,807 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 726 places, 768 transitions, 45793 flow [2021-03-26 03:55:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:55:50,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:55:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:55:50,808 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:55:50,808 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:55:50,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:55:50,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:55:50,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:55:50,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:50,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:50,809 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:50,809 INFO L185 Difference]: Start difference. First operand has 719 places, 752 transitions, 43683 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:55:50,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 726 places, 768 transitions, 45793 flow [2021-03-26 03:55:53,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 722 places, 768 transitions, 45138 flow, removed 34 selfloop flow, removed 4 redundant places. [2021-03-26 03:55:53,172 INFO L241 Difference]: Finished difference. Result has 724 places, 750 transitions, 43602 flow [2021-03-26 03:55:53,173 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43028, PETRI_DIFFERENCE_MINUEND_PLACES=715, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=752, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43602, PETRI_PLACES=724, PETRI_TRANSITIONS=750} [2021-03-26 03:55:53,173 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 686 predicate places. [2021-03-26 03:55:53,173 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:53,173 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 724 places, 750 transitions, 43602 flow [2021-03-26 03:55:53,173 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 724 places, 750 transitions, 43602 flow [2021-03-26 03:55:53,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 723 places, 750 transitions, 43602 flow [2021-03-26 03:55:54,298 INFO L129 PetriNetUnfolder]: 289/3891 cut-off events. [2021-03-26 03:55:54,299 INFO L130 PetriNetUnfolder]: For 274490/274620 co-relation queries the response was YES. [2021-03-26 03:55:54,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37968 conditions, 3891 events. 289/3891 cut-off events. For 274490/274620 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59494 event pairs, 0 based on Foata normal form. 9/3843 useless extension candidates. Maximal degree in co-relation 37770. Up to 578 conditions per place. [2021-03-26 03:55:54,401 INFO L142 LiptonReduction]: Number of co-enabled transitions 4698 [2021-03-26 03:55:54,478 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:55:54,478 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:55:54,478 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1305 [2021-03-26 03:55:54,479 INFO L480 AbstractCegarLoop]: Abstraction has has 723 places, 750 transitions, 43602 flow [2021-03-26 03:55:54,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:54,479 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:55:54,479 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:55:54,479 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2021-03-26 03:55:54,479 INFO L428 AbstractCegarLoop]: === Iteration 192 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:55:54,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:55:54,479 INFO L82 PathProgramCache]: Analyzing trace with hash -22014620, now seen corresponding path program 188 times [2021-03-26 03:55:54,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:55:54,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671180409] [2021-03-26 03:55:54,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:55:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:55:54,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:54,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:55:54,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:54,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:55:54,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:55:54,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:55:54,497 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:55:54,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:55:54,507 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:55:54,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:55:54,522 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:55:54,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:55:54,541 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:55:54,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:55:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:55:54,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671180409] [2021-03-26 03:55:54,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:55:54,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:55:54,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471624624] [2021-03-26 03:55:54,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:55:54,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:55:54,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:55:54,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:55:54,560 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:55:54,561 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 723 places, 750 transitions, 43602 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:54,561 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:55:54,561 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:55:54,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:55:56,510 INFO L129 PetriNetUnfolder]: 306/3923 cut-off events. [2021-03-26 03:55:56,510 INFO L130 PetriNetUnfolder]: For 279510/279624 co-relation queries the response was YES. [2021-03-26 03:55:56,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39902 conditions, 3923 events. 306/3923 cut-off events. For 279510/279624 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59595 event pairs, 13 based on Foata normal form. 14/3881 useless extension candidates. Maximal degree in co-relation 39703. Up to 681 conditions per place. [2021-03-26 03:55:56,577 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 398 selfloop transitions, 347 changer transitions 0/759 dead transitions. [2021-03-26 03:55:56,577 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 730 places, 759 transitions, 45364 flow [2021-03-26 03:55:56,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:55:56,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:55:56,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:55:56,578 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:55:56,578 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:55:56,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:55:56,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:55:56,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:55:56,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:56,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:56,579 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:56,579 INFO L185 Difference]: Start difference. First operand has 723 places, 750 transitions, 43602 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:55:56,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 730 places, 759 transitions, 45364 flow [2021-03-26 03:55:58,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 725 places, 759 transitions, 44703 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-03-26 03:55:58,947 INFO L241 Difference]: Finished difference. Result has 726 places, 750 transitions, 43646 flow [2021-03-26 03:55:58,947 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=42949, PETRI_DIFFERENCE_MINUEND_PLACES=718, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=750, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=347, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43646, PETRI_PLACES=726, PETRI_TRANSITIONS=750} [2021-03-26 03:55:58,947 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 688 predicate places. [2021-03-26 03:55:58,947 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:58,947 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 726 places, 750 transitions, 43646 flow [2021-03-26 03:55:58,948 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 726 places, 750 transitions, 43646 flow [2021-03-26 03:55:58,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 726 places, 750 transitions, 43646 flow [2021-03-26 03:55:59,969 INFO L129 PetriNetUnfolder]: 289/3890 cut-off events. [2021-03-26 03:55:59,969 INFO L130 PetriNetUnfolder]: For 274393/274522 co-relation queries the response was YES. [2021-03-26 03:56:00,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37996 conditions, 3890 events. 289/3890 cut-off events. For 274393/274522 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59509 event pairs, 0 based on Foata normal form. 9/3843 useless extension candidates. Maximal degree in co-relation 37798. Up to 578 conditions per place. [2021-03-26 03:56:00,076 INFO L142 LiptonReduction]: Number of co-enabled transitions 4698 [2021-03-26 03:56:00,153 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:56:00,153 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:56:00,153 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1206 [2021-03-26 03:56:00,154 INFO L480 AbstractCegarLoop]: Abstraction has has 726 places, 750 transitions, 43646 flow [2021-03-26 03:56:00,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:00,154 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:56:00,154 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:56:00,154 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2021-03-26 03:56:00,154 INFO L428 AbstractCegarLoop]: === Iteration 193 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:56:00,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:56:00,155 INFO L82 PathProgramCache]: Analyzing trace with hash 2126781916, now seen corresponding path program 189 times [2021-03-26 03:56:00,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:56:00,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345375600] [2021-03-26 03:56:00,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:56:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:56:00,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:00,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:56:00,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:00,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:56:00,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:00,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:56:00,171 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:56:00,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:56:00,182 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:56:00,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:56:00,205 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:56:00,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:56:00,225 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:56:00,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:56:00,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:56:00,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345375600] [2021-03-26 03:56:00,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:56:00,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:56:00,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106497795] [2021-03-26 03:56:00,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:56:00,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:56:00,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:56:00,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:56:00,243 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:56:00,244 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 726 places, 750 transitions, 43646 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:00,244 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:56:00,244 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:56:00,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:56:02,231 INFO L129 PetriNetUnfolder]: 306/3922 cut-off events. [2021-03-26 03:56:02,231 INFO L130 PetriNetUnfolder]: For 279379/279492 co-relation queries the response was YES. [2021-03-26 03:56:02,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39929 conditions, 3922 events. 306/3922 cut-off events. For 279379/279492 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59581 event pairs, 13 based on Foata normal form. 14/3880 useless extension candidates. Maximal degree in co-relation 39730. Up to 681 conditions per place. [2021-03-26 03:56:02,302 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 401 selfloop transitions, 344 changer transitions 0/759 dead transitions. [2021-03-26 03:56:02,302 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 733 places, 759 transitions, 45408 flow [2021-03-26 03:56:02,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:56:02,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:56:02,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:56:02,303 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:56:02,303 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:56:02,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:56:02,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:56:02,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:56:02,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:02,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:02,304 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:02,304 INFO L185 Difference]: Start difference. First operand has 726 places, 750 transitions, 43646 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:56:02,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 733 places, 759 transitions, 45408 flow [2021-03-26 03:56:04,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 731 places, 759 transitions, 44948 flow, removed 18 selfloop flow, removed 2 redundant places. [2021-03-26 03:56:04,619 INFO L241 Difference]: Finished difference. Result has 732 places, 750 transitions, 43877 flow [2021-03-26 03:56:04,620 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43186, PETRI_DIFFERENCE_MINUEND_PLACES=724, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=750, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=344, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43877, PETRI_PLACES=732, PETRI_TRANSITIONS=750} [2021-03-26 03:56:04,620 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 694 predicate places. [2021-03-26 03:56:04,620 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:56:04,620 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 732 places, 750 transitions, 43877 flow [2021-03-26 03:56:04,620 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 732 places, 750 transitions, 43877 flow [2021-03-26 03:56:04,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 732 places, 750 transitions, 43877 flow [2021-03-26 03:56:05,660 INFO L129 PetriNetUnfolder]: 289/3889 cut-off events. [2021-03-26 03:56:05,660 INFO L130 PetriNetUnfolder]: For 278427/278569 co-relation queries the response was YES. [2021-03-26 03:56:05,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38604 conditions, 3889 events. 289/3889 cut-off events. For 278427/278569 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59520 event pairs, 0 based on Foata normal form. 9/3841 useless extension candidates. Maximal degree in co-relation 38405. Up to 578 conditions per place. [2021-03-26 03:56:05,764 INFO L142 LiptonReduction]: Number of co-enabled transitions 4698 [2021-03-26 03:56:05,852 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:56:05,853 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:56:05,853 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1233 [2021-03-26 03:56:05,853 INFO L480 AbstractCegarLoop]: Abstraction has has 732 places, 750 transitions, 43877 flow [2021-03-26 03:56:05,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:05,853 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:56:05,853 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:56:05,853 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2021-03-26 03:56:05,853 INFO L428 AbstractCegarLoop]: === Iteration 194 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:56:05,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:56:05,853 INFO L82 PathProgramCache]: Analyzing trace with hash -2138277896, now seen corresponding path program 190 times [2021-03-26 03:56:05,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:56:05,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342738969] [2021-03-26 03:56:05,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:56:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:56:05,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:05,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:56:05,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:05,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:56:05,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:05,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:56:05,870 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:56:05,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:56:05,880 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:56:05,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:56:05,904 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:56:05,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:56:05,922 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:56:05,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:56:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:56:05,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342738969] [2021-03-26 03:56:05,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:56:05,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:56:05,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849289384] [2021-03-26 03:56:05,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:56:05,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:56:05,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:56:05,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:56:05,941 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:56:05,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 732 places, 750 transitions, 43877 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:05,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:56:05,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:56:05,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:56:07,982 INFO L129 PetriNetUnfolder]: 306/3921 cut-off events. [2021-03-26 03:56:07,983 INFO L130 PetriNetUnfolder]: For 283703/283814 co-relation queries the response was YES. [2021-03-26 03:56:08,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40539 conditions, 3921 events. 306/3921 cut-off events. For 283703/283814 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59505 event pairs, 13 based on Foata normal form. 13/3877 useless extension candidates. Maximal degree in co-relation 40339. Up to 681 conditions per place. [2021-03-26 03:56:08,044 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 401 selfloop transitions, 344 changer transitions 0/759 dead transitions. [2021-03-26 03:56:08,044 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 739 places, 759 transitions, 45647 flow [2021-03-26 03:56:08,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:56:08,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:56:08,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:56:08,045 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:56:08,045 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:56:08,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:56:08,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:56:08,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:56:08,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:08,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:08,046 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:08,046 INFO L185 Difference]: Start difference. First operand has 732 places, 750 transitions, 43877 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:56:08,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 739 places, 759 transitions, 45647 flow [2021-03-26 03:56:10,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 736 places, 759 transitions, 45040 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-03-26 03:56:10,370 INFO L241 Difference]: Finished difference. Result has 737 places, 750 transitions, 43961 flow [2021-03-26 03:56:10,371 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43270, PETRI_DIFFERENCE_MINUEND_PLACES=729, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=750, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=344, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43961, PETRI_PLACES=737, PETRI_TRANSITIONS=750} [2021-03-26 03:56:10,371 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 699 predicate places. [2021-03-26 03:56:10,371 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:56:10,371 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 737 places, 750 transitions, 43961 flow [2021-03-26 03:56:10,371 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 737 places, 750 transitions, 43961 flow [2021-03-26 03:56:10,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 737 places, 750 transitions, 43961 flow [2021-03-26 03:56:11,454 INFO L129 PetriNetUnfolder]: 289/3888 cut-off events. [2021-03-26 03:56:11,454 INFO L130 PetriNetUnfolder]: For 282224/282353 co-relation queries the response was YES. [2021-03-26 03:56:11,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39061 conditions, 3888 events. 289/3888 cut-off events. For 282224/282353 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59426 event pairs, 0 based on Foata normal form. 9/3841 useless extension candidates. Maximal degree in co-relation 38861. Up to 578 conditions per place. [2021-03-26 03:56:11,558 INFO L142 LiptonReduction]: Number of co-enabled transitions 4698 [2021-03-26 03:56:11,643 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:56:11,643 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:56:11,643 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1272 [2021-03-26 03:56:11,644 INFO L480 AbstractCegarLoop]: Abstraction has has 737 places, 750 transitions, 43961 flow [2021-03-26 03:56:11,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:11,644 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:56:11,644 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:56:11,644 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2021-03-26 03:56:11,644 INFO L428 AbstractCegarLoop]: === Iteration 195 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:56:11,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:56:11,644 INFO L82 PathProgramCache]: Analyzing trace with hash 370728886, now seen corresponding path program 191 times [2021-03-26 03:56:11,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:56:11,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441293850] [2021-03-26 03:56:11,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:56:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:56:11,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:11,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:56:11,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:11,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:56:11,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:11,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:56:11,661 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:56:11,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:56:11,678 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:56:11,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:56:11,701 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:56:11,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:56:11,721 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:56:11,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:56:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:56:11,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441293850] [2021-03-26 03:56:11,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:56:11,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:56:11,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757526369] [2021-03-26 03:56:11,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:56:11,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:56:11,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:56:11,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:56:11,740 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:56:11,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 737 places, 750 transitions, 43961 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:11,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:56:11,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:56:11,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:56:13,620 INFO L129 PetriNetUnfolder]: 306/3920 cut-off events. [2021-03-26 03:56:13,620 INFO L130 PetriNetUnfolder]: For 288194/288305 co-relation queries the response was YES. [2021-03-26 03:56:13,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40994 conditions, 3920 events. 306/3920 cut-off events. For 288194/288305 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59472 event pairs, 13 based on Foata normal form. 13/3876 useless extension candidates. Maximal degree in co-relation 40793. Up to 681 conditions per place. [2021-03-26 03:56:13,685 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 422 selfloop transitions, 324 changer transitions 5/765 dead transitions. [2021-03-26 03:56:13,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 744 places, 765 transitions, 46051 flow [2021-03-26 03:56:13,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:56:13,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:56:13,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:56:13,686 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:56:13,686 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:56:13,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:56:13,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:56:13,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:56:13,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:13,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:13,687 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:13,687 INFO L185 Difference]: Start difference. First operand has 737 places, 750 transitions, 43961 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:56:13,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 744 places, 765 transitions, 46051 flow [2021-03-26 03:56:16,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 765 transitions, 45375 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 03:56:16,095 INFO L241 Difference]: Finished difference. Result has 741 places, 748 transitions, 43843 flow [2021-03-26 03:56:16,096 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43285, PETRI_DIFFERENCE_MINUEND_PLACES=732, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=750, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=322, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43843, PETRI_PLACES=741, PETRI_TRANSITIONS=748} [2021-03-26 03:56:16,096 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 703 predicate places. [2021-03-26 03:56:16,096 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:56:16,096 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 741 places, 748 transitions, 43843 flow [2021-03-26 03:56:16,096 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 741 places, 748 transitions, 43843 flow [2021-03-26 03:56:16,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 739 places, 748 transitions, 43843 flow [2021-03-26 03:56:17,225 INFO L129 PetriNetUnfolder]: 288/3871 cut-off events. [2021-03-26 03:56:17,225 INFO L130 PetriNetUnfolder]: For 285367/285496 co-relation queries the response was YES. [2021-03-26 03:56:17,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39253 conditions, 3871 events. 288/3871 cut-off events. For 285367/285496 co-relation queries the response was YES. Maximal size of possible extension queue 700. Compared 59187 event pairs, 0 based on Foata normal form. 9/3824 useless extension candidates. Maximal degree in co-relation 39051. Up to 576 conditions per place. [2021-03-26 03:56:17,319 INFO L142 LiptonReduction]: Number of co-enabled transitions 4680 [2021-03-26 03:56:17,396 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:56:17,396 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:56:17,396 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1300 [2021-03-26 03:56:17,397 INFO L480 AbstractCegarLoop]: Abstraction has has 739 places, 748 transitions, 43843 flow [2021-03-26 03:56:17,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:17,397 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:56:17,397 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:56:17,397 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2021-03-26 03:56:17,397 INFO L428 AbstractCegarLoop]: === Iteration 196 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:56:17,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:56:17,397 INFO L82 PathProgramCache]: Analyzing trace with hash -2135869928, now seen corresponding path program 192 times [2021-03-26 03:56:17,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:56:17,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698388920] [2021-03-26 03:56:17,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:56:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:56:17,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:17,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:56:17,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:17,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:56:17,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:17,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:56:17,418 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:56:17,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:56:17,434 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:56:17,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:56:17,455 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:56:17,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:56:17,475 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:56:17,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:56:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:56:17,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698388920] [2021-03-26 03:56:17,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:56:17,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:56:17,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628628143] [2021-03-26 03:56:17,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:56:17,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:56:17,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:56:17,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:56:17,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:56:17,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 739 places, 748 transitions, 43843 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:17,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:56:17,512 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:56:17,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:56:19,439 INFO L129 PetriNetUnfolder]: 305/3903 cut-off events. [2021-03-26 03:56:19,439 INFO L130 PetriNetUnfolder]: For 291505/291618 co-relation queries the response was YES. [2021-03-26 03:56:19,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41179 conditions, 3903 events. 305/3903 cut-off events. For 291505/291618 co-relation queries the response was YES. Maximal size of possible extension queue 699. Compared 59186 event pairs, 13 based on Foata normal form. 14/3861 useless extension candidates. Maximal degree in co-relation 40976. Up to 681 conditions per place. [2021-03-26 03:56:19,505 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 417 selfloop transitions, 327 changer transitions 2/760 dead transitions. [2021-03-26 03:56:19,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 760 transitions, 45753 flow [2021-03-26 03:56:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:56:19,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:56:19,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:56:19,506 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:56:19,506 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:56:19,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:56:19,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:56:19,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:56:19,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:19,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:19,507 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:19,507 INFO L185 Difference]: Start difference. First operand has 739 places, 748 transitions, 43843 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:56:19,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 746 places, 760 transitions, 45753 flow [2021-03-26 03:56:21,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 760 transitions, 44819 flow, removed 15 selfloop flow, removed 7 redundant places. [2021-03-26 03:56:21,835 INFO L241 Difference]: Finished difference. Result has 741 places, 749 transitions, 43653 flow [2021-03-26 03:56:21,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=42925, PETRI_DIFFERENCE_MINUEND_PLACES=732, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=748, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=324, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43653, PETRI_PLACES=741, PETRI_TRANSITIONS=749} [2021-03-26 03:56:21,835 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 703 predicate places. [2021-03-26 03:56:21,835 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:56:21,835 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 741 places, 749 transitions, 43653 flow [2021-03-26 03:56:21,835 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 741 places, 749 transitions, 43653 flow [2021-03-26 03:56:21,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 739 places, 749 transitions, 43653 flow [2021-03-26 03:56:22,819 INFO L129 PetriNetUnfolder]: 287/3861 cut-off events. [2021-03-26 03:56:22,819 INFO L130 PetriNetUnfolder]: For 279076/279206 co-relation queries the response was YES. [2021-03-26 03:56:22,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38665 conditions, 3861 events. 287/3861 cut-off events. For 279076/279206 co-relation queries the response was YES. Maximal size of possible extension queue 698. Compared 58962 event pairs, 0 based on Foata normal form. 9/3814 useless extension candidates. Maximal degree in co-relation 38463. Up to 574 conditions per place. [2021-03-26 03:56:22,919 INFO L142 LiptonReduction]: Number of co-enabled transitions 4684 [2021-03-26 03:56:22,994 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:56:22,995 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:56:22,995 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1160 [2021-03-26 03:56:22,995 INFO L480 AbstractCegarLoop]: Abstraction has has 739 places, 749 transitions, 43653 flow [2021-03-26 03:56:22,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:22,995 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:56:22,995 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:56:22,995 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2021-03-26 03:56:22,995 INFO L428 AbstractCegarLoop]: === Iteration 197 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:56:22,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:56:22,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1924203468, now seen corresponding path program 193 times [2021-03-26 03:56:22,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:56:22,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601219659] [2021-03-26 03:56:22,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:56:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:56:23,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:23,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:56:23,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:23,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:56:23,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:23,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:56:23,012 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:56:23,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:56:23,022 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:56:23,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:56:23,036 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:56:23,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:56:23,055 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:56:23,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:56:23,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:56:23,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601219659] [2021-03-26 03:56:23,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:56:23,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:56:23,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693332039] [2021-03-26 03:56:23,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:56:23,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:56:23,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:56:23,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:56:23,074 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:56:23,074 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 739 places, 749 transitions, 43653 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:23,074 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:56:23,074 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:56:23,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:56:24,971 INFO L129 PetriNetUnfolder]: 304/3893 cut-off events. [2021-03-26 03:56:24,971 INFO L130 PetriNetUnfolder]: For 284750/284863 co-relation queries the response was YES. [2021-03-26 03:56:25,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40589 conditions, 3893 events. 304/3893 cut-off events. For 284750/284863 co-relation queries the response was YES. Maximal size of possible extension queue 698. Compared 58990 event pairs, 13 based on Foata normal form. 14/3850 useless extension candidates. Maximal degree in co-relation 40386. Up to 681 conditions per place. [2021-03-26 03:56:25,047 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 397 selfloop transitions, 347 changer transitions 0/758 dead transitions. [2021-03-26 03:56:25,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 758 transitions, 45429 flow [2021-03-26 03:56:25,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:56:25,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:56:25,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:56:25,048 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:56:25,049 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:56:25,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:56:25,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:56:25,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:56:25,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:25,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:25,049 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:25,049 INFO L185 Difference]: Start difference. First operand has 739 places, 749 transitions, 43653 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:56:25,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 746 places, 758 transitions, 45429 flow [2021-03-26 03:56:27,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 740 places, 758 transitions, 44743 flow, removed 21 selfloop flow, removed 6 redundant places. [2021-03-26 03:56:27,335 INFO L241 Difference]: Finished difference. Result has 741 places, 749 transitions, 43672 flow [2021-03-26 03:56:27,335 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=42975, PETRI_DIFFERENCE_MINUEND_PLACES=733, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=749, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=347, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43672, PETRI_PLACES=741, PETRI_TRANSITIONS=749} [2021-03-26 03:56:27,336 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 703 predicate places. [2021-03-26 03:56:27,336 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:56:27,336 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 741 places, 749 transitions, 43672 flow [2021-03-26 03:56:27,336 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 741 places, 749 transitions, 43672 flow [2021-03-26 03:56:27,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 741 places, 749 transitions, 43672 flow [2021-03-26 03:56:28,330 INFO L129 PetriNetUnfolder]: 287/3860 cut-off events. [2021-03-26 03:56:28,331 INFO L130 PetriNetUnfolder]: For 278910/279072 co-relation queries the response was YES. [2021-03-26 03:56:28,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38667 conditions, 3860 events. 287/3860 cut-off events. For 278910/279072 co-relation queries the response was YES. Maximal size of possible extension queue 699. Compared 58862 event pairs, 0 based on Foata normal form. 8/3809 useless extension candidates. Maximal degree in co-relation 38466. Up to 574 conditions per place. [2021-03-26 03:56:28,431 INFO L142 LiptonReduction]: Number of co-enabled transitions 4684 [2021-03-26 03:56:28,515 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:56:28,516 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:56:28,516 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1180 [2021-03-26 03:56:28,516 INFO L480 AbstractCegarLoop]: Abstraction has has 741 places, 749 transitions, 43672 flow [2021-03-26 03:56:28,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:28,516 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:56:28,516 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:56:28,516 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2021-03-26 03:56:28,516 INFO L428 AbstractCegarLoop]: === Iteration 198 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:56:28,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:56:28,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1919369334, now seen corresponding path program 194 times [2021-03-26 03:56:28,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:56:28,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353677084] [2021-03-26 03:56:28,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:56:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:56:28,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:28,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:56:28,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:28,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:56:28,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:28,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:56:28,532 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:56:28,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:56:28,556 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:56:28,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:56:28,573 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:56:28,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:56:28,595 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:56:28,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:56:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:56:28,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353677084] [2021-03-26 03:56:28,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:56:28,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:56:28,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151713413] [2021-03-26 03:56:28,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:56:28,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:56:28,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:56:28,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:56:28,620 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:56:28,621 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 741 places, 749 transitions, 43672 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:28,621 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:56:28,621 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:56:28,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:56:30,601 INFO L129 PetriNetUnfolder]: 304/3892 cut-off events. [2021-03-26 03:56:30,602 INFO L130 PetriNetUnfolder]: For 284102/284215 co-relation queries the response was YES. [2021-03-26 03:56:30,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40590 conditions, 3892 events. 304/3892 cut-off events. For 284102/284215 co-relation queries the response was YES. Maximal size of possible extension queue 698. Compared 59124 event pairs, 13 based on Foata normal form. 14/3849 useless extension candidates. Maximal degree in co-relation 40388. Up to 681 conditions per place. [2021-03-26 03:56:30,659 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 392 selfloop transitions, 337 changer transitions 15/758 dead transitions. [2021-03-26 03:56:30,659 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 748 places, 758 transitions, 45448 flow [2021-03-26 03:56:30,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:56:30,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:56:30,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:56:30,660 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:56:30,660 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:56:30,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:56:30,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:56:30,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:56:30,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:30,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:30,661 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:30,661 INFO L185 Difference]: Start difference. First operand has 741 places, 749 transitions, 43672 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:56:30,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 748 places, 758 transitions, 45448 flow [2021-03-26 03:56:32,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 744 places, 758 transitions, 44786 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 03:56:32,785 INFO L241 Difference]: Finished difference. Result has 745 places, 734 transitions, 42588 flow [2021-03-26 03:56:32,785 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43010, PETRI_DIFFERENCE_MINUEND_PLACES=737, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=749, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=337, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42588, PETRI_PLACES=745, PETRI_TRANSITIONS=734} [2021-03-26 03:56:32,785 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 707 predicate places. [2021-03-26 03:56:32,785 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:56:32,785 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 745 places, 734 transitions, 42588 flow [2021-03-26 03:56:32,785 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 745 places, 734 transitions, 42588 flow [2021-03-26 03:56:32,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 738 places, 734 transitions, 42588 flow [2021-03-26 03:56:33,748 INFO L129 PetriNetUnfolder]: 286/3818 cut-off events. [2021-03-26 03:56:33,749 INFO L130 PetriNetUnfolder]: For 277240/277379 co-relation queries the response was YES. [2021-03-26 03:56:33,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38401 conditions, 3818 events. 286/3818 cut-off events. For 277240/277379 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58057 event pairs, 0 based on Foata normal form. 9/3772 useless extension candidates. Maximal degree in co-relation 38199. Up to 572 conditions per place. [2021-03-26 03:56:33,849 INFO L142 LiptonReduction]: Number of co-enabled transitions 4528 [2021-03-26 03:56:33,926 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:56:33,926 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:56:33,926 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1141 [2021-03-26 03:56:33,927 INFO L480 AbstractCegarLoop]: Abstraction has has 738 places, 734 transitions, 42588 flow [2021-03-26 03:56:33,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:33,927 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:56:33,927 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:56:33,927 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2021-03-26 03:56:33,927 INFO L428 AbstractCegarLoop]: === Iteration 199 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:56:33,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:56:33,927 INFO L82 PathProgramCache]: Analyzing trace with hash 108441218, now seen corresponding path program 195 times [2021-03-26 03:56:33,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:56:33,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555803168] [2021-03-26 03:56:33,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:56:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:56:33,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:33,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:56:33,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:33,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:56:33,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:33,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:56:33,944 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:56:33,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:56:33,959 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:56:33,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:56:33,981 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:56:33,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:56:34,000 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:56:34,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:56:34,018 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 03:56:34,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555803168] [2021-03-26 03:56:34,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:56:34,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:56:34,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171357816] [2021-03-26 03:56:34,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:56:34,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:56:34,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:56:34,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:56:34,019 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:56:34,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 738 places, 734 transitions, 42588 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:34,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:56:34,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:56:34,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:56:35,841 INFO L129 PetriNetUnfolder]: 303/3850 cut-off events. [2021-03-26 03:56:35,841 INFO L130 PetriNetUnfolder]: For 283253/283364 co-relation queries the response was YES. [2021-03-26 03:56:35,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40306 conditions, 3850 events. 303/3850 cut-off events. For 283253/283364 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58192 event pairs, 13 based on Foata normal form. 13/3809 useless extension candidates. Maximal degree in co-relation 40103. Up to 681 conditions per place. [2021-03-26 03:56:35,907 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 389 selfloop transitions, 338 changer transitions 2/743 dead transitions. [2021-03-26 03:56:35,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 745 places, 743 transitions, 44342 flow [2021-03-26 03:56:35,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:56:35,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:56:35,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:56:35,908 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:56:35,908 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:56:35,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:56:35,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:56:35,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:56:35,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:35,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:35,909 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:35,909 INFO L185 Difference]: Start difference. First operand has 738 places, 734 transitions, 42588 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:56:35,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 745 places, 743 transitions, 44342 flow [2021-03-26 03:56:38,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 734 places, 743 transitions, 43616 flow, removed 32 selfloop flow, removed 11 redundant places. [2021-03-26 03:56:38,112 INFO L241 Difference]: Finished difference. Result has 736 places, 734 transitions, 42627 flow [2021-03-26 03:56:38,112 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41910, PETRI_DIFFERENCE_MINUEND_PLACES=727, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=734, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=336, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42627, PETRI_PLACES=736, PETRI_TRANSITIONS=734} [2021-03-26 03:56:38,112 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 698 predicate places. [2021-03-26 03:56:38,112 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:56:38,112 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 736 places, 734 transitions, 42627 flow [2021-03-26 03:56:38,112 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 736 places, 734 transitions, 42627 flow [2021-03-26 03:56:38,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 735 places, 734 transitions, 42627 flow [2021-03-26 03:56:39,109 INFO L129 PetriNetUnfolder]: 285/3808 cut-off events. [2021-03-26 03:56:39,109 INFO L130 PetriNetUnfolder]: For 260912/261042 co-relation queries the response was YES. [2021-03-26 03:56:39,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36455 conditions, 3808 events. 285/3808 cut-off events. For 260912/261042 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 57977 event pairs, 0 based on Foata normal form. 9/3765 useless extension candidates. Maximal degree in co-relation 36258. Up to 570 conditions per place. [2021-03-26 03:56:39,328 INFO L142 LiptonReduction]: Number of co-enabled transitions 4528 [2021-03-26 03:56:39,403 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:56:39,403 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:56:39,403 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1291 [2021-03-26 03:56:39,404 INFO L480 AbstractCegarLoop]: Abstraction has has 735 places, 734 transitions, 42627 flow [2021-03-26 03:56:39,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:39,404 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:56:39,404 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:56:39,404 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2021-03-26 03:56:39,404 INFO L428 AbstractCegarLoop]: === Iteration 200 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:56:39,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:56:39,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1079292340, now seen corresponding path program 196 times [2021-03-26 03:56:39,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:56:39,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228201070] [2021-03-26 03:56:39,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:56:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:56:39,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:39,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:56:39,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:39,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:56:39,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:39,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:56:39,425 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:56:39,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:56:39,443 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:56:39,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:56:39,468 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:56:39,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:56:39,491 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:56:39,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:56:39,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:56:39,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228201070] [2021-03-26 03:56:39,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:56:39,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:56:39,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356789047] [2021-03-26 03:56:39,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:56:39,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:56:39,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:56:39,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:56:39,513 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:56:39,514 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 735 places, 734 transitions, 42627 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:39,514 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:56:39,514 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:56:39,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:56:41,401 INFO L129 PetriNetUnfolder]: 302/3840 cut-off events. [2021-03-26 03:56:41,401 INFO L130 PetriNetUnfolder]: For 265047/265160 co-relation queries the response was YES. [2021-03-26 03:56:41,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38362 conditions, 3840 events. 302/3840 cut-off events. For 265047/265160 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 58030 event pairs, 13 based on Foata normal form. 14/3801 useless extension candidates. Maximal degree in co-relation 38164. Up to 681 conditions per place. [2021-03-26 03:56:41,465 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 388 selfloop transitions, 336 changer transitions 3/741 dead transitions. [2021-03-26 03:56:41,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 742 places, 741 transitions, 44251 flow [2021-03-26 03:56:41,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:56:41,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:56:41,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:56:41,466 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:56:41,466 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:56:41,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:56:41,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:56:41,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:56:41,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:41,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:41,467 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:41,467 INFO L185 Difference]: Start difference. First operand has 735 places, 734 transitions, 42627 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:56:41,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 742 places, 741 transitions, 44251 flow [2021-03-26 03:56:43,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 737 places, 741 transitions, 43604 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-26 03:56:43,733 INFO L241 Difference]: Finished difference. Result has 738 places, 731 transitions, 42489 flow [2021-03-26 03:56:43,734 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41988, PETRI_DIFFERENCE_MINUEND_PLACES=730, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=734, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=336, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42489, PETRI_PLACES=738, PETRI_TRANSITIONS=731} [2021-03-26 03:56:43,734 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 700 predicate places. [2021-03-26 03:56:43,734 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:56:43,734 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 738 places, 731 transitions, 42489 flow [2021-03-26 03:56:43,734 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 738 places, 731 transitions, 42489 flow [2021-03-26 03:56:43,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 737 places, 731 transitions, 42489 flow [2021-03-26 03:56:44,770 INFO L129 PetriNetUnfolder]: 284/3797 cut-off events. [2021-03-26 03:56:44,770 INFO L130 PetriNetUnfolder]: For 259511/259641 co-relation queries the response was YES. [2021-03-26 03:56:44,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36407 conditions, 3797 events. 284/3797 cut-off events. For 259511/259641 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57722 event pairs, 0 based on Foata normal form. 9/3751 useless extension candidates. Maximal degree in co-relation 36211. Up to 568 conditions per place. [2021-03-26 03:56:44,873 INFO L142 LiptonReduction]: Number of co-enabled transitions 4512 [2021-03-26 03:56:44,946 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:56:44,946 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:56:44,946 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1212 [2021-03-26 03:56:44,947 INFO L480 AbstractCegarLoop]: Abstraction has has 737 places, 731 transitions, 42489 flow [2021-03-26 03:56:44,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:44,947 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:56:44,947 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:56:44,947 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2021-03-26 03:56:44,947 INFO L428 AbstractCegarLoop]: === Iteration 201 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:56:44,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:56:44,947 INFO L82 PathProgramCache]: Analyzing trace with hash -945786664, now seen corresponding path program 197 times [2021-03-26 03:56:44,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:56:44,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359095346] [2021-03-26 03:56:44,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:56:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:56:44,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:44,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:56:44,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:44,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:56:44,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:44,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:56:44,964 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:56:44,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:56:44,980 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:56:44,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:56:44,995 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:56:44,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:56:45,014 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:56:45,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:56:45,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:56:45,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359095346] [2021-03-26 03:56:45,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:56:45,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:56:45,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129885067] [2021-03-26 03:56:45,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:56:45,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:56:45,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:56:45,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:56:45,033 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:56:45,033 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 737 places, 731 transitions, 42489 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:45,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:56:45,033 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:56:45,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:56:46,924 INFO L129 PetriNetUnfolder]: 301/3829 cut-off events. [2021-03-26 03:56:46,924 INFO L130 PetriNetUnfolder]: For 263678/263791 co-relation queries the response was YES. [2021-03-26 03:56:46,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38310 conditions, 3829 events. 301/3829 cut-off events. For 263678/263791 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57869 event pairs, 13 based on Foata normal form. 14/3790 useless extension candidates. Maximal degree in co-relation 38113. Up to 681 conditions per place. [2021-03-26 03:56:46,992 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 381 selfloop transitions, 343 changer transitions 0/738 dead transitions. [2021-03-26 03:56:46,992 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 744 places, 738 transitions, 44107 flow [2021-03-26 03:56:46,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:56:46,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:56:46,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:56:46,993 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:56:46,993 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:56:46,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:56:46,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:56:46,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:56:46,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:46,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:46,994 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:46,994 INFO L185 Difference]: Start difference. First operand has 737 places, 731 transitions, 42489 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:56:46,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 744 places, 738 transitions, 44107 flow [2021-03-26 03:56:49,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 738 transitions, 43437 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 03:56:49,244 INFO L241 Difference]: Finished difference. Result has 740 places, 731 transitions, 42516 flow [2021-03-26 03:56:49,244 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41827, PETRI_DIFFERENCE_MINUEND_PLACES=732, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=731, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=343, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42516, PETRI_PLACES=740, PETRI_TRANSITIONS=731} [2021-03-26 03:56:49,244 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 702 predicate places. [2021-03-26 03:56:49,244 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:56:49,244 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 740 places, 731 transitions, 42516 flow [2021-03-26 03:56:49,244 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 740 places, 731 transitions, 42516 flow [2021-03-26 03:56:49,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 740 places, 731 transitions, 42516 flow [2021-03-26 03:56:50,172 INFO L129 PetriNetUnfolder]: 284/3796 cut-off events. [2021-03-26 03:56:50,173 INFO L130 PetriNetUnfolder]: For 259379/259508 co-relation queries the response was YES. [2021-03-26 03:56:50,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36424 conditions, 3796 events. 284/3796 cut-off events. For 259379/259508 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 57703 event pairs, 0 based on Foata normal form. 9/3751 useless extension candidates. Maximal degree in co-relation 36228. Up to 568 conditions per place. [2021-03-26 03:56:50,271 INFO L142 LiptonReduction]: Number of co-enabled transitions 4512 [2021-03-26 03:56:50,339 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:56:50,340 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:56:50,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1096 [2021-03-26 03:56:50,340 INFO L480 AbstractCegarLoop]: Abstraction has has 740 places, 731 transitions, 42516 flow [2021-03-26 03:56:50,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:50,340 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:56:50,340 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:56:50,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2021-03-26 03:56:50,340 INFO L428 AbstractCegarLoop]: === Iteration 202 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:56:50,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:56:50,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1382576628, now seen corresponding path program 198 times [2021-03-26 03:56:50,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:56:50,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543940838] [2021-03-26 03:56:50,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:56:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:56:50,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:50,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:56:50,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:50,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:56:50,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:50,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:56:50,357 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:56:50,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:56:50,373 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:56:50,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:56:50,387 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:56:50,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:56:50,407 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:56:50,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:56:50,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:56:50,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543940838] [2021-03-26 03:56:50,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:56:50,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:56:50,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252030709] [2021-03-26 03:56:50,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:56:50,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:56:50,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:56:50,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:56:50,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:56:50,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 740 places, 731 transitions, 42516 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:50,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:56:50,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:56:50,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:56:52,224 INFO L129 PetriNetUnfolder]: 301/3828 cut-off events. [2021-03-26 03:56:52,224 INFO L130 PetriNetUnfolder]: For 263673/263786 co-relation queries the response was YES. [2021-03-26 03:56:52,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38326 conditions, 3828 events. 301/3828 cut-off events. For 263673/263786 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57843 event pairs, 13 based on Foata normal form. 14/3788 useless extension candidates. Maximal degree in co-relation 38129. Up to 681 conditions per place. [2021-03-26 03:56:52,290 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 383 selfloop transitions, 336 changer transitions 5/738 dead transitions. [2021-03-26 03:56:52,290 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 747 places, 738 transitions, 44134 flow [2021-03-26 03:56:52,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:56:52,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:56:52,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:56:52,291 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:56:52,291 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:56:52,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:56:52,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:56:52,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:56:52,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:52,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:52,292 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:52,292 INFO L185 Difference]: Start difference. First operand has 740 places, 731 transitions, 42516 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:56:52,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 747 places, 738 transitions, 44134 flow [2021-03-26 03:56:54,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 742 places, 738 transitions, 43415 flow, removed 20 selfloop flow, removed 5 redundant places. [2021-03-26 03:56:54,536 INFO L241 Difference]: Finished difference. Result has 743 places, 726 transitions, 42123 flow [2021-03-26 03:56:54,536 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41797, PETRI_DIFFERENCE_MINUEND_PLACES=735, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=731, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=336, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42123, PETRI_PLACES=743, PETRI_TRANSITIONS=726} [2021-03-26 03:56:54,536 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 705 predicate places. [2021-03-26 03:56:54,536 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:56:54,537 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 743 places, 726 transitions, 42123 flow [2021-03-26 03:56:54,537 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 743 places, 726 transitions, 42123 flow [2021-03-26 03:56:54,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 740 places, 726 transitions, 42123 flow [2021-03-26 03:56:55,500 INFO L129 PetriNetUnfolder]: 283/3781 cut-off events. [2021-03-26 03:56:55,500 INFO L130 PetriNetUnfolder]: For 258589/258718 co-relation queries the response was YES. [2021-03-26 03:56:55,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36609 conditions, 3781 events. 283/3781 cut-off events. For 258589/258718 co-relation queries the response was YES. Maximal size of possible extension queue 683. Compared 57481 event pairs, 0 based on Foata normal form. 9/3739 useless extension candidates. Maximal degree in co-relation 36413. Up to 566 conditions per place. [2021-03-26 03:56:55,599 INFO L142 LiptonReduction]: Number of co-enabled transitions 4454 [2021-03-26 03:56:55,682 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:56:55,682 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:56:55,683 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1147 [2021-03-26 03:56:55,683 INFO L480 AbstractCegarLoop]: Abstraction has has 740 places, 726 transitions, 42123 flow [2021-03-26 03:56:55,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:55,683 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:56:55,683 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:56:55,683 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2021-03-26 03:56:55,683 INFO L428 AbstractCegarLoop]: === Iteration 203 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:56:55,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:56:55,683 INFO L82 PathProgramCache]: Analyzing trace with hash -217016436, now seen corresponding path program 199 times [2021-03-26 03:56:55,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:56:55,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256833076] [2021-03-26 03:56:55,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:56:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:56:55,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:55,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:56:55,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:55,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:56:55,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:55,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:56:55,700 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:56:55,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:56:55,718 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:56:55,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:56:55,739 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:56:55,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:56:55,758 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:56:55,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:56:55,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:56:55,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256833076] [2021-03-26 03:56:55,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:56:55,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:56:55,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881002371] [2021-03-26 03:56:55,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:56:55,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:56:55,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:56:55,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:56:55,777 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:56:55,777 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 740 places, 726 transitions, 42123 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:55,777 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:56:55,777 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:56:55,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:56:57,723 INFO L129 PetriNetUnfolder]: 300/3813 cut-off events. [2021-03-26 03:56:57,723 INFO L130 PetriNetUnfolder]: For 263032/263143 co-relation queries the response was YES. [2021-03-26 03:56:57,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38504 conditions, 3813 events. 300/3813 cut-off events. For 263032/263143 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 57503 event pairs, 13 based on Foata normal form. 13/3774 useless extension candidates. Maximal degree in co-relation 38307. Up to 681 conditions per place. [2021-03-26 03:56:57,778 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 403 selfloop transitions, 312 changer transitions 4/733 dead transitions. [2021-03-26 03:56:57,779 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 747 places, 733 transitions, 43739 flow [2021-03-26 03:56:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:56:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:56:57,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 03:56:57,779 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 03:56:57,779 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 03:56:57,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 03:56:57,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:56:57,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 03:56:57,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:57,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:57,780 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:57,781 INFO L185 Difference]: Start difference. First operand has 740 places, 726 transitions, 42123 flow. Second operand 8 states and 466 transitions. [2021-03-26 03:56:57,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 747 places, 733 transitions, 43739 flow [2021-03-26 03:56:59,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 741 places, 733 transitions, 43055 flow, removed 13 selfloop flow, removed 6 redundant places. [2021-03-26 03:56:59,796 INFO L241 Difference]: Finished difference. Result has 742 places, 722 transitions, 41886 flow [2021-03-26 03:56:59,797 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41455, PETRI_DIFFERENCE_MINUEND_PLACES=734, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=312, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=41886, PETRI_PLACES=742, PETRI_TRANSITIONS=722} [2021-03-26 03:56:59,797 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 704 predicate places. [2021-03-26 03:56:59,797 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:56:59,797 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 742 places, 722 transitions, 41886 flow [2021-03-26 03:56:59,797 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 742 places, 722 transitions, 41886 flow [2021-03-26 03:56:59,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 740 places, 722 transitions, 41886 flow [2021-03-26 03:57:00,767 INFO L129 PetriNetUnfolder]: 282/3769 cut-off events. [2021-03-26 03:57:00,767 INFO L130 PetriNetUnfolder]: For 254823/254953 co-relation queries the response was YES. [2021-03-26 03:57:00,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36103 conditions, 3769 events. 282/3769 cut-off events. For 254823/254953 co-relation queries the response was YES. Maximal size of possible extension queue 679. Compared 57166 event pairs, 0 based on Foata normal form. 9/3726 useless extension candidates. Maximal degree in co-relation 35908. Up to 564 conditions per place. [2021-03-26 03:57:00,867 INFO L142 LiptonReduction]: Number of co-enabled transitions 4428 [2021-03-26 03:57:00,951 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:57:00,951 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:57:00,951 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1154 [2021-03-26 03:57:00,951 INFO L480 AbstractCegarLoop]: Abstraction has has 740 places, 722 transitions, 41886 flow [2021-03-26 03:57:00,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:00,951 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:57:00,951 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:57:00,951 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2021-03-26 03:57:00,951 INFO L428 AbstractCegarLoop]: === Iteration 204 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:57:00,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:57:00,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1537631428, now seen corresponding path program 200 times [2021-03-26 03:57:00,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:57:00,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836903899] [2021-03-26 03:57:00,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:57:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:57:00,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:00,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:57:00,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:00,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:57:00,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:00,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:57:00,969 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:57:00,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:57:00,985 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:57:00,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:57:01,005 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:57:01,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:57:01,025 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:57:01,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:57:01,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:57:01,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836903899] [2021-03-26 03:57:01,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:57:01,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:57:01,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257131684] [2021-03-26 03:57:01,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:57:01,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:57:01,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:57:01,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:57:01,044 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:57:01,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 740 places, 722 transitions, 41886 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:01,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:57:01,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:57:01,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:57:02,992 INFO L129 PetriNetUnfolder]: 299/3801 cut-off events. [2021-03-26 03:57:02,993 INFO L130 PetriNetUnfolder]: For 259079/259190 co-relation queries the response was YES. [2021-03-26 03:57:03,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37994 conditions, 3801 events. 299/3801 cut-off events. For 259079/259190 co-relation queries the response was YES. Maximal size of possible extension queue 679. Compared 57374 event pairs, 13 based on Foata normal form. 13/3762 useless extension candidates. Maximal degree in co-relation 37798. Up to 681 conditions per place. [2021-03-26 03:57:03,065 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 384 selfloop transitions, 327 changer transitions 4/729 dead transitions. [2021-03-26 03:57:03,065 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 747 places, 729 transitions, 43486 flow [2021-03-26 03:57:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:57:03,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:57:03,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 03:57:03,066 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 03:57:03,067 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 03:57:03,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 03:57:03,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:57:03,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 03:57:03,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:03,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:03,068 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:03,068 INFO L185 Difference]: Start difference. First operand has 740 places, 722 transitions, 41886 flow. Second operand 8 states and 466 transitions. [2021-03-26 03:57:03,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 747 places, 729 transitions, 43486 flow [2021-03-26 03:57:05,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 744 places, 729 transitions, 43050 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 03:57:05,290 INFO L241 Difference]: Finished difference. Result has 745 places, 718 transitions, 41901 flow [2021-03-26 03:57:05,290 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41458, PETRI_DIFFERENCE_MINUEND_PLACES=737, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=722, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=41901, PETRI_PLACES=745, PETRI_TRANSITIONS=718} [2021-03-26 03:57:05,290 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 707 predicate places. [2021-03-26 03:57:05,291 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:57:05,291 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 745 places, 718 transitions, 41901 flow [2021-03-26 03:57:05,291 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 745 places, 718 transitions, 41901 flow [2021-03-26 03:57:05,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 743 places, 718 transitions, 41901 flow [2021-03-26 03:57:06,237 INFO L129 PetriNetUnfolder]: 281/3757 cut-off events. [2021-03-26 03:57:06,238 INFO L130 PetriNetUnfolder]: For 254866/254996 co-relation queries the response was YES. [2021-03-26 03:57:06,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36199 conditions, 3757 events. 281/3757 cut-off events. For 254866/254996 co-relation queries the response was YES. Maximal size of possible extension queue 676. Compared 57003 event pairs, 0 based on Foata normal form. 9/3713 useless extension candidates. Maximal degree in co-relation 36004. Up to 562 conditions per place. [2021-03-26 03:57:06,342 INFO L142 LiptonReduction]: Number of co-enabled transitions 4400 [2021-03-26 03:57:06,425 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:57:06,426 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:57:06,426 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1135 [2021-03-26 03:57:06,426 INFO L480 AbstractCegarLoop]: Abstraction has has 743 places, 718 transitions, 41901 flow [2021-03-26 03:57:06,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:06,426 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:57:06,426 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:57:06,426 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2021-03-26 03:57:06,426 INFO L428 AbstractCegarLoop]: === Iteration 205 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:57:06,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:57:06,426 INFO L82 PathProgramCache]: Analyzing trace with hash 474942320, now seen corresponding path program 201 times [2021-03-26 03:57:06,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:57:06,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011085692] [2021-03-26 03:57:06,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:57:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:57:06,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:06,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:57:06,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:06,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:57:06,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:06,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:57:06,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:06,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:57:06,457 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:57:06,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:57:06,472 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:57:06,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:57:06,491 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:57:06,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:57:06,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:57:06,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011085692] [2021-03-26 03:57:06,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:57:06,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:57:06,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966900046] [2021-03-26 03:57:06,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:57:06,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:57:06,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:57:06,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:57:06,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:57:06,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 743 places, 718 transitions, 41901 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:06,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:57:06,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:57:06,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:57:08,475 INFO L129 PetriNetUnfolder]: 304/3898 cut-off events. [2021-03-26 03:57:08,476 INFO L130 PetriNetUnfolder]: For 265624/265737 co-relation queries the response was YES. [2021-03-26 03:57:08,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39003 conditions, 3898 events. 304/3898 cut-off events. For 265624/265737 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 59087 event pairs, 13 based on Foata normal form. 12/3857 useless extension candidates. Maximal degree in co-relation 38807. Up to 695 conditions per place. [2021-03-26 03:57:08,539 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 483 selfloop transitions, 319 changer transitions 0/816 dead transitions. [2021-03-26 03:57:08,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 750 places, 816 transitions, 48646 flow [2021-03-26 03:57:08,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:57:08,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:57:08,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:57:08,541 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:57:08,541 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:57:08,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:57:08,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:57:08,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:57:08,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:08,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:08,541 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:08,541 INFO L185 Difference]: Start difference. First operand has 743 places, 718 transitions, 41901 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:57:08,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 750 places, 816 transitions, 48646 flow [2021-03-26 03:57:10,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 744 places, 816 transitions, 47892 flow, removed 19 selfloop flow, removed 6 redundant places. [2021-03-26 03:57:10,768 INFO L241 Difference]: Finished difference. Result has 749 places, 754 transitions, 44126 flow [2021-03-26 03:57:10,769 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41219, PETRI_DIFFERENCE_MINUEND_PLACES=737, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=718, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=283, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44126, PETRI_PLACES=749, PETRI_TRANSITIONS=754} [2021-03-26 03:57:10,769 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 711 predicate places. [2021-03-26 03:57:10,769 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:57:10,769 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 749 places, 754 transitions, 44126 flow [2021-03-26 03:57:10,769 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 749 places, 754 transitions, 44126 flow [2021-03-26 03:57:10,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 749 places, 754 transitions, 44126 flow [2021-03-26 03:57:11,762 INFO L129 PetriNetUnfolder]: 291/3873 cut-off events. [2021-03-26 03:57:11,762 INFO L130 PetriNetUnfolder]: For 265868/265986 co-relation queries the response was YES. [2021-03-26 03:57:11,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37333 conditions, 3873 events. 291/3873 cut-off events. For 265868/265986 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 59056 event pairs, 0 based on Foata normal form. 1/3821 useless extension candidates. Maximal degree in co-relation 37135. Up to 582 conditions per place. [2021-03-26 03:57:11,863 INFO L142 LiptonReduction]: Number of co-enabled transitions 4568 [2021-03-26 03:57:11,951 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:57:11,951 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:57:11,951 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1182 [2021-03-26 03:57:11,951 INFO L480 AbstractCegarLoop]: Abstraction has has 749 places, 754 transitions, 44126 flow [2021-03-26 03:57:11,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:11,951 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:57:11,951 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:57:11,951 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2021-03-26 03:57:11,951 INFO L428 AbstractCegarLoop]: === Iteration 206 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:57:11,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:57:11,952 INFO L82 PathProgramCache]: Analyzing trace with hash -194105444, now seen corresponding path program 202 times [2021-03-26 03:57:11,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:57:11,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595090254] [2021-03-26 03:57:11,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:57:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:57:11,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:11,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:57:11,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:11,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:57:11,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:11,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:57:11,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:11,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:57:11,977 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:57:11,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:57:11,991 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:57:11,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:57:12,010 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:57:12,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:57:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:57:12,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595090254] [2021-03-26 03:57:12,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:57:12,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:57:12,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932180825] [2021-03-26 03:57:12,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:57:12,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:57:12,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:57:12,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:57:12,029 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:57:12,029 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 749 places, 754 transitions, 44126 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:12,029 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:57:12,029 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:57:12,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:57:13,974 INFO L129 PetriNetUnfolder]: 304/3897 cut-off events. [2021-03-26 03:57:13,974 INFO L130 PetriNetUnfolder]: For 269102/269204 co-relation queries the response was YES. [2021-03-26 03:57:14,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39091 conditions, 3897 events. 304/3897 cut-off events. For 269102/269204 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 59083 event pairs, 13 based on Foata normal form. 14/3859 useless extension candidates. Maximal degree in co-relation 38892. Up to 681 conditions per place. [2021-03-26 03:57:14,036 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 427 selfloop transitions, 345 changer transitions 0/786 dead transitions. [2021-03-26 03:57:14,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 756 places, 786 transitions, 47238 flow [2021-03-26 03:57:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:57:14,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:57:14,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:57:14,037 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:57:14,037 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:57:14,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:57:14,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:57:14,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:57:14,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:14,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:14,038 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:14,038 INFO L185 Difference]: Start difference. First operand has 749 places, 754 transitions, 44126 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:57:14,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 756 places, 786 transitions, 47238 flow [2021-03-26 03:57:16,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 754 places, 786 transitions, 46788 flow, removed 34 selfloop flow, removed 2 redundant places. [2021-03-26 03:57:16,174 INFO L241 Difference]: Finished difference. Result has 758 places, 772 transitions, 45643 flow [2021-03-26 03:57:16,175 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43691, PETRI_DIFFERENCE_MINUEND_PLACES=747, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=754, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45643, PETRI_PLACES=758, PETRI_TRANSITIONS=772} [2021-03-26 03:57:16,175 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 720 predicate places. [2021-03-26 03:57:16,175 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:57:16,175 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 758 places, 772 transitions, 45643 flow [2021-03-26 03:57:16,175 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 758 places, 772 transitions, 45643 flow [2021-03-26 03:57:16,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 758 places, 772 transitions, 45643 flow [2021-03-26 03:57:17,196 INFO L129 PetriNetUnfolder]: 291/3872 cut-off events. [2021-03-26 03:57:17,196 INFO L130 PetriNetUnfolder]: For 274654/274831 co-relation queries the response was YES. [2021-03-26 03:57:17,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37999 conditions, 3872 events. 291/3872 cut-off events. For 274654/274831 co-relation queries the response was YES. Maximal size of possible extension queue 699. Compared 59258 event pairs, 0 based on Foata normal form. 1/3782 useless extension candidates. Maximal degree in co-relation 37797. Up to 582 conditions per place. [2021-03-26 03:57:17,298 INFO L142 LiptonReduction]: Number of co-enabled transitions 4614 [2021-03-26 03:57:17,395 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:57:17,395 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:57:17,396 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1221 [2021-03-26 03:57:17,396 INFO L480 AbstractCegarLoop]: Abstraction has has 758 places, 772 transitions, 45643 flow [2021-03-26 03:57:17,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:17,396 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:57:17,396 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:57:17,396 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2021-03-26 03:57:17,396 INFO L428 AbstractCegarLoop]: === Iteration 207 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:57:17,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:57:17,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1996832766, now seen corresponding path program 203 times [2021-03-26 03:57:17,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:57:17,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326427286] [2021-03-26 03:57:17,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:57:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:57:17,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:17,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:57:17,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:17,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:57:17,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:17,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:57:17,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:17,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:57:17,422 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:57:17,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:57:17,444 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:57:17,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:57:17,463 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:57:17,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:57:17,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:57:17,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326427286] [2021-03-26 03:57:17,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:57:17,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:57:17,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181067159] [2021-03-26 03:57:17,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:57:17,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:57:17,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:57:17,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:57:17,482 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:57:17,482 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 758 places, 772 transitions, 45643 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:17,482 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:57:17,482 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:57:17,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:57:19,484 INFO L129 PetriNetUnfolder]: 304/3896 cut-off events. [2021-03-26 03:57:19,485 INFO L130 PetriNetUnfolder]: For 278211/278336 co-relation queries the response was YES. [2021-03-26 03:57:19,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39755 conditions, 3896 events. 304/3896 cut-off events. For 278211/278336 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 59102 event pairs, 13 based on Foata normal form. 17/3861 useless extension candidates. Maximal degree in co-relation 39552. Up to 681 conditions per place. [2021-03-26 03:57:19,549 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 430 selfloop transitions, 340 changer transitions 2/786 dead transitions. [2021-03-26 03:57:19,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 765 places, 786 transitions, 47752 flow [2021-03-26 03:57:19,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:57:19,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:57:19,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:57:19,550 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:57:19,550 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:57:19,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:57:19,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:57:19,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:57:19,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:19,550 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:19,551 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:19,551 INFO L185 Difference]: Start difference. First operand has 758 places, 772 transitions, 45643 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:57:19,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 765 places, 786 transitions, 47752 flow [2021-03-26 03:57:21,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 762 places, 786 transitions, 47210 flow, removed 37 selfloop flow, removed 3 redundant places. [2021-03-26 03:57:21,809 INFO L241 Difference]: Finished difference. Result has 765 places, 775 transitions, 45960 flow [2021-03-26 03:57:21,810 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45101, PETRI_DIFFERENCE_MINUEND_PLACES=755, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=772, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=336, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45960, PETRI_PLACES=765, PETRI_TRANSITIONS=775} [2021-03-26 03:57:21,810 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 727 predicate places. [2021-03-26 03:57:21,810 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:57:21,810 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 765 places, 775 transitions, 45960 flow [2021-03-26 03:57:21,810 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 765 places, 775 transitions, 45960 flow [2021-03-26 03:57:21,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 764 places, 775 transitions, 45960 flow [2021-03-26 03:57:22,813 INFO L129 PetriNetUnfolder]: 290/3862 cut-off events. [2021-03-26 03:57:22,814 INFO L130 PetriNetUnfolder]: For 277218/277384 co-relation queries the response was YES. [2021-03-26 03:57:22,870 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38499 conditions, 3862 events. 290/3862 cut-off events. For 277218/277384 co-relation queries the response was YES. Maximal size of possible extension queue 694. Compared 58985 event pairs, 0 based on Foata normal form. 1/3776 useless extension candidates. Maximal degree in co-relation 38295. Up to 580 conditions per place. [2021-03-26 03:57:22,913 INFO L142 LiptonReduction]: Number of co-enabled transitions 4620 [2021-03-26 03:57:23,008 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:57:23,008 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:57:23,008 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1198 [2021-03-26 03:57:23,008 INFO L480 AbstractCegarLoop]: Abstraction has has 764 places, 775 transitions, 45960 flow [2021-03-26 03:57:23,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:23,008 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:57:23,008 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:57:23,008 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2021-03-26 03:57:23,008 INFO L428 AbstractCegarLoop]: === Iteration 208 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:57:23,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:57:23,009 INFO L82 PathProgramCache]: Analyzing trace with hash 2003408706, now seen corresponding path program 204 times [2021-03-26 03:57:23,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:57:23,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114364061] [2021-03-26 03:57:23,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:57:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:57:23,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:23,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:57:23,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:23,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:57:23,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:23,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:57:23,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:23,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:57:23,034 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:57:23,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:57:23,048 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:57:23,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:57:23,066 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:57:23,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:57:23,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:57:23,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114364061] [2021-03-26 03:57:23,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:57:23,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:57:23,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034345588] [2021-03-26 03:57:23,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:57:23,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:57:23,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:57:23,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:57:23,084 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:57:23,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 764 places, 775 transitions, 45960 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:23,084 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:57:23,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:57:23,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:57:25,031 INFO L129 PetriNetUnfolder]: 303/3886 cut-off events. [2021-03-26 03:57:25,032 INFO L130 PetriNetUnfolder]: For 281039/281158 co-relation queries the response was YES. [2021-03-26 03:57:25,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40251 conditions, 3886 events. 303/3886 cut-off events. For 281039/281158 co-relation queries the response was YES. Maximal size of possible extension queue 693. Compared 58935 event pairs, 13 based on Foata normal form. 17/3851 useless extension candidates. Maximal degree in co-relation 40046. Up to 681 conditions per place. [2021-03-26 03:57:25,096 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 427 selfloop transitions, 338 changer transitions 5/784 dead transitions. [2021-03-26 03:57:25,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 771 places, 784 transitions, 47823 flow [2021-03-26 03:57:25,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:57:25,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:57:25,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:57:25,097 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:57:25,097 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:57:25,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:57:25,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:57:25,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:57:25,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:25,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:25,098 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:25,098 INFO L185 Difference]: Start difference. First operand has 764 places, 775 transitions, 45960 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:57:25,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 771 places, 784 transitions, 47823 flow [2021-03-26 03:57:27,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 766 places, 784 transitions, 47195 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-26 03:57:27,418 INFO L241 Difference]: Finished difference. Result has 768 places, 772 transitions, 45830 flow [2021-03-26 03:57:27,418 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45340, PETRI_DIFFERENCE_MINUEND_PLACES=759, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=775, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=337, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45830, PETRI_PLACES=768, PETRI_TRANSITIONS=772} [2021-03-26 03:57:27,418 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 730 predicate places. [2021-03-26 03:57:27,418 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:57:27,418 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 768 places, 772 transitions, 45830 flow [2021-03-26 03:57:27,419 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 768 places, 772 transitions, 45830 flow [2021-03-26 03:57:27,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 766 places, 772 transitions, 45830 flow [2021-03-26 03:57:28,428 INFO L129 PetriNetUnfolder]: 289/3845 cut-off events. [2021-03-26 03:57:28,428 INFO L130 PetriNetUnfolder]: For 275900/276066 co-relation queries the response was YES. [2021-03-26 03:57:28,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38368 conditions, 3845 events. 289/3845 cut-off events. For 275900/276066 co-relation queries the response was YES. Maximal size of possible extension queue 690. Compared 58755 event pairs, 0 based on Foata normal form. 1/3760 useless extension candidates. Maximal degree in co-relation 38164. Up to 578 conditions per place. [2021-03-26 03:57:28,531 INFO L142 LiptonReduction]: Number of co-enabled transitions 4602 [2021-03-26 03:57:28,627 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:57:28,627 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:57:28,627 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1209 [2021-03-26 03:57:28,627 INFO L480 AbstractCegarLoop]: Abstraction has has 766 places, 772 transitions, 45830 flow [2021-03-26 03:57:28,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:28,627 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:57:28,627 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:57:28,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2021-03-26 03:57:28,627 INFO L428 AbstractCegarLoop]: === Iteration 209 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:57:28,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:57:28,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1252130268, now seen corresponding path program 205 times [2021-03-26 03:57:28,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:57:28,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636792684] [2021-03-26 03:57:28,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:57:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:57:28,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:28,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:57:28,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:28,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:57:28,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:28,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:57:28,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:28,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:57:28,653 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:57:28,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:57:28,675 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:57:28,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:57:28,693 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:57:28,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:57:28,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:57:28,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636792684] [2021-03-26 03:57:28,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:57:28,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:57:28,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415030331] [2021-03-26 03:57:28,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:57:28,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:57:28,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:57:28,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:57:28,712 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:57:28,712 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 766 places, 772 transitions, 45830 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:28,712 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:57:28,712 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:57:28,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:57:30,654 INFO L129 PetriNetUnfolder]: 302/3869 cut-off events. [2021-03-26 03:57:30,654 INFO L130 PetriNetUnfolder]: For 279820/279937 co-relation queries the response was YES. [2021-03-26 03:57:30,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40114 conditions, 3869 events. 302/3869 cut-off events. For 279820/279937 co-relation queries the response was YES. Maximal size of possible extension queue 691. Compared 58604 event pairs, 13 based on Foata normal form. 16/3833 useless extension candidates. Maximal degree in co-relation 39909. Up to 681 conditions per place. [2021-03-26 03:57:30,720 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 428 selfloop transitions, 333 changer transitions 3/778 dead transitions. [2021-03-26 03:57:30,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 773 places, 778 transitions, 47539 flow [2021-03-26 03:57:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:57:30,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:57:30,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 03:57:30,721 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 03:57:30,721 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 03:57:30,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 03:57:30,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:57:30,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 03:57:30,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:30,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:30,722 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:30,722 INFO L185 Difference]: Start difference. First operand has 766 places, 772 transitions, 45830 flow. Second operand 8 states and 466 transitions. [2021-03-26 03:57:30,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 773 places, 778 transitions, 47539 flow [2021-03-26 03:57:33,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 767 places, 778 transitions, 47025 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 03:57:33,128 INFO L241 Difference]: Finished difference. Result has 769 places, 770 transitions, 45892 flow [2021-03-26 03:57:33,129 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45328, PETRI_DIFFERENCE_MINUEND_PLACES=760, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=772, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=333, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45892, PETRI_PLACES=769, PETRI_TRANSITIONS=770} [2021-03-26 03:57:33,129 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 731 predicate places. [2021-03-26 03:57:33,129 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:57:33,129 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 769 places, 770 transitions, 45892 flow [2021-03-26 03:57:33,129 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 769 places, 770 transitions, 45892 flow [2021-03-26 03:57:33,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 767 places, 770 transitions, 45892 flow [2021-03-26 03:57:34,170 INFO L129 PetriNetUnfolder]: 288/3834 cut-off events. [2021-03-26 03:57:34,170 INFO L130 PetriNetUnfolder]: For 272996/273186 co-relation queries the response was YES. [2021-03-26 03:57:34,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38063 conditions, 3834 events. 288/3834 cut-off events. For 272996/273186 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58543 event pairs, 0 based on Foata normal form. 0/3745 useless extension candidates. Maximal degree in co-relation 37860. Up to 576 conditions per place. [2021-03-26 03:57:34,273 INFO L142 LiptonReduction]: Number of co-enabled transitions 4598 [2021-03-26 03:57:34,368 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:57:34,368 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:57:34,369 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1240 [2021-03-26 03:57:34,369 INFO L480 AbstractCegarLoop]: Abstraction has has 767 places, 770 transitions, 45892 flow [2021-03-26 03:57:34,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:34,369 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:57:34,369 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:57:34,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2021-03-26 03:57:34,369 INFO L428 AbstractCegarLoop]: === Iteration 210 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:57:34,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:57:34,369 INFO L82 PathProgramCache]: Analyzing trace with hash -894040492, now seen corresponding path program 206 times [2021-03-26 03:57:34,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:57:34,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762192194] [2021-03-26 03:57:34,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:57:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:57:34,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:34,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:57:34,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:34,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:57:34,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:34,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:57:34,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:34,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:57:34,395 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:57:34,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:57:34,409 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:57:34,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:57:34,428 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:57:34,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:57:34,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:57:34,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762192194] [2021-03-26 03:57:34,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:57:34,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:57:34,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940240753] [2021-03-26 03:57:34,447 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:57:34,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:57:34,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:57:34,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:57:34,447 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:57:34,448 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 767 places, 770 transitions, 45892 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:34,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:57:34,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:57:34,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:57:36,394 INFO L129 PetriNetUnfolder]: 301/3858 cut-off events. [2021-03-26 03:57:36,394 INFO L130 PetriNetUnfolder]: For 276235/276352 co-relation queries the response was YES. [2021-03-26 03:57:36,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39806 conditions, 3858 events. 301/3858 cut-off events. For 276235/276352 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58403 event pairs, 13 based on Foata normal form. 16/3822 useless extension candidates. Maximal degree in co-relation 39602. Up to 681 conditions per place. [2021-03-26 03:57:36,470 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 431 selfloop transitions, 329 changer transitions 2/776 dead transitions. [2021-03-26 03:57:36,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 774 places, 776 transitions, 47562 flow [2021-03-26 03:57:36,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:57:36,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:57:36,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:57:36,471 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:57:36,471 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:57:36,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:57:36,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:57:36,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:57:36,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:36,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:36,471 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:36,472 INFO L185 Difference]: Start difference. First operand has 767 places, 770 transitions, 45892 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:57:36,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 774 places, 776 transitions, 47562 flow [2021-03-26 03:57:38,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 769 places, 776 transitions, 46925 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-03-26 03:57:38,973 INFO L241 Difference]: Finished difference. Result has 771 places, 770 transitions, 45923 flow [2021-03-26 03:57:38,973 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45263, PETRI_DIFFERENCE_MINUEND_PLACES=762, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45923, PETRI_PLACES=771, PETRI_TRANSITIONS=770} [2021-03-26 03:57:38,973 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 733 predicate places. [2021-03-26 03:57:38,973 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:57:38,973 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 771 places, 770 transitions, 45923 flow [2021-03-26 03:57:38,974 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 771 places, 770 transitions, 45923 flow [2021-03-26 03:57:38,987 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 770 places, 770 transitions, 45923 flow [2021-03-26 03:57:39,972 INFO L129 PetriNetUnfolder]: 287/3824 cut-off events. [2021-03-26 03:57:39,973 INFO L130 PetriNetUnfolder]: For 273198/273388 co-relation queries the response was YES. [2021-03-26 03:57:40,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38041 conditions, 3824 events. 287/3824 cut-off events. For 273198/273388 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58281 event pairs, 0 based on Foata normal form. 0/3737 useless extension candidates. Maximal degree in co-relation 37838. Up to 574 conditions per place. [2021-03-26 03:57:40,075 INFO L142 LiptonReduction]: Number of co-enabled transitions 4598 [2021-03-26 03:57:40,171 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:57:40,171 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:57:40,171 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1198 [2021-03-26 03:57:40,171 INFO L480 AbstractCegarLoop]: Abstraction has has 770 places, 770 transitions, 45923 flow [2021-03-26 03:57:40,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:40,172 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:57:40,172 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:57:40,172 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2021-03-26 03:57:40,172 INFO L428 AbstractCegarLoop]: === Iteration 211 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:57:40,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:57:40,172 INFO L82 PathProgramCache]: Analyzing trace with hash 2088337376, now seen corresponding path program 207 times [2021-03-26 03:57:40,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:57:40,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518478034] [2021-03-26 03:57:40,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:57:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:57:40,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:40,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:57:40,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:40,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:57:40,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:40,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:57:40,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:40,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:57:40,198 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:57:40,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:57:40,212 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:57:40,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:57:40,231 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:57:40,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:57:40,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:57:40,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518478034] [2021-03-26 03:57:40,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:57:40,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:57:40,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749621547] [2021-03-26 03:57:40,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:57:40,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:57:40,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:57:40,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:57:40,250 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:57:40,250 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 770 places, 770 transitions, 45923 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:40,250 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:57:40,251 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:57:40,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:57:42,243 INFO L129 PetriNetUnfolder]: 300/3848 cut-off events. [2021-03-26 03:57:42,243 INFO L130 PetriNetUnfolder]: For 276498/276617 co-relation queries the response was YES. [2021-03-26 03:57:42,300 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39781 conditions, 3848 events. 300/3848 cut-off events. For 276498/276617 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 58241 event pairs, 13 based on Foata normal form. 17/3813 useless extension candidates. Maximal degree in co-relation 39577. Up to 681 conditions per place. [2021-03-26 03:57:42,309 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 429 selfloop transitions, 328 changer transitions 3/774 dead transitions. [2021-03-26 03:57:42,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 777 places, 774 transitions, 47515 flow [2021-03-26 03:57:42,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:57:42,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:57:42,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 03:57:42,310 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 03:57:42,310 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 03:57:42,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 03:57:42,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:57:42,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 03:57:42,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:42,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:42,311 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:42,311 INFO L185 Difference]: Start difference. First operand has 770 places, 770 transitions, 45923 flow. Second operand 8 states and 466 transitions. [2021-03-26 03:57:42,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 777 places, 774 transitions, 47515 flow [2021-03-26 03:57:44,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 773 places, 774 transitions, 46893 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-26 03:57:44,636 INFO L241 Difference]: Finished difference. Result has 774 places, 767 transitions, 45803 flow [2021-03-26 03:57:44,636 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45309, PETRI_DIFFERENCE_MINUEND_PLACES=766, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=328, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45803, PETRI_PLACES=774, PETRI_TRANSITIONS=767} [2021-03-26 03:57:44,636 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 736 predicate places. [2021-03-26 03:57:44,636 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:57:44,636 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 774 places, 767 transitions, 45803 flow [2021-03-26 03:57:44,636 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 774 places, 767 transitions, 45803 flow [2021-03-26 03:57:44,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 772 places, 767 transitions, 45803 flow [2021-03-26 03:57:45,639 INFO L129 PetriNetUnfolder]: 286/3813 cut-off events. [2021-03-26 03:57:45,640 INFO L130 PetriNetUnfolder]: For 271999/272116 co-relation queries the response was YES. [2021-03-26 03:57:45,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37988 conditions, 3813 events. 286/3813 cut-off events. For 271999/272116 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57951 event pairs, 0 based on Foata normal form. 1/3759 useless extension candidates. Maximal degree in co-relation 37785. Up to 572 conditions per place. [2021-03-26 03:57:45,742 INFO L142 LiptonReduction]: Number of co-enabled transitions 4586 [2021-03-26 03:57:45,832 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:57:45,833 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:57:45,833 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1197 [2021-03-26 03:57:45,833 INFO L480 AbstractCegarLoop]: Abstraction has has 772 places, 767 transitions, 45803 flow [2021-03-26 03:57:45,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:45,833 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:57:45,833 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:57:45,833 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2021-03-26 03:57:45,833 INFO L428 AbstractCegarLoop]: === Iteration 212 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:57:45,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:57:45,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1991101748, now seen corresponding path program 208 times [2021-03-26 03:57:45,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:57:45,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607348865] [2021-03-26 03:57:45,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:57:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:57:45,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:45,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:57:45,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:45,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:57:45,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:45,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:57:45,851 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:57:45,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:57:45,861 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:57:45,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:57:45,876 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:57:45,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:57:45,895 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:57:45,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:57:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:57:45,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607348865] [2021-03-26 03:57:45,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:57:45,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:57:45,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134599068] [2021-03-26 03:57:45,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:57:45,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:57:45,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:57:45,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:57:45,915 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:57:45,915 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 772 places, 767 transitions, 45803 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:45,915 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:57:45,915 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:57:45,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:57:47,844 INFO L129 PetriNetUnfolder]: 299/3837 cut-off events. [2021-03-26 03:57:47,844 INFO L130 PetriNetUnfolder]: For 275762/275881 co-relation queries the response was YES. [2021-03-26 03:57:47,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39724 conditions, 3837 events. 299/3837 cut-off events. For 275762/275881 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 58016 event pairs, 13 based on Foata normal form. 13/3798 useless extension candidates. Maximal degree in co-relation 39520. Up to 731 conditions per place. [2021-03-26 03:57:47,911 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 466 selfloop transitions, 319 changer transitions 0/799 dead transitions. [2021-03-26 03:57:47,911 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 779 places, 799 transitions, 48809 flow [2021-03-26 03:57:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:57:47,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:57:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:57:47,912 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:57:47,912 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:57:47,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:57:47,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:57:47,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:57:47,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:47,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:47,913 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:47,913 INFO L185 Difference]: Start difference. First operand has 772 places, 767 transitions, 45803 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:57:47,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 779 places, 799 transitions, 48809 flow [2021-03-26 03:57:50,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 774 places, 799 transitions, 48148 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 03:57:50,282 INFO L241 Difference]: Finished difference. Result has 777 places, 789 transitions, 47157 flow [2021-03-26 03:57:50,283 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45150, PETRI_DIFFERENCE_MINUEND_PLACES=767, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=767, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=297, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47157, PETRI_PLACES=777, PETRI_TRANSITIONS=789} [2021-03-26 03:57:50,283 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 739 predicate places. [2021-03-26 03:57:50,283 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:57:50,283 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 777 places, 789 transitions, 47157 flow [2021-03-26 03:57:50,283 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 777 places, 789 transitions, 47157 flow [2021-03-26 03:57:50,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 777 places, 789 transitions, 47157 flow [2021-03-26 03:57:51,392 INFO L129 PetriNetUnfolder]: 286/3812 cut-off events. [2021-03-26 03:57:51,392 INFO L130 PetriNetUnfolder]: For 277805/277983 co-relation queries the response was YES. [2021-03-26 03:57:51,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38112 conditions, 3812 events. 286/3812 cut-off events. For 277805/277983 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 58162 event pairs, 0 based on Foata normal form. 0/3720 useless extension candidates. Maximal degree in co-relation 37907. Up to 572 conditions per place. [2021-03-26 03:57:51,496 INFO L142 LiptonReduction]: Number of co-enabled transitions 4694 [2021-03-26 03:57:51,594 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:57:51,594 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:57:51,594 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1311 [2021-03-26 03:57:51,594 INFO L480 AbstractCegarLoop]: Abstraction has has 777 places, 789 transitions, 47157 flow [2021-03-26 03:57:51,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:51,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:57:51,595 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:57:51,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2021-03-26 03:57:51,595 INFO L428 AbstractCegarLoop]: === Iteration 213 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:57:51,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:57:51,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1710119784, now seen corresponding path program 209 times [2021-03-26 03:57:51,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:57:51,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992763796] [2021-03-26 03:57:51,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:57:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:57:51,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:51,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:57:51,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:51,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:57:51,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:51,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:57:51,612 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:57:51,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:57:51,622 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:57:51,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:57:51,636 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:57:51,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:57:51,655 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:57:51,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:57:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:57:51,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992763796] [2021-03-26 03:57:51,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:57:51,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:57:51,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708478901] [2021-03-26 03:57:51,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:57:51,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:57:51,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:57:51,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:57:51,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:57:51,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 777 places, 789 transitions, 47157 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:51,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:57:51,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:57:51,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:57:53,648 INFO L129 PetriNetUnfolder]: 299/3836 cut-off events. [2021-03-26 03:57:53,648 INFO L130 PetriNetUnfolder]: For 281115/281234 co-relation queries the response was YES. [2021-03-26 03:57:53,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39847 conditions, 3836 events. 299/3836 cut-off events. For 281115/281234 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57959 event pairs, 13 based on Foata normal form. 13/3797 useless extension candidates. Maximal degree in co-relation 39641. Up to 731 conditions per place. [2021-03-26 03:57:53,714 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 468 selfloop transitions, 317 changer transitions 0/799 dead transitions. [2021-03-26 03:57:53,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 784 places, 799 transitions, 49051 flow [2021-03-26 03:57:53,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:57:53,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:57:53,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:57:53,715 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:57:53,715 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:57:53,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:57:53,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:57:53,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:57:53,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:53,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:53,716 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:53,716 INFO L185 Difference]: Start difference. First operand has 777 places, 789 transitions, 47157 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:57:53,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 784 places, 799 transitions, 49051 flow [2021-03-26 03:57:56,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 781 places, 799 transitions, 48387 flow, removed 59 selfloop flow, removed 3 redundant places. [2021-03-26 03:57:56,177 INFO L241 Difference]: Finished difference. Result has 782 places, 789 transitions, 47130 flow [2021-03-26 03:57:56,177 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46493, PETRI_DIFFERENCE_MINUEND_PLACES=774, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=789, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=317, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47130, PETRI_PLACES=782, PETRI_TRANSITIONS=789} [2021-03-26 03:57:56,177 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 744 predicate places. [2021-03-26 03:57:56,177 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:57:56,177 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 782 places, 789 transitions, 47130 flow [2021-03-26 03:57:56,178 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 782 places, 789 transitions, 47130 flow [2021-03-26 03:57:56,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 782 places, 789 transitions, 47130 flow [2021-03-26 03:57:57,259 INFO L129 PetriNetUnfolder]: 286/3811 cut-off events. [2021-03-26 03:57:57,259 INFO L130 PetriNetUnfolder]: For 279176/279342 co-relation queries the response was YES. [2021-03-26 03:57:57,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38465 conditions, 3811 events. 286/3811 cut-off events. For 279176/279342 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 58179 event pairs, 0 based on Foata normal form. 1/3721 useless extension candidates. Maximal degree in co-relation 38259. Up to 572 conditions per place. [2021-03-26 03:57:57,363 INFO L142 LiptonReduction]: Number of co-enabled transitions 4694 [2021-03-26 03:57:57,463 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:57:57,463 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:57:57,464 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1287 [2021-03-26 03:57:57,464 INFO L480 AbstractCegarLoop]: Abstraction has has 782 places, 789 transitions, 47130 flow [2021-03-26 03:57:57,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:57,464 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:57:57,464 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:57:57,464 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2021-03-26 03:57:57,464 INFO L428 AbstractCegarLoop]: === Iteration 214 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:57:57,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:57:57,464 INFO L82 PathProgramCache]: Analyzing trace with hash 371220452, now seen corresponding path program 210 times [2021-03-26 03:57:57,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:57:57,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630006117] [2021-03-26 03:57:57,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:57:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:57:57,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:57,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:57:57,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:57,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:57:57,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:57:57,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:57:57,481 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:57:57,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:57:57,491 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:57:57,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:57:57,505 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:57:57,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:57:57,524 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:57:57,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:57:57,542 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 03:57:57,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630006117] [2021-03-26 03:57:57,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:57:57,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:57:57,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241617841] [2021-03-26 03:57:57,542 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:57:57,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:57:57,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:57:57,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:57:57,543 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:57:57,543 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 782 places, 789 transitions, 47130 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:57,543 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:57:57,543 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:57:57,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:57:59,478 INFO L129 PetriNetUnfolder]: 299/3835 cut-off events. [2021-03-26 03:57:59,478 INFO L130 PetriNetUnfolder]: For 283074/283193 co-relation queries the response was YES. [2021-03-26 03:57:59,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40198 conditions, 3835 events. 299/3835 cut-off events. For 283074/283193 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57956 event pairs, 13 based on Foata normal form. 13/3796 useless extension candidates. Maximal degree in co-relation 39991. Up to 731 conditions per place. [2021-03-26 03:57:59,543 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 474 selfloop transitions, 311 changer transitions 0/799 dead transitions. [2021-03-26 03:57:59,544 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 789 places, 799 transitions, 49032 flow [2021-03-26 03:57:59,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:57:59,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:57:59,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:57:59,544 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:57:59,544 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:57:59,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:57:59,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:57:59,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:57:59,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:59,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:59,545 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:59,545 INFO L185 Difference]: Start difference. First operand has 782 places, 789 transitions, 47130 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:57:59,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 789 places, 799 transitions, 49032 flow [2021-03-26 03:58:01,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 786 places, 799 transitions, 48552 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-03-26 03:58:01,998 INFO L241 Difference]: Finished difference. Result has 787 places, 789 transitions, 47275 flow [2021-03-26 03:58:01,999 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46650, PETRI_DIFFERENCE_MINUEND_PLACES=779, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=789, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47275, PETRI_PLACES=787, PETRI_TRANSITIONS=789} [2021-03-26 03:58:01,999 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 749 predicate places. [2021-03-26 03:58:01,999 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:58:01,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 787 places, 789 transitions, 47275 flow [2021-03-26 03:58:01,999 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 787 places, 789 transitions, 47275 flow [2021-03-26 03:58:02,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 787 places, 789 transitions, 47275 flow [2021-03-26 03:58:03,037 INFO L129 PetriNetUnfolder]: 286/3810 cut-off events. [2021-03-26 03:58:03,037 INFO L130 PetriNetUnfolder]: For 283351/283517 co-relation queries the response was YES. [2021-03-26 03:58:03,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38966 conditions, 3810 events. 286/3810 cut-off events. For 283351/283517 co-relation queries the response was YES. Maximal size of possible extension queue 687. Compared 58153 event pairs, 0 based on Foata normal form. 1/3720 useless extension candidates. Maximal degree in co-relation 38759. Up to 572 conditions per place. [2021-03-26 03:58:03,145 INFO L142 LiptonReduction]: Number of co-enabled transitions 4694 [2021-03-26 03:58:03,246 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:58:03,247 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:58:03,247 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1248 [2021-03-26 03:58:03,247 INFO L480 AbstractCegarLoop]: Abstraction has has 787 places, 789 transitions, 47275 flow [2021-03-26 03:58:03,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:03,247 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:58:03,247 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:58:03,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2021-03-26 03:58:03,247 INFO L428 AbstractCegarLoop]: === Iteration 215 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:58:03,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:58:03,247 INFO L82 PathProgramCache]: Analyzing trace with hash 363060258, now seen corresponding path program 211 times [2021-03-26 03:58:03,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:58:03,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978051471] [2021-03-26 03:58:03,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:58:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:58:03,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:03,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:58:03,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:03,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:58:03,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:03,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:58:03,263 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:58:03,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:58:03,273 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:58:03,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:58:03,287 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:58:03,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:58:03,306 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:58:03,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:58:03,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:58:03,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978051471] [2021-03-26 03:58:03,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:58:03,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:58:03,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296114358] [2021-03-26 03:58:03,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:58:03,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:58:03,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:58:03,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:58:03,325 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:58:03,325 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 787 places, 789 transitions, 47275 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:03,325 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:58:03,325 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:58:03,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:58:05,235 INFO L129 PetriNetUnfolder]: 299/3834 cut-off events. [2021-03-26 03:58:05,235 INFO L130 PetriNetUnfolder]: For 287448/287565 co-relation queries the response was YES. [2021-03-26 03:58:05,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40697 conditions, 3834 events. 299/3834 cut-off events. For 287448/287565 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57973 event pairs, 13 based on Foata normal form. 12/3794 useless extension candidates. Maximal degree in co-relation 40489. Up to 731 conditions per place. [2021-03-26 03:58:05,300 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 474 selfloop transitions, 311 changer transitions 0/799 dead transitions. [2021-03-26 03:58:05,301 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 794 places, 799 transitions, 49185 flow [2021-03-26 03:58:05,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:58:05,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:58:05,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:58:05,302 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:58:05,302 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:58:05,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:58:05,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:58:05,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:58:05,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:05,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:05,302 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:05,302 INFO L185 Difference]: Start difference. First operand has 787 places, 789 transitions, 47275 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:58:05,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 794 places, 799 transitions, 49185 flow [2021-03-26 03:58:07,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 791 places, 799 transitions, 48611 flow, removed 21 selfloop flow, removed 3 redundant places. [2021-03-26 03:58:07,697 INFO L241 Difference]: Finished difference. Result has 792 places, 789 transitions, 47326 flow [2021-03-26 03:58:07,698 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46701, PETRI_DIFFERENCE_MINUEND_PLACES=784, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=789, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47326, PETRI_PLACES=792, PETRI_TRANSITIONS=789} [2021-03-26 03:58:07,698 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 754 predicate places. [2021-03-26 03:58:07,698 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:58:07,698 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 792 places, 789 transitions, 47326 flow [2021-03-26 03:58:07,698 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 792 places, 789 transitions, 47326 flow [2021-03-26 03:58:07,711 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 792 places, 789 transitions, 47326 flow [2021-03-26 03:58:08,708 INFO L129 PetriNetUnfolder]: 286/3809 cut-off events. [2021-03-26 03:58:08,708 INFO L130 PetriNetUnfolder]: For 286466/286658 co-relation queries the response was YES. [2021-03-26 03:58:08,765 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39379 conditions, 3809 events. 286/3809 cut-off events. For 286466/286658 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 58158 event pairs, 0 based on Foata normal form. 0/3718 useless extension candidates. Maximal degree in co-relation 39171. Up to 572 conditions per place. [2021-03-26 03:58:08,810 INFO L142 LiptonReduction]: Number of co-enabled transitions 4694 [2021-03-26 03:58:08,907 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:58:08,907 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:58:08,907 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1209 [2021-03-26 03:58:08,908 INFO L480 AbstractCegarLoop]: Abstraction has has 792 places, 789 transitions, 47326 flow [2021-03-26 03:58:08,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:08,908 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:58:08,908 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:58:08,908 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2021-03-26 03:58:08,908 INFO L428 AbstractCegarLoop]: === Iteration 216 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:58:08,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:58:08,908 INFO L82 PathProgramCache]: Analyzing trace with hash -816166160, now seen corresponding path program 212 times [2021-03-26 03:58:08,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:58:08,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974194294] [2021-03-26 03:58:08,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:58:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:58:08,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:08,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:58:08,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:08,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:58:08,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:08,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:58:08,946 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:58:08,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:58:08,964 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:58:08,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:58:08,985 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:58:08,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:58:09,004 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:58:09,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:58:09,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:58:09,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974194294] [2021-03-26 03:58:09,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:58:09,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:58:09,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665533467] [2021-03-26 03:58:09,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:58:09,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:58:09,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:58:09,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:58:09,023 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:58:09,023 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 792 places, 789 transitions, 47326 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:09,023 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:58:09,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:58:09,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:58:10,889 INFO L129 PetriNetUnfolder]: 299/3833 cut-off events. [2021-03-26 03:58:10,889 INFO L130 PetriNetUnfolder]: For 290832/290951 co-relation queries the response was YES. [2021-03-26 03:58:10,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41108 conditions, 3833 events. 299/3833 cut-off events. For 290832/290951 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 58032 event pairs, 13 based on Foata normal form. 13/3794 useless extension candidates. Maximal degree in co-relation 40899. Up to 731 conditions per place. [2021-03-26 03:58:10,954 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 466 selfloop transitions, 317 changer transitions 2/799 dead transitions. [2021-03-26 03:58:10,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 799 places, 799 transitions, 49244 flow [2021-03-26 03:58:10,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:58:10,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:58:10,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:58:10,955 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:58:10,955 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:58:10,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:58:10,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:58:10,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:58:10,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:10,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:10,956 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:10,956 INFO L185 Difference]: Start difference. First operand has 792 places, 789 transitions, 47326 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:58:10,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 799 places, 799 transitions, 49244 flow [2021-03-26 03:58:13,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 795 places, 799 transitions, 48647 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 03:58:13,335 INFO L241 Difference]: Finished difference. Result has 797 places, 793 transitions, 47642 flow [2021-03-26 03:58:13,335 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46729, PETRI_DIFFERENCE_MINUEND_PLACES=788, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=789, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47642, PETRI_PLACES=797, PETRI_TRANSITIONS=793} [2021-03-26 03:58:13,335 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 759 predicate places. [2021-03-26 03:58:13,335 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:58:13,335 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 797 places, 793 transitions, 47642 flow [2021-03-26 03:58:13,335 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 797 places, 793 transitions, 47642 flow [2021-03-26 03:58:13,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 796 places, 793 transitions, 47642 flow [2021-03-26 03:58:14,351 INFO L129 PetriNetUnfolder]: 285/3799 cut-off events. [2021-03-26 03:58:14,351 INFO L130 PetriNetUnfolder]: For 293024/293216 co-relation queries the response was YES. [2021-03-26 03:58:14,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39751 conditions, 3799 events. 285/3799 cut-off events. For 293024/293216 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 57963 event pairs, 0 based on Foata normal form. 0/3704 useless extension candidates. Maximal degree in co-relation 39541. Up to 570 conditions per place. [2021-03-26 03:58:14,452 INFO L142 LiptonReduction]: Number of co-enabled transitions 4706 [2021-03-26 03:58:14,551 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:58:14,551 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:58:14,552 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1217 [2021-03-26 03:58:14,552 INFO L480 AbstractCegarLoop]: Abstraction has has 796 places, 793 transitions, 47642 flow [2021-03-26 03:58:14,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:14,552 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:58:14,552 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:58:14,552 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2021-03-26 03:58:14,552 INFO L428 AbstractCegarLoop]: === Iteration 217 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:58:14,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:58:14,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1228018818, now seen corresponding path program 213 times [2021-03-26 03:58:14,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:58:14,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948840821] [2021-03-26 03:58:14,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:58:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:58:14,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:14,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:58:14,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:14,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:58:14,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:14,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:58:14,569 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:58:14,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:58:14,579 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:58:14,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:58:14,604 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:58:14,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:58:14,622 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:58:14,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:58:14,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:58:14,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948840821] [2021-03-26 03:58:14,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:58:14,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:58:14,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018432937] [2021-03-26 03:58:14,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:58:14,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:58:14,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:58:14,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:58:14,641 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:58:14,641 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 796 places, 793 transitions, 47642 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:14,641 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:58:14,641 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:58:14,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:58:16,527 INFO L129 PetriNetUnfolder]: 298/3823 cut-off events. [2021-03-26 03:58:16,528 INFO L130 PetriNetUnfolder]: For 297761/297880 co-relation queries the response was YES. [2021-03-26 03:58:16,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41476 conditions, 3823 events. 298/3823 cut-off events. For 297761/297880 co-relation queries the response was YES. Maximal size of possible extension queue 684. Compared 57813 event pairs, 13 based on Foata normal form. 13/3784 useless extension candidates. Maximal degree in co-relation 41265. Up to 731 conditions per place. [2021-03-26 03:58:16,595 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 465 selfloop transitions, 318 changer transitions 0/797 dead transitions. [2021-03-26 03:58:16,595 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 803 places, 797 transitions, 49312 flow [2021-03-26 03:58:16,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:58:16,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:58:16,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:58:16,596 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:58:16,596 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:58:16,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:58:16,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:58:16,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:58:16,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:16,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:16,597 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:16,597 INFO L185 Difference]: Start difference. First operand has 796 places, 793 transitions, 47642 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:58:16,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 803 places, 797 transitions, 49312 flow [2021-03-26 03:58:19,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 800 places, 797 transitions, 49042 flow, removed 19 selfloop flow, removed 3 redundant places. [2021-03-26 03:58:19,043 INFO L241 Difference]: Finished difference. Result has 801 places, 793 transitions, 48019 flow [2021-03-26 03:58:19,043 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=47380, PETRI_DIFFERENCE_MINUEND_PLACES=793, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=793, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=318, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=48019, PETRI_PLACES=801, PETRI_TRANSITIONS=793} [2021-03-26 03:58:19,043 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 763 predicate places. [2021-03-26 03:58:19,043 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:58:19,043 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 801 places, 793 transitions, 48019 flow [2021-03-26 03:58:19,044 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 801 places, 793 transitions, 48019 flow [2021-03-26 03:58:19,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 801 places, 793 transitions, 48019 flow [2021-03-26 03:58:20,065 INFO L129 PetriNetUnfolder]: 285/3798 cut-off events. [2021-03-26 03:58:20,065 INFO L130 PetriNetUnfolder]: For 294901/295096 co-relation queries the response was YES. [2021-03-26 03:58:20,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40073 conditions, 3798 events. 285/3798 cut-off events. For 294901/295096 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 57929 event pairs, 0 based on Foata normal form. 0/3708 useless extension candidates. Maximal degree in co-relation 39864. Up to 570 conditions per place. [2021-03-26 03:58:20,169 INFO L142 LiptonReduction]: Number of co-enabled transitions 4706 [2021-03-26 03:58:20,268 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:58:20,268 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:58:20,268 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1225 [2021-03-26 03:58:20,268 INFO L480 AbstractCegarLoop]: Abstraction has has 801 places, 793 transitions, 48019 flow [2021-03-26 03:58:20,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:20,269 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:58:20,269 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:58:20,269 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2021-03-26 03:58:20,269 INFO L428 AbstractCegarLoop]: === Iteration 218 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:58:20,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:58:20,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1564298844, now seen corresponding path program 214 times [2021-03-26 03:58:20,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:58:20,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51588021] [2021-03-26 03:58:20,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:58:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:58:20,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:20,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:58:20,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:20,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:58:20,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:20,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:58:20,285 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:58:20,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:58:20,295 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:58:20,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:58:20,321 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:58:20,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:58:20,340 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:58:20,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:58:20,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:58:20,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51588021] [2021-03-26 03:58:20,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:58:20,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:58:20,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712817131] [2021-03-26 03:58:20,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:58:20,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:58:20,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:58:20,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:58:20,359 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:58:20,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 801 places, 793 transitions, 48019 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:20,359 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:58:20,359 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:58:20,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:58:22,207 INFO L129 PetriNetUnfolder]: 298/3822 cut-off events. [2021-03-26 03:58:22,207 INFO L130 PetriNetUnfolder]: For 299519/299638 co-relation queries the response was YES. [2021-03-26 03:58:22,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41797 conditions, 3822 events. 298/3822 cut-off events. For 299519/299638 co-relation queries the response was YES. Maximal size of possible extension queue 684. Compared 57724 event pairs, 13 based on Foata normal form. 13/3783 useless extension candidates. Maximal degree in co-relation 41587. Up to 731 conditions per place. [2021-03-26 03:58:22,275 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 461 selfloop transitions, 310 changer transitions 12/797 dead transitions. [2021-03-26 03:58:22,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 808 places, 797 transitions, 49689 flow [2021-03-26 03:58:22,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:58:22,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:58:22,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:58:22,276 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:58:22,276 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:58:22,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:58:22,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:58:22,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:58:22,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:22,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:22,277 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:22,277 INFO L185 Difference]: Start difference. First operand has 801 places, 793 transitions, 48019 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:58:22,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 808 places, 797 transitions, 49689 flow [2021-03-26 03:58:24,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 805 places, 797 transitions, 49102 flow, removed 28 selfloop flow, removed 3 redundant places. [2021-03-26 03:58:24,760 INFO L241 Difference]: Finished difference. Result has 806 places, 781 transitions, 47088 flow [2021-03-26 03:58:24,760 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=47432, PETRI_DIFFERENCE_MINUEND_PLACES=798, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=793, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=310, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47088, PETRI_PLACES=806, PETRI_TRANSITIONS=781} [2021-03-26 03:58:24,760 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 768 predicate places. [2021-03-26 03:58:24,760 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:58:24,761 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 806 places, 781 transitions, 47088 flow [2021-03-26 03:58:24,761 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 806 places, 781 transitions, 47088 flow [2021-03-26 03:58:24,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 781 transitions, 47088 flow [2021-03-26 03:58:25,805 INFO L129 PetriNetUnfolder]: 284/3755 cut-off events. [2021-03-26 03:58:25,805 INFO L130 PetriNetUnfolder]: For 293046/293227 co-relation queries the response was YES. [2021-03-26 03:58:25,863 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39774 conditions, 3755 events. 284/3755 cut-off events. For 293046/293227 co-relation queries the response was YES. Maximal size of possible extension queue 675. Compared 57126 event pairs, 0 based on Foata normal form. 0/3668 useless extension candidates. Maximal degree in co-relation 39564. Up to 568 conditions per place. [2021-03-26 03:58:25,910 INFO L142 LiptonReduction]: Number of co-enabled transitions 4588 [2021-03-26 03:58:26,007 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:58:26,007 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:58:26,007 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1247 [2021-03-26 03:58:26,008 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 781 transitions, 47088 flow [2021-03-26 03:58:26,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:26,008 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:58:26,008 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:58:26,008 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2021-03-26 03:58:26,008 INFO L428 AbstractCegarLoop]: === Iteration 219 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:58:26,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:58:26,008 INFO L82 PathProgramCache]: Analyzing trace with hash 10160144, now seen corresponding path program 215 times [2021-03-26 03:58:26,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:58:26,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562190131] [2021-03-26 03:58:26,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:58:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:58:26,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:26,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:58:26,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:26,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:58:26,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:26,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:58:26,025 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:58:26,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:58:26,043 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:58:26,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:58:26,064 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:58:26,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:58:26,083 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:58:26,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:58:26,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:58:26,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562190131] [2021-03-26 03:58:26,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:58:26,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:58:26,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872829576] [2021-03-26 03:58:26,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:58:26,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:58:26,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:58:26,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:58:26,102 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:58:26,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 800 places, 781 transitions, 47088 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:26,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:58:26,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:58:26,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:58:27,963 INFO L129 PetriNetUnfolder]: 297/3779 cut-off events. [2021-03-26 03:58:27,964 INFO L130 PetriNetUnfolder]: For 298282/298399 co-relation queries the response was YES. [2021-03-26 03:58:28,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41480 conditions, 3779 events. 297/3779 cut-off events. For 298282/298399 co-relation queries the response was YES. Maximal size of possible extension queue 675. Compared 56960 event pairs, 13 based on Foata normal form. 12/3741 useless extension candidates. Maximal degree in co-relation 41269. Up to 731 conditions per place. [2021-03-26 03:58:28,032 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 459 selfloop transitions, 309 changer transitions 3/785 dead transitions. [2021-03-26 03:58:28,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 785 transitions, 48742 flow [2021-03-26 03:58:28,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:58:28,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:58:28,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:58:28,033 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:58:28,033 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:58:28,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:58:28,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:58:28,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:58:28,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:28,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:28,034 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:28,034 INFO L185 Difference]: Start difference. First operand has 800 places, 781 transitions, 47088 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:58:28,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 785 transitions, 48742 flow [2021-03-26 03:58:30,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 797 places, 785 transitions, 48084 flow, removed 30 selfloop flow, removed 10 redundant places. [2021-03-26 03:58:30,665 INFO L241 Difference]: Finished difference. Result has 798 places, 778 transitions, 46906 flow [2021-03-26 03:58:30,665 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46478, PETRI_DIFFERENCE_MINUEND_PLACES=790, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=781, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=309, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46906, PETRI_PLACES=798, PETRI_TRANSITIONS=778} [2021-03-26 03:58:30,665 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 760 predicate places. [2021-03-26 03:58:30,665 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:58:30,665 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 798 places, 778 transitions, 46906 flow [2021-03-26 03:58:30,666 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 798 places, 778 transitions, 46906 flow [2021-03-26 03:58:30,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 797 places, 778 transitions, 46906 flow [2021-03-26 03:58:31,684 INFO L129 PetriNetUnfolder]: 283/3744 cut-off events. [2021-03-26 03:58:31,684 INFO L130 PetriNetUnfolder]: For 273770/273950 co-relation queries the response was YES. [2021-03-26 03:58:31,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37819 conditions, 3744 events. 283/3744 cut-off events. For 273770/273950 co-relation queries the response was YES. Maximal size of possible extension queue 672. Compared 56948 event pairs, 0 based on Foata normal form. 0/3652 useless extension candidates. Maximal degree in co-relation 37614. Up to 566 conditions per place. [2021-03-26 03:58:31,786 INFO L142 LiptonReduction]: Number of co-enabled transitions 4566 [2021-03-26 03:58:31,883 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:58:31,883 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:58:31,883 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1218 [2021-03-26 03:58:31,883 INFO L480 AbstractCegarLoop]: Abstraction has has 797 places, 778 transitions, 46906 flow [2021-03-26 03:58:31,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:31,883 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:58:31,884 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:58:31,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2021-03-26 03:58:31,884 INFO L428 AbstractCegarLoop]: === Iteration 220 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:58:31,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:58:31,884 INFO L82 PathProgramCache]: Analyzing trace with hash 370743798, now seen corresponding path program 216 times [2021-03-26 03:58:31,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:58:31,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114945093] [2021-03-26 03:58:31,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:58:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:58:31,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:31,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:58:31,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:31,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:58:31,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:31,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:58:31,900 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:58:31,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:58:31,918 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:58:31,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:58:31,933 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:58:31,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:58:31,952 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:58:31,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:58:31,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:58:31,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114945093] [2021-03-26 03:58:31,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:58:31,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:58:31,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384559260] [2021-03-26 03:58:31,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:58:31,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:58:31,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:58:31,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:58:31,971 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:58:31,971 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 797 places, 778 transitions, 46906 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:31,971 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:58:31,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:58:31,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:58:33,785 INFO L129 PetriNetUnfolder]: 296/3768 cut-off events. [2021-03-26 03:58:33,785 INFO L130 PetriNetUnfolder]: For 277048/277165 co-relation queries the response was YES. [2021-03-26 03:58:33,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39526 conditions, 3768 events. 296/3768 cut-off events. For 277048/277165 co-relation queries the response was YES. Maximal size of possible extension queue 672. Compared 56729 event pairs, 13 based on Foata normal form. 12/3730 useless extension candidates. Maximal degree in co-relation 39320. Up to 731 conditions per place. [2021-03-26 03:58:33,850 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 454 selfloop transitions, 314 changer transitions 0/782 dead transitions. [2021-03-26 03:58:33,850 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 804 places, 782 transitions, 48514 flow [2021-03-26 03:58:33,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:58:33,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:58:33,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:58:33,851 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:58:33,851 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:58:33,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:58:33,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:58:33,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:58:33,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:33,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:33,852 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:33,852 INFO L185 Difference]: Start difference. First operand has 797 places, 778 transitions, 46906 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:58:33,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 804 places, 782 transitions, 48514 flow [2021-03-26 03:58:36,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 799 places, 782 transitions, 47906 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-26 03:58:36,183 INFO L241 Difference]: Finished difference. Result has 800 places, 778 transitions, 46937 flow [2021-03-26 03:58:36,184 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46306, PETRI_DIFFERENCE_MINUEND_PLACES=792, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=778, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=314, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46937, PETRI_PLACES=800, PETRI_TRANSITIONS=778} [2021-03-26 03:58:36,184 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 762 predicate places. [2021-03-26 03:58:36,184 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:58:36,184 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 800 places, 778 transitions, 46937 flow [2021-03-26 03:58:36,184 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 800 places, 778 transitions, 46937 flow [2021-03-26 03:58:36,198 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 778 transitions, 46937 flow [2021-03-26 03:58:37,211 INFO L129 PetriNetUnfolder]: 283/3743 cut-off events. [2021-03-26 03:58:37,211 INFO L130 PetriNetUnfolder]: For 273538/273688 co-relation queries the response was YES. [2021-03-26 03:58:37,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37837 conditions, 3743 events. 283/3743 cut-off events. For 273538/273688 co-relation queries the response was YES. Maximal size of possible extension queue 674. Compared 56907 event pairs, 0 based on Foata normal form. 1/3652 useless extension candidates. Maximal degree in co-relation 37632. Up to 566 conditions per place. [2021-03-26 03:58:37,312 INFO L142 LiptonReduction]: Number of co-enabled transitions 4566 [2021-03-26 03:58:37,410 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:58:37,411 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:58:37,411 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1227 [2021-03-26 03:58:37,411 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 778 transitions, 46937 flow [2021-03-26 03:58:37,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:37,411 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:58:37,411 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:58:37,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2021-03-26 03:58:37,411 INFO L428 AbstractCegarLoop]: === Iteration 221 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:58:37,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:58:37,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1191004318, now seen corresponding path program 217 times [2021-03-26 03:58:37,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:58:37,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52976724] [2021-03-26 03:58:37,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:58:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:58:37,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:37,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:58:37,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:37,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:58:37,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:37,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:58:37,428 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:58:37,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:58:37,446 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:58:37,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:58:37,471 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:58:37,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:58:37,491 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:58:37,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:58:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:58:37,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52976724] [2021-03-26 03:58:37,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:58:37,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:58:37,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110882253] [2021-03-26 03:58:37,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:58:37,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:58:37,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:58:37,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:58:37,522 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:58:37,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 800 places, 778 transitions, 46937 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:37,523 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:58:37,523 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:58:37,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:58:39,383 INFO L129 PetriNetUnfolder]: 296/3767 cut-off events. [2021-03-26 03:58:39,384 INFO L130 PetriNetUnfolder]: For 277020/277136 co-relation queries the response was YES. [2021-03-26 03:58:39,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39543 conditions, 3767 events. 296/3767 cut-off events. For 277020/277136 co-relation queries the response was YES. Maximal size of possible extension queue 672. Compared 56730 event pairs, 13 based on Foata normal form. 13/3730 useless extension candidates. Maximal degree in co-relation 39337. Up to 731 conditions per place. [2021-03-26 03:58:39,448 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 451 selfloop transitions, 313 changer transitions 4/782 dead transitions. [2021-03-26 03:58:39,448 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 782 transitions, 48545 flow [2021-03-26 03:58:39,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:58:39,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:58:39,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:58:39,449 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:58:39,449 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:58:39,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:58:39,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:58:39,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:58:39,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:39,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:39,450 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:39,450 INFO L185 Difference]: Start difference. First operand has 800 places, 778 transitions, 46937 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:58:39,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 782 transitions, 48545 flow [2021-03-26 03:58:41,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 801 places, 782 transitions, 47497 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-26 03:58:41,832 INFO L241 Difference]: Finished difference. Result has 802 places, 774 transitions, 46229 flow [2021-03-26 03:58:41,832 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45889, PETRI_DIFFERENCE_MINUEND_PLACES=794, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=778, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=313, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46229, PETRI_PLACES=802, PETRI_TRANSITIONS=774} [2021-03-26 03:58:41,832 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 764 predicate places. [2021-03-26 03:58:41,832 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:58:41,832 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 802 places, 774 transitions, 46229 flow [2021-03-26 03:58:41,832 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 802 places, 774 transitions, 46229 flow [2021-03-26 03:58:41,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 774 transitions, 46229 flow [2021-03-26 03:58:42,824 INFO L129 PetriNetUnfolder]: 282/3726 cut-off events. [2021-03-26 03:58:42,825 INFO L130 PetriNetUnfolder]: For 269774/269948 co-relation queries the response was YES. [2021-03-26 03:58:42,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37712 conditions, 3726 events. 282/3726 cut-off events. For 269774/269948 co-relation queries the response was YES. Maximal size of possible extension queue 669. Compared 56620 event pairs, 0 based on Foata normal form. 0/3633 useless extension candidates. Maximal degree in co-relation 37506. Up to 564 conditions per place. [2021-03-26 03:58:42,930 INFO L142 LiptonReduction]: Number of co-enabled transitions 4530 [2021-03-26 03:58:43,027 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:58:43,028 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:58:43,028 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1196 [2021-03-26 03:58:43,028 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 774 transitions, 46229 flow [2021-03-26 03:58:43,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:43,028 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:58:43,028 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:58:43,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2021-03-26 03:58:43,028 INFO L428 AbstractCegarLoop]: === Iteration 222 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:58:43,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:58:43,028 INFO L82 PathProgramCache]: Analyzing trace with hash 699467228, now seen corresponding path program 218 times [2021-03-26 03:58:43,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:58:43,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663076710] [2021-03-26 03:58:43,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:58:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:58:43,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:43,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:58:43,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:43,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:58:43,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:43,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:58:43,045 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:58:43,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:58:43,063 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:58:43,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:58:43,077 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:58:43,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:58:43,096 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:58:43,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:58:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:58:43,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663076710] [2021-03-26 03:58:43,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:58:43,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:58:43,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822710841] [2021-03-26 03:58:43,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:58:43,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:58:43,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:58:43,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:58:43,115 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:58:43,115 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 800 places, 774 transitions, 46229 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:43,115 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:58:43,115 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:58:43,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:58:44,923 INFO L129 PetriNetUnfolder]: 295/3750 cut-off events. [2021-03-26 03:58:44,923 INFO L130 PetriNetUnfolder]: For 273515/273631 co-relation queries the response was YES. [2021-03-26 03:58:44,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39411 conditions, 3750 events. 295/3750 cut-off events. For 273515/273631 co-relation queries the response was YES. Maximal size of possible extension queue 669. Compared 56404 event pairs, 13 based on Foata normal form. 13/3713 useless extension candidates. Maximal degree in co-relation 39204. Up to 731 conditions per place. [2021-03-26 03:58:44,987 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 463 selfloop transitions, 299 changer transitions 2/778 dead transitions. [2021-03-26 03:58:44,987 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 778 transitions, 47837 flow [2021-03-26 03:58:44,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:58:44,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:58:44,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:58:44,988 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:58:44,988 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:58:44,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:58:44,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:58:44,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:58:44,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:44,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:44,989 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:44,989 INFO L185 Difference]: Start difference. First operand has 800 places, 774 transitions, 46229 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:58:44,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 778 transitions, 47837 flow [2021-03-26 03:58:47,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 800 places, 778 transitions, 47198 flow, removed 13 selfloop flow, removed 7 redundant places. [2021-03-26 03:58:47,261 INFO L241 Difference]: Finished difference. Result has 801 places, 772 transitions, 46080 flow [2021-03-26 03:58:47,262 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45606, PETRI_DIFFERENCE_MINUEND_PLACES=793, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=774, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=299, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46080, PETRI_PLACES=801, PETRI_TRANSITIONS=772} [2021-03-26 03:58:47,262 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 763 predicate places. [2021-03-26 03:58:47,262 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:58:47,262 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 801 places, 772 transitions, 46080 flow [2021-03-26 03:58:47,262 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 801 places, 772 transitions, 46080 flow [2021-03-26 03:58:47,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 772 transitions, 46080 flow [2021-03-26 03:58:48,281 INFO L129 PetriNetUnfolder]: 281/3716 cut-off events. [2021-03-26 03:58:48,281 INFO L130 PetriNetUnfolder]: For 265959/266133 co-relation queries the response was YES. [2021-03-26 03:58:48,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37265 conditions, 3716 events. 281/3716 cut-off events. For 265959/266133 co-relation queries the response was YES. Maximal size of possible extension queue 670. Compared 56422 event pairs, 0 based on Foata normal form. 0/3623 useless extension candidates. Maximal degree in co-relation 37061. Up to 562 conditions per place. [2021-03-26 03:58:48,392 INFO L142 LiptonReduction]: Number of co-enabled transitions 4526 [2021-03-26 03:58:48,489 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:58:48,489 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:58:48,489 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1227 [2021-03-26 03:58:48,489 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 772 transitions, 46080 flow [2021-03-26 03:58:48,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:48,490 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:58:48,490 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:58:48,490 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2021-03-26 03:58:48,490 INFO L428 AbstractCegarLoop]: === Iteration 223 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:58:48,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:58:48,490 INFO L82 PathProgramCache]: Analyzing trace with hash -45807486, now seen corresponding path program 219 times [2021-03-26 03:58:48,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:58:48,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293034243] [2021-03-26 03:58:48,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:58:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:58:48,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:48,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:58:48,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:48,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:58:48,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:48,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:58:48,511 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:58:48,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:58:48,529 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:58:48,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:58:48,544 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:58:48,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:58:48,563 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:58:48,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:58:48,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:58:48,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293034243] [2021-03-26 03:58:48,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:58:48,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:58:48,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133291820] [2021-03-26 03:58:48,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:58:48,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:58:48,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:58:48,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:58:48,582 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:58:48,582 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 800 places, 772 transitions, 46080 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:48,582 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:58:48,582 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:58:48,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:58:50,460 INFO L129 PetriNetUnfolder]: 294/3740 cut-off events. [2021-03-26 03:58:50,461 INFO L130 PetriNetUnfolder]: For 269162/269276 co-relation queries the response was YES. [2021-03-26 03:58:50,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38962 conditions, 3740 events. 294/3740 cut-off events. For 269162/269276 co-relation queries the response was YES. Maximal size of possible extension queue 668. Compared 56223 event pairs, 13 based on Foata normal form. 12/3702 useless extension candidates. Maximal degree in co-relation 38757. Up to 731 conditions per place. [2021-03-26 03:58:50,524 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 460 selfloop transitions, 300 changer transitions 2/776 dead transitions. [2021-03-26 03:58:50,525 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 776 transitions, 47676 flow [2021-03-26 03:58:50,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:58:50,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:58:50,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 03:58:50,525 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 03:58:50,525 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 03:58:50,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 03:58:50,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:58:50,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 03:58:50,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:50,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:50,526 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:50,526 INFO L185 Difference]: Start difference. First operand has 800 places, 772 transitions, 46080 flow. Second operand 8 states and 466 transitions. [2021-03-26 03:58:50,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 776 transitions, 47676 flow [2021-03-26 03:58:52,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 804 places, 776 transitions, 47264 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-26 03:58:52,924 INFO L241 Difference]: Finished difference. Result has 805 places, 770 transitions, 46144 flow [2021-03-26 03:58:52,925 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45676, PETRI_DIFFERENCE_MINUEND_PLACES=797, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=772, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=300, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46144, PETRI_PLACES=805, PETRI_TRANSITIONS=770} [2021-03-26 03:58:52,925 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 767 predicate places. [2021-03-26 03:58:52,925 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:58:52,925 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 805 places, 770 transitions, 46144 flow [2021-03-26 03:58:52,925 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 805 places, 770 transitions, 46144 flow [2021-03-26 03:58:52,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 803 places, 770 transitions, 46144 flow [2021-03-26 03:58:53,899 INFO L129 PetriNetUnfolder]: 280/3706 cut-off events. [2021-03-26 03:58:53,900 INFO L130 PetriNetUnfolder]: For 265802/265952 co-relation queries the response was YES. [2021-03-26 03:58:53,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37357 conditions, 3706 events. 280/3706 cut-off events. For 265802/265952 co-relation queries the response was YES. Maximal size of possible extension queue 667. Compared 56251 event pairs, 0 based on Foata normal form. 1/3615 useless extension candidates. Maximal degree in co-relation 37153. Up to 560 conditions per place. [2021-03-26 03:58:54,001 INFO L142 LiptonReduction]: Number of co-enabled transitions 4516 [2021-03-26 03:58:54,098 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:58:54,098 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:58:54,098 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1173 [2021-03-26 03:58:54,099 INFO L480 AbstractCegarLoop]: Abstraction has has 803 places, 770 transitions, 46144 flow [2021-03-26 03:58:54,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:54,099 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:58:54,099 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:58:54,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2021-03-26 03:58:54,099 INFO L428 AbstractCegarLoop]: === Iteration 224 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:58:54,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:58:54,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1652673100, now seen corresponding path program 220 times [2021-03-26 03:58:54,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:58:54,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250519786] [2021-03-26 03:58:54,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:58:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:58:54,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:54,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:58:54,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:54,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:58:54,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:54,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:58:54,117 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:58:54,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:58:54,135 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:58:54,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:58:54,156 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:58:54,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:58:54,175 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:58:54,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:58:54,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:58:54,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250519786] [2021-03-26 03:58:54,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:58:54,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:58:54,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097346986] [2021-03-26 03:58:54,193 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:58:54,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:58:54,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:58:54,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:58:54,193 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:58:54,193 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 803 places, 770 transitions, 46144 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:54,193 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:58:54,193 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:58:54,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:58:56,034 INFO L129 PetriNetUnfolder]: 293/3730 cut-off events. [2021-03-26 03:58:56,034 INFO L130 PetriNetUnfolder]: For 269230/269344 co-relation queries the response was YES. [2021-03-26 03:58:56,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39051 conditions, 3730 events. 293/3730 cut-off events. For 269230/269344 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 56045 event pairs, 13 based on Foata normal form. 12/3692 useless extension candidates. Maximal degree in co-relation 38846. Up to 731 conditions per place. [2021-03-26 03:58:56,100 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 454 selfloop transitions, 304 changer transitions 2/774 dead transitions. [2021-03-26 03:58:56,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 810 places, 774 transitions, 47736 flow [2021-03-26 03:58:56,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:58:56,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:58:56,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:58:56,101 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:58:56,101 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:58:56,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:58:56,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:58:56,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:58:56,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:56,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:56,102 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:56,102 INFO L185 Difference]: Start difference. First operand has 803 places, 770 transitions, 46144 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:58:56,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 810 places, 774 transitions, 47736 flow [2021-03-26 03:58:58,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 805 places, 774 transitions, 47138 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 03:58:58,379 INFO L241 Difference]: Finished difference. Result has 806 places, 768 transitions, 46020 flow [2021-03-26 03:58:58,379 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45554, PETRI_DIFFERENCE_MINUEND_PLACES=798, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=304, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46020, PETRI_PLACES=806, PETRI_TRANSITIONS=768} [2021-03-26 03:58:58,379 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 768 predicate places. [2021-03-26 03:58:58,379 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:58:58,379 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 806 places, 768 transitions, 46020 flow [2021-03-26 03:58:58,380 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 806 places, 768 transitions, 46020 flow [2021-03-26 03:58:58,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 805 places, 768 transitions, 46020 flow [2021-03-26 03:58:59,359 INFO L129 PetriNetUnfolder]: 279/3696 cut-off events. [2021-03-26 03:58:59,359 INFO L130 PetriNetUnfolder]: For 265164/265314 co-relation queries the response was YES. [2021-03-26 03:58:59,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37277 conditions, 3696 events. 279/3696 cut-off events. For 265164/265314 co-relation queries the response was YES. Maximal size of possible extension queue 662. Compared 56068 event pairs, 0 based on Foata normal form. 1/3605 useless extension candidates. Maximal degree in co-relation 37073. Up to 558 conditions per place. [2021-03-26 03:58:59,459 INFO L142 LiptonReduction]: Number of co-enabled transitions 4498 [2021-03-26 03:58:59,555 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:58:59,555 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:58:59,555 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1176 [2021-03-26 03:58:59,556 INFO L480 AbstractCegarLoop]: Abstraction has has 805 places, 768 transitions, 46020 flow [2021-03-26 03:58:59,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:59,556 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:58:59,556 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:58:59,556 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2021-03-26 03:58:59,556 INFO L428 AbstractCegarLoop]: === Iteration 225 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:58:59,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:58:59,556 INFO L82 PathProgramCache]: Analyzing trace with hash -911473730, now seen corresponding path program 221 times [2021-03-26 03:58:59,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:58:59,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277497342] [2021-03-26 03:58:59,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:58:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:58:59,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:59,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:58:59,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:59,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:58:59,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:59,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:58:59,572 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:58:59,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:58:59,591 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:58:59,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:58:59,611 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:58:59,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:58:59,630 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:58:59,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:58:59,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:58:59,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277497342] [2021-03-26 03:58:59,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:58:59,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:58:59,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982367579] [2021-03-26 03:58:59,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:58:59,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:58:59,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:58:59,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:58:59,649 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:58:59,649 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 805 places, 768 transitions, 46020 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:59,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:58:59,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:58:59,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:59:01,497 INFO L129 PetriNetUnfolder]: 292/3720 cut-off events. [2021-03-26 03:59:01,497 INFO L130 PetriNetUnfolder]: For 268633/268749 co-relation queries the response was YES. [2021-03-26 03:59:01,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38968 conditions, 3720 events. 292/3720 cut-off events. For 268633/268749 co-relation queries the response was YES. Maximal size of possible extension queue 662. Compared 55813 event pairs, 13 based on Foata normal form. 13/3683 useless extension candidates. Maximal degree in co-relation 38763. Up to 731 conditions per place. [2021-03-26 03:59:01,568 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 455 selfloop transitions, 299 changer transitions 3/771 dead transitions. [2021-03-26 03:59:01,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 771 transitions, 47588 flow [2021-03-26 03:59:01,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:59:01,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:59:01,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 03:59:01,569 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 03:59:01,569 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 03:59:01,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 03:59:01,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:59:01,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 03:59:01,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:01,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:01,569 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:01,570 INFO L185 Difference]: Start difference. First operand has 805 places, 768 transitions, 46020 flow. Second operand 8 states and 466 transitions. [2021-03-26 03:59:01,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 771 transitions, 47588 flow [2021-03-26 03:59:03,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 807 places, 771 transitions, 47001 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-26 03:59:03,790 INFO L241 Difference]: Finished difference. Result has 808 places, 765 transitions, 45858 flow [2021-03-26 03:59:03,791 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45439, PETRI_DIFFERENCE_MINUEND_PLACES=800, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=768, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=299, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=469, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45858, PETRI_PLACES=808, PETRI_TRANSITIONS=765} [2021-03-26 03:59:03,791 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 770 predicate places. [2021-03-26 03:59:03,791 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:59:03,791 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 808 places, 765 transitions, 45858 flow [2021-03-26 03:59:03,791 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 808 places, 765 transitions, 45858 flow [2021-03-26 03:59:03,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 805 places, 765 transitions, 45858 flow [2021-03-26 03:59:04,723 INFO L129 PetriNetUnfolder]: 278/3685 cut-off events. [2021-03-26 03:59:04,724 INFO L130 PetriNetUnfolder]: For 262934/263050 co-relation queries the response was YES. [2021-03-26 03:59:04,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37216 conditions, 3685 events. 278/3685 cut-off events. For 262934/263050 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55628 event pairs, 0 based on Foata normal form. 1/3635 useless extension candidates. Maximal degree in co-relation 37013. Up to 556 conditions per place. [2021-03-26 03:59:04,818 INFO L142 LiptonReduction]: Number of co-enabled transitions 4490 [2021-03-26 03:59:04,908 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:59:04,909 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:59:04,909 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1118 [2021-03-26 03:59:04,909 INFO L480 AbstractCegarLoop]: Abstraction has has 805 places, 765 transitions, 45858 flow [2021-03-26 03:59:04,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:04,909 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:59:04,909 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:59:04,909 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2021-03-26 03:59:04,909 INFO L428 AbstractCegarLoop]: === Iteration 226 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:59:04,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:59:04,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1083225230, now seen corresponding path program 222 times [2021-03-26 03:59:04,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:59:04,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941167714] [2021-03-26 03:59:04,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:59:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:59:04,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:04,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:59:04,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:04,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:59:04,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:04,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:59:04,926 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:59:04,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:59:04,945 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:59:04,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:59:04,970 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:59:04,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:59:04,989 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:59:04,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:59:05,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:59:05,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941167714] [2021-03-26 03:59:05,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:59:05,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:59:05,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684801673] [2021-03-26 03:59:05,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:59:05,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:59:05,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:59:05,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:59:05,007 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:59:05,007 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 805 places, 765 transitions, 45858 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:05,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:59:05,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:59:05,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:59:06,874 INFO L129 PetriNetUnfolder]: 291/3709 cut-off events. [2021-03-26 03:59:06,874 INFO L130 PetriNetUnfolder]: For 266498/266614 co-relation queries the response was YES. [2021-03-26 03:59:06,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38903 conditions, 3709 events. 291/3709 cut-off events. For 266498/266614 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55692 event pairs, 13 based on Foata normal form. 13/3672 useless extension candidates. Maximal degree in co-relation 38699. Up to 731 conditions per place. [2021-03-26 03:59:06,936 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 461 selfloop transitions, 292 changer transitions 2/769 dead transitions. [2021-03-26 03:59:06,936 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 769 transitions, 47440 flow [2021-03-26 03:59:06,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:59:06,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:59:06,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:59:06,937 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:59:06,937 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:59:06,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:59:06,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:59:06,937 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:59:06,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:06,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:06,938 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:06,938 INFO L185 Difference]: Start difference. First operand has 805 places, 765 transitions, 45858 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:59:06,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 769 transitions, 47440 flow [2021-03-26 03:59:09,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 805 places, 769 transitions, 46642 flow, removed 11 selfloop flow, removed 7 redundant places. [2021-03-26 03:59:09,055 INFO L241 Difference]: Finished difference. Result has 806 places, 763 transitions, 45514 flow [2021-03-26 03:59:09,055 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45068, PETRI_DIFFERENCE_MINUEND_PLACES=798, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=765, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=292, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=473, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45514, PETRI_PLACES=806, PETRI_TRANSITIONS=763} [2021-03-26 03:59:09,055 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 768 predicate places. [2021-03-26 03:59:09,055 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:59:09,056 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 806 places, 763 transitions, 45514 flow [2021-03-26 03:59:09,056 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 806 places, 763 transitions, 45514 flow [2021-03-26 03:59:09,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 805 places, 763 transitions, 45514 flow [2021-03-26 03:59:09,988 INFO L129 PetriNetUnfolder]: 277/3675 cut-off events. [2021-03-26 03:59:09,988 INFO L130 PetriNetUnfolder]: For 261136/261251 co-relation queries the response was YES. [2021-03-26 03:59:10,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36946 conditions, 3675 events. 277/3675 cut-off events. For 261136/261251 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55532 event pairs, 0 based on Foata normal form. 1/3623 useless extension candidates. Maximal degree in co-relation 36743. Up to 554 conditions per place. [2021-03-26 03:59:10,082 INFO L142 LiptonReduction]: Number of co-enabled transitions 4486 [2021-03-26 03:59:10,172 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:59:10,173 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:59:10,173 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1118 [2021-03-26 03:59:10,173 INFO L480 AbstractCegarLoop]: Abstraction has has 805 places, 763 transitions, 45514 flow [2021-03-26 03:59:10,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:10,173 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:59:10,173 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:59:10,173 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2021-03-26 03:59:10,173 INFO L428 AbstractCegarLoop]: === Iteration 227 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:59:10,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:59:10,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1983543004, now seen corresponding path program 223 times [2021-03-26 03:59:10,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:59:10,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486253628] [2021-03-26 03:59:10,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:59:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:59:10,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:10,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:59:10,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:10,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:59:10,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:10,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:59:10,189 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:59:10,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:59:10,207 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:59:10,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:59:10,232 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:59:10,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:59:10,251 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:59:10,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:59:10,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:59:10,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486253628] [2021-03-26 03:59:10,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:59:10,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:59:10,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884923787] [2021-03-26 03:59:10,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:59:10,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:59:10,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:59:10,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:59:10,270 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:59:10,270 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 805 places, 763 transitions, 45514 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:10,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:59:10,270 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:59:10,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:59:12,131 INFO L129 PetriNetUnfolder]: 290/3699 cut-off events. [2021-03-26 03:59:12,132 INFO L130 PetriNetUnfolder]: For 264868/264982 co-relation queries the response was YES. [2021-03-26 03:59:12,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38630 conditions, 3699 events. 290/3699 cut-off events. For 264868/264982 co-relation queries the response was YES. Maximal size of possible extension queue 660. Compared 55534 event pairs, 13 based on Foata normal form. 12/3661 useless extension candidates. Maximal degree in co-relation 38426. Up to 731 conditions per place. [2021-03-26 03:59:12,192 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 460 selfloop transitions, 291 changer transitions 2/767 dead transitions. [2021-03-26 03:59:12,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 767 transitions, 47092 flow [2021-03-26 03:59:12,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:59:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:59:12,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:59:12,193 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:59:12,193 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:59:12,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:59:12,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:59:12,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:59:12,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:12,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:12,194 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:12,194 INFO L185 Difference]: Start difference. First operand has 805 places, 763 transitions, 45514 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:59:12,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 767 transitions, 47092 flow [2021-03-26 03:59:14,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 807 places, 767 transitions, 46510 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-26 03:59:14,366 INFO L241 Difference]: Finished difference. Result has 808 places, 761 transitions, 45386 flow [2021-03-26 03:59:14,367 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44940, PETRI_DIFFERENCE_MINUEND_PLACES=800, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=763, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=291, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45386, PETRI_PLACES=808, PETRI_TRANSITIONS=761} [2021-03-26 03:59:14,367 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 770 predicate places. [2021-03-26 03:59:14,367 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:59:14,367 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 808 places, 761 transitions, 45386 flow [2021-03-26 03:59:14,367 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 808 places, 761 transitions, 45386 flow [2021-03-26 03:59:14,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 807 places, 761 transitions, 45386 flow [2021-03-26 03:59:15,303 INFO L129 PetriNetUnfolder]: 276/3665 cut-off events. [2021-03-26 03:59:15,303 INFO L130 PetriNetUnfolder]: For 259505/259653 co-relation queries the response was YES. [2021-03-26 03:59:15,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36898 conditions, 3665 events. 276/3665 cut-off events. For 259505/259653 co-relation queries the response was YES. Maximal size of possible extension queue 659. Compared 55325 event pairs, 0 based on Foata normal form. 0/3613 useless extension candidates. Maximal degree in co-relation 36696. Up to 552 conditions per place. [2021-03-26 03:59:15,399 INFO L142 LiptonReduction]: Number of co-enabled transitions 4474 [2021-03-26 03:59:15,489 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:59:15,489 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:59:15,489 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1122 [2021-03-26 03:59:15,489 INFO L480 AbstractCegarLoop]: Abstraction has has 807 places, 761 transitions, 45386 flow [2021-03-26 03:59:15,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:15,489 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:59:15,490 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:59:15,490 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2021-03-26 03:59:15,490 INFO L428 AbstractCegarLoop]: === Iteration 228 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:59:15,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:59:15,490 INFO L82 PathProgramCache]: Analyzing trace with hash -238904126, now seen corresponding path program 224 times [2021-03-26 03:59:15,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:59:15,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504112602] [2021-03-26 03:59:15,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:59:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:59:15,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:15,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:59:15,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:15,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:59:15,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:15,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:59:15,515 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:59:15,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:59:15,534 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:59:15,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:59:15,548 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:59:15,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:59:15,566 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:59:15,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:59:15,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:59:15,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504112602] [2021-03-26 03:59:15,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:59:15,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:59:15,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611896043] [2021-03-26 03:59:15,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:59:15,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:59:15,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:59:15,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:59:15,585 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:59:15,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 807 places, 761 transitions, 45386 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:15,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:59:15,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:59:15,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:59:17,494 INFO L129 PetriNetUnfolder]: 289/3689 cut-off events. [2021-03-26 03:59:17,494 INFO L130 PetriNetUnfolder]: For 262831/262947 co-relation queries the response was YES. [2021-03-26 03:59:17,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38579 conditions, 3689 events. 289/3689 cut-off events. For 262831/262947 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 55297 event pairs, 13 based on Foata normal form. 13/3652 useless extension candidates. Maximal degree in co-relation 38376. Up to 731 conditions per place. [2021-03-26 03:59:17,556 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 450 selfloop transitions, 296 changer transitions 5/765 dead transitions. [2021-03-26 03:59:17,556 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 814 places, 765 transitions, 46960 flow [2021-03-26 03:59:17,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:59:17,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:59:17,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:59:17,558 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:59:17,558 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:59:17,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:59:17,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:59:17,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:59:17,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:17,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:17,559 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:17,559 INFO L185 Difference]: Start difference. First operand has 807 places, 761 transitions, 45386 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:59:17,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 814 places, 765 transitions, 46960 flow [2021-03-26 03:59:19,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 809 places, 765 transitions, 46376 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 03:59:19,712 INFO L241 Difference]: Finished difference. Result has 810 places, 756 transitions, 45054 flow [2021-03-26 03:59:19,713 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44810, PETRI_DIFFERENCE_MINUEND_PLACES=802, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=761, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=296, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45054, PETRI_PLACES=810, PETRI_TRANSITIONS=756} [2021-03-26 03:59:19,713 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 772 predicate places. [2021-03-26 03:59:19,713 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:59:19,713 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 810 places, 756 transitions, 45054 flow [2021-03-26 03:59:19,713 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 810 places, 756 transitions, 45054 flow [2021-03-26 03:59:19,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 806 places, 756 transitions, 45054 flow [2021-03-26 03:59:20,644 INFO L129 PetriNetUnfolder]: 275/3647 cut-off events. [2021-03-26 03:59:20,644 INFO L130 PetriNetUnfolder]: For 257584/257709 co-relation queries the response was YES. [2021-03-26 03:59:20,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36639 conditions, 3647 events. 275/3647 cut-off events. For 257584/257709 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 54898 event pairs, 0 based on Foata normal form. 1/3594 useless extension candidates. Maximal degree in co-relation 36437. Up to 550 conditions per place. [2021-03-26 03:59:20,738 INFO L142 LiptonReduction]: Number of co-enabled transitions 4430 [2021-03-26 03:59:20,825 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:59:20,826 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:59:20,826 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1113 [2021-03-26 03:59:20,826 INFO L480 AbstractCegarLoop]: Abstraction has has 806 places, 756 transitions, 45054 flow [2021-03-26 03:59:20,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:20,826 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:59:20,826 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:59:20,826 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2021-03-26 03:59:20,826 INFO L428 AbstractCegarLoop]: === Iteration 229 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:59:20,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:59:20,826 INFO L82 PathProgramCache]: Analyzing trace with hash 21695256, now seen corresponding path program 225 times [2021-03-26 03:59:20,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:59:20,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120950792] [2021-03-26 03:59:20,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:59:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:59:20,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:20,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:59:20,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:20,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:59:20,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:20,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:59:20,843 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:59:20,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:59:20,853 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:59:20,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:59:20,867 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:59:20,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:59:20,886 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:59:20,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:59:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:59:20,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120950792] [2021-03-26 03:59:20,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:59:20,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:59:20,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614718796] [2021-03-26 03:59:20,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:59:20,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:59:20,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:59:20,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:59:20,904 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:59:20,905 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 806 places, 756 transitions, 45054 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:20,905 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:59:20,905 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:59:20,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:59:22,777 INFO L129 PetriNetUnfolder]: 288/3671 cut-off events. [2021-03-26 03:59:22,777 INFO L130 PetriNetUnfolder]: For 261147/261263 co-relation queries the response was YES. [2021-03-26 03:59:22,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38312 conditions, 3671 events. 288/3671 cut-off events. For 261147/261263 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 55001 event pairs, 13 based on Foata normal form. 13/3635 useless extension candidates. Maximal degree in co-relation 38109. Up to 731 conditions per place. [2021-03-26 03:59:22,835 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 478 selfloop transitions, 280 changer transitions 0/772 dead transitions. [2021-03-26 03:59:22,835 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 813 places, 772 transitions, 47294 flow [2021-03-26 03:59:22,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:59:22,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:59:22,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:59:22,836 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:59:22,836 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:59:22,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:59:22,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:59:22,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:59:22,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:22,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:22,837 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:22,837 INFO L185 Difference]: Start difference. First operand has 806 places, 756 transitions, 45054 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:59:22,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 813 places, 772 transitions, 47294 flow [2021-03-26 03:59:24,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 807 places, 772 transitions, 46674 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-03-26 03:59:24,884 INFO L241 Difference]: Finished difference. Result has 810 places, 765 transitions, 45595 flow [2021-03-26 03:59:24,884 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44464, PETRI_DIFFERENCE_MINUEND_PLACES=800, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=756, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=271, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45595, PETRI_PLACES=810, PETRI_TRANSITIONS=765} [2021-03-26 03:59:24,884 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 772 predicate places. [2021-03-26 03:59:24,884 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:59:24,884 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 810 places, 765 transitions, 45595 flow [2021-03-26 03:59:24,884 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 810 places, 765 transitions, 45595 flow [2021-03-26 03:59:24,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 810 places, 765 transitions, 45595 flow [2021-03-26 03:59:25,823 INFO L129 PetriNetUnfolder]: 275/3646 cut-off events. [2021-03-26 03:59:25,823 INFO L130 PetriNetUnfolder]: For 255989/256105 co-relation queries the response was YES. [2021-03-26 03:59:25,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36299 conditions, 3646 events. 275/3646 cut-off events. For 255989/256105 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 54906 event pairs, 0 based on Foata normal form. 1/3598 useless extension candidates. Maximal degree in co-relation 36096. Up to 550 conditions per place. [2021-03-26 03:59:25,921 INFO L142 LiptonReduction]: Number of co-enabled transitions 4466 [2021-03-26 03:59:26,011 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:59:26,011 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:59:26,011 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1127 [2021-03-26 03:59:26,011 INFO L480 AbstractCegarLoop]: Abstraction has has 810 places, 765 transitions, 45595 flow [2021-03-26 03:59:26,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:26,011 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:59:26,011 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:59:26,011 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2021-03-26 03:59:26,011 INFO L428 AbstractCegarLoop]: === Iteration 230 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:59:26,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:59:26,012 INFO L82 PathProgramCache]: Analyzing trace with hash -932479938, now seen corresponding path program 226 times [2021-03-26 03:59:26,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:59:26,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400332929] [2021-03-26 03:59:26,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:59:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:59:26,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:26,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:59:26,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:26,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:59:26,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:26,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:59:26,030 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:59:26,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:59:26,041 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:59:26,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:59:26,066 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:59:26,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:59:26,096 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:59:26,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:59:26,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:59:26,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400332929] [2021-03-26 03:59:26,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:59:26,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:59:26,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737633118] [2021-03-26 03:59:26,114 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:59:26,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:59:26,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:59:26,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:59:26,115 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:59:26,115 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 810 places, 765 transitions, 45595 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:26,115 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:59:26,115 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:59:26,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:59:28,036 INFO L129 PetriNetUnfolder]: 288/3670 cut-off events. [2021-03-26 03:59:28,036 INFO L130 PetriNetUnfolder]: For 259300/259416 co-relation queries the response was YES. [2021-03-26 03:59:28,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37972 conditions, 3670 events. 288/3670 cut-off events. For 259300/259416 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 54944 event pairs, 13 based on Foata normal form. 13/3634 useless extension candidates. Maximal degree in co-relation 37768. Up to 731 conditions per place. [2021-03-26 03:59:28,095 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 480 selfloop transitions, 276 changer transitions 2/772 dead transitions. [2021-03-26 03:59:28,095 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 817 places, 772 transitions, 47313 flow [2021-03-26 03:59:28,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:59:28,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:59:28,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:59:28,096 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:59:28,096 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:59:28,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:59:28,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:59:28,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:59:28,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:28,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:28,097 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:28,097 INFO L185 Difference]: Start difference. First operand has 810 places, 765 transitions, 45595 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:59:28,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 817 places, 772 transitions, 47313 flow [2021-03-26 03:59:30,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 815 places, 772 transitions, 46903 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-03-26 03:59:30,243 INFO L241 Difference]: Finished difference. Result has 817 places, 766 transitions, 45776 flow [2021-03-26 03:59:30,243 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45185, PETRI_DIFFERENCE_MINUEND_PLACES=808, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=765, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=273, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=489, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45776, PETRI_PLACES=817, PETRI_TRANSITIONS=766} [2021-03-26 03:59:30,243 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 779 predicate places. [2021-03-26 03:59:30,244 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:59:30,244 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 817 places, 766 transitions, 45776 flow [2021-03-26 03:59:30,244 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 817 places, 766 transitions, 45776 flow [2021-03-26 03:59:30,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 816 places, 766 transitions, 45776 flow [2021-03-26 03:59:31,221 INFO L129 PetriNetUnfolder]: 274/3636 cut-off events. [2021-03-26 03:59:31,221 INFO L130 PetriNetUnfolder]: For 259203/259319 co-relation queries the response was YES. [2021-03-26 03:59:31,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36736 conditions, 3636 events. 274/3636 cut-off events. For 259203/259319 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 54763 event pairs, 0 based on Foata normal form. 1/3587 useless extension candidates. Maximal degree in co-relation 36531. Up to 548 conditions per place. [2021-03-26 03:59:31,318 INFO L142 LiptonReduction]: Number of co-enabled transitions 4468 [2021-03-26 03:59:31,409 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:59:31,409 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:59:31,410 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1167 [2021-03-26 03:59:31,410 INFO L480 AbstractCegarLoop]: Abstraction has has 816 places, 766 transitions, 45776 flow [2021-03-26 03:59:31,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:31,410 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:59:31,410 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:59:31,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2021-03-26 03:59:31,410 INFO L428 AbstractCegarLoop]: === Iteration 231 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:59:31,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:59:31,410 INFO L82 PathProgramCache]: Analyzing trace with hash 2081982842, now seen corresponding path program 227 times [2021-03-26 03:59:31,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:59:31,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246167427] [2021-03-26 03:59:31,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:59:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:59:31,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:31,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:59:31,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:31,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:59:31,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:31,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:59:31,426 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:59:31,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:59:31,436 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:59:31,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:59:31,450 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:59:31,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:59:31,469 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:59:31,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:59:31,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:59:31,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246167427] [2021-03-26 03:59:31,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:59:31,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:59:31,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688647682] [2021-03-26 03:59:31,487 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:59:31,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:59:31,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:59:31,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:59:31,488 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:59:31,488 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 816 places, 766 transitions, 45776 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:31,488 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:59:31,488 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:59:31,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:59:33,623 INFO L129 PetriNetUnfolder]: 287/3660 cut-off events. [2021-03-26 03:59:33,623 INFO L130 PetriNetUnfolder]: For 262699/262813 co-relation queries the response was YES. [2021-03-26 03:59:33,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38405 conditions, 3660 events. 287/3660 cut-off events. For 262699/262813 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 54799 event pairs, 13 based on Foata normal form. 12/3623 useless extension candidates. Maximal degree in co-relation 38199. Up to 731 conditions per place. [2021-03-26 03:59:33,681 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 475 selfloop transitions, 276 changer transitions 5/770 dead transitions. [2021-03-26 03:59:33,681 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 823 places, 770 transitions, 47360 flow [2021-03-26 03:59:33,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:59:33,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:59:33,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:59:33,682 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:59:33,682 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:59:33,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:59:33,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:59:33,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:59:33,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:33,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:33,683 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:33,683 INFO L185 Difference]: Start difference. First operand has 816 places, 766 transitions, 45776 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:59:33,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 823 places, 770 transitions, 47360 flow [2021-03-26 03:59:35,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 818 places, 770 transitions, 46734 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 03:59:35,899 INFO L241 Difference]: Finished difference. Result has 819 places, 761 transitions, 45365 flow [2021-03-26 03:59:35,899 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45158, PETRI_DIFFERENCE_MINUEND_PLACES=811, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=766, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=276, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45365, PETRI_PLACES=819, PETRI_TRANSITIONS=761} [2021-03-26 03:59:35,899 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 781 predicate places. [2021-03-26 03:59:35,899 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:59:35,899 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 819 places, 761 transitions, 45365 flow [2021-03-26 03:59:35,900 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 819 places, 761 transitions, 45365 flow [2021-03-26 03:59:35,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 817 places, 761 transitions, 45365 flow [2021-03-26 03:59:36,888 INFO L129 PetriNetUnfolder]: 273/3619 cut-off events. [2021-03-26 03:59:36,888 INFO L130 PetriNetUnfolder]: For 257549/257696 co-relation queries the response was YES. [2021-03-26 03:59:36,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36443 conditions, 3619 events. 273/3619 cut-off events. For 257549/257696 co-relation queries the response was YES. Maximal size of possible extension queue 652. Compared 54488 event pairs, 0 based on Foata normal form. 0/3568 useless extension candidates. Maximal degree in co-relation 36238. Up to 546 conditions per place. [2021-03-26 03:59:36,987 INFO L142 LiptonReduction]: Number of co-enabled transitions 4432 [2021-03-26 03:59:37,078 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:59:37,078 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:59:37,078 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1179 [2021-03-26 03:59:37,078 INFO L480 AbstractCegarLoop]: Abstraction has has 817 places, 761 transitions, 45365 flow [2021-03-26 03:59:37,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:37,079 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:59:37,079 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:59:37,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2021-03-26 03:59:37,079 INFO L428 AbstractCegarLoop]: === Iteration 232 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:59:37,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:59:37,079 INFO L82 PathProgramCache]: Analyzing trace with hash -394624360, now seen corresponding path program 228 times [2021-03-26 03:59:37,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:59:37,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80044075] [2021-03-26 03:59:37,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:59:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:59:37,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:37,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:59:37,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:37,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:59:37,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:37,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:59:37,095 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:59:37,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:59:37,106 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:59:37,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:59:37,120 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:59:37,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:59:37,140 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:59:37,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:59:37,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:59:37,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80044075] [2021-03-26 03:59:37,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:59:37,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:59:37,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047366957] [2021-03-26 03:59:37,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:59:37,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:59:37,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:59:37,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:59:37,159 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:59:37,159 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 817 places, 761 transitions, 45365 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:37,159 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:59:37,159 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:59:37,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:59:39,091 INFO L129 PetriNetUnfolder]: 286/3643 cut-off events. [2021-03-26 03:59:39,092 INFO L130 PetriNetUnfolder]: For 260940/261054 co-relation queries the response was YES. [2021-03-26 03:59:39,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38106 conditions, 3643 events. 286/3643 cut-off events. For 260940/261054 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 54447 event pairs, 13 based on Foata normal form. 12/3606 useless extension candidates. Maximal degree in co-relation 37900. Up to 731 conditions per place. [2021-03-26 03:59:39,148 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 476 selfloop transitions, 271 changer transitions 3/764 dead transitions. [2021-03-26 03:59:39,148 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 824 places, 764 transitions, 46919 flow [2021-03-26 03:59:39,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:59:39,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:59:39,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 03:59:39,149 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 03:59:39,149 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 03:59:39,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 03:59:39,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:59:39,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 03:59:39,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:39,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:39,150 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:39,150 INFO L185 Difference]: Start difference. First operand has 817 places, 761 transitions, 45365 flow. Second operand 8 states and 466 transitions. [2021-03-26 03:59:39,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 824 places, 764 transitions, 46919 flow [2021-03-26 03:59:41,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 818 places, 764 transitions, 46360 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 03:59:41,360 INFO L241 Difference]: Finished difference. Result has 819 places, 758 transitions, 45179 flow [2021-03-26 03:59:41,361 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44818, PETRI_DIFFERENCE_MINUEND_PLACES=811, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=761, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=271, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45179, PETRI_PLACES=819, PETRI_TRANSITIONS=758} [2021-03-26 03:59:41,361 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 781 predicate places. [2021-03-26 03:59:41,361 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:59:41,361 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 819 places, 758 transitions, 45179 flow [2021-03-26 03:59:41,361 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 819 places, 758 transitions, 45179 flow [2021-03-26 03:59:41,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 817 places, 758 transitions, 45179 flow [2021-03-26 03:59:42,304 INFO L129 PetriNetUnfolder]: 272/3608 cut-off events. [2021-03-26 03:59:42,305 INFO L130 PetriNetUnfolder]: For 254039/254164 co-relation queries the response was YES. [2021-03-26 03:59:42,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35974 conditions, 3608 events. 272/3608 cut-off events. For 254039/254164 co-relation queries the response was YES. Maximal size of possible extension queue 652. Compared 54232 event pairs, 0 based on Foata normal form. 1/3553 useless extension candidates. Maximal degree in co-relation 35770. Up to 544 conditions per place. [2021-03-26 03:59:42,399 INFO L142 LiptonReduction]: Number of co-enabled transitions 4426 [2021-03-26 03:59:42,490 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:59:42,490 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:59:42,490 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1129 [2021-03-26 03:59:42,490 INFO L480 AbstractCegarLoop]: Abstraction has has 817 places, 758 transitions, 45179 flow [2021-03-26 03:59:42,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:42,490 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:59:42,490 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:59:42,490 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2021-03-26 03:59:42,490 INFO L428 AbstractCegarLoop]: === Iteration 233 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:59:42,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:59:42,491 INFO L82 PathProgramCache]: Analyzing trace with hash 556925058, now seen corresponding path program 229 times [2021-03-26 03:59:42,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:59:42,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6071447] [2021-03-26 03:59:42,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:59:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:59:42,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:42,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:59:42,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:42,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:59:42,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:42,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:59:42,507 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:59:42,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:59:42,517 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:59:42,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:59:42,542 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:59:42,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:59:42,561 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:59:42,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:59:42,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:59:42,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6071447] [2021-03-26 03:59:42,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:59:42,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:59:42,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811914364] [2021-03-26 03:59:42,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:59:42,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:59:42,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:59:42,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:59:42,580 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:59:42,580 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 817 places, 758 transitions, 45179 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:42,580 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:59:42,580 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:59:42,580 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:59:44,492 INFO L129 PetriNetUnfolder]: 285/3632 cut-off events. [2021-03-26 03:59:44,492 INFO L130 PetriNetUnfolder]: For 257237/257353 co-relation queries the response was YES. [2021-03-26 03:59:44,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37634 conditions, 3632 events. 285/3632 cut-off events. For 257237/257353 co-relation queries the response was YES. Maximal size of possible extension queue 649. Compared 54314 event pairs, 13 based on Foata normal form. 13/3596 useless extension candidates. Maximal degree in co-relation 37429. Up to 731 conditions per place. [2021-03-26 03:59:44,547 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 474 selfloop transitions, 271 changer transitions 3/762 dead transitions. [2021-03-26 03:59:44,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 824 places, 762 transitions, 46739 flow [2021-03-26 03:59:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:59:44,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:59:44,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 03:59:44,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 03:59:44,549 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 03:59:44,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 03:59:44,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:59:44,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 03:59:44,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:44,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:44,549 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:44,549 INFO L185 Difference]: Start difference. First operand has 817 places, 758 transitions, 45179 flow. Second operand 8 states and 466 transitions. [2021-03-26 03:59:44,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 824 places, 762 transitions, 46739 flow [2021-03-26 03:59:46,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 819 places, 762 transitions, 46187 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-26 03:59:46,715 INFO L241 Difference]: Finished difference. Result has 820 places, 755 transitions, 44989 flow [2021-03-26 03:59:46,716 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44635, PETRI_DIFFERENCE_MINUEND_PLACES=812, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=758, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=271, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=487, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44989, PETRI_PLACES=820, PETRI_TRANSITIONS=755} [2021-03-26 03:59:46,716 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 782 predicate places. [2021-03-26 03:59:46,716 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:59:46,716 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 820 places, 755 transitions, 44989 flow [2021-03-26 03:59:46,716 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 820 places, 755 transitions, 44989 flow [2021-03-26 03:59:46,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 818 places, 755 transitions, 44989 flow [2021-03-26 03:59:47,662 INFO L129 PetriNetUnfolder]: 271/3597 cut-off events. [2021-03-26 03:59:47,662 INFO L130 PetriNetUnfolder]: For 253090/253206 co-relation queries the response was YES. [2021-03-26 03:59:47,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35857 conditions, 3597 events. 271/3597 cut-off events. For 253090/253206 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 54018 event pairs, 0 based on Foata normal form. 1/3549 useless extension candidates. Maximal degree in co-relation 35653. Up to 542 conditions per place. [2021-03-26 03:59:47,758 INFO L142 LiptonReduction]: Number of co-enabled transitions 4412 [2021-03-26 03:59:47,843 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:59:47,843 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:59:47,843 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1127 [2021-03-26 03:59:47,843 INFO L480 AbstractCegarLoop]: Abstraction has has 818 places, 755 transitions, 44989 flow [2021-03-26 03:59:47,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:47,843 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:59:47,843 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:59:47,843 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2021-03-26 03:59:47,843 INFO L428 AbstractCegarLoop]: === Iteration 234 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:59:47,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:59:47,844 INFO L82 PathProgramCache]: Analyzing trace with hash 588344800, now seen corresponding path program 230 times [2021-03-26 03:59:47,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:59:47,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651234664] [2021-03-26 03:59:47,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:59:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:59:47,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:47,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:59:47,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:47,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:59:47,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:47,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:59:47,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:47,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:59:47,875 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:59:47,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:59:47,889 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:59:47,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:59:47,908 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:59:47,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:59:47,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:59:47,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651234664] [2021-03-26 03:59:47,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:59:47,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:59:47,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247712606] [2021-03-26 03:59:47,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:59:47,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:59:47,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:59:47,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:59:47,927 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:59:47,927 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 818 places, 755 transitions, 44989 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:47,927 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:59:47,927 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:59:47,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:59:49,838 INFO L129 PetriNetUnfolder]: 284/3621 cut-off events. [2021-03-26 03:59:49,838 INFO L130 PetriNetUnfolder]: For 256299/256415 co-relation queries the response was YES. [2021-03-26 03:59:49,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37513 conditions, 3621 events. 284/3621 cut-off events. For 256299/256415 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 54087 event pairs, 13 based on Foata normal form. 13/3585 useless extension candidates. Maximal degree in co-relation 37308. Up to 681 conditions per place. [2021-03-26 03:59:49,894 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 484 selfloop transitions, 295 changer transitions 5/798 dead transitions. [2021-03-26 03:59:49,894 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 825 places, 798 transitions, 48745 flow [2021-03-26 03:59:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:59:49,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:59:49,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:59:49,895 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:59:49,895 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:59:49,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:59:49,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:59:49,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:59:49,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:49,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:49,896 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:49,896 INFO L185 Difference]: Start difference. First operand has 818 places, 755 transitions, 44989 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:59:49,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 825 places, 798 transitions, 48745 flow [2021-03-26 03:59:51,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 821 places, 798 transitions, 48188 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-26 03:59:52,001 INFO L241 Difference]: Finished difference. Result has 823 places, 753 transitions, 44973 flow [2021-03-26 03:59:52,002 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44478, PETRI_DIFFERENCE_MINUEND_PLACES=814, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=755, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=293, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44973, PETRI_PLACES=823, PETRI_TRANSITIONS=753} [2021-03-26 03:59:52,002 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 785 predicate places. [2021-03-26 03:59:52,002 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:59:52,002 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 823 places, 753 transitions, 44973 flow [2021-03-26 03:59:52,002 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 823 places, 753 transitions, 44973 flow [2021-03-26 03:59:52,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 821 places, 753 transitions, 44973 flow [2021-03-26 03:59:52,945 INFO L129 PetriNetUnfolder]: 270/3580 cut-off events. [2021-03-26 03:59:52,945 INFO L130 PetriNetUnfolder]: For 252318/252436 co-relation queries the response was YES. [2021-03-26 03:59:53,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35739 conditions, 3580 events. 270/3580 cut-off events. For 252318/252436 co-relation queries the response was YES. Maximal size of possible extension queue 643. Compared 53788 event pairs, 0 based on Foata normal form. 1/3528 useless extension candidates. Maximal degree in co-relation 35534. Up to 540 conditions per place. [2021-03-26 03:59:53,043 INFO L142 LiptonReduction]: Number of co-enabled transitions 4406 [2021-03-26 03:59:53,135 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:59:53,135 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:59:53,135 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1133 [2021-03-26 03:59:53,135 INFO L480 AbstractCegarLoop]: Abstraction has has 821 places, 753 transitions, 44973 flow [2021-03-26 03:59:53,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:53,135 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:59:53,135 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:59:53,135 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2021-03-26 03:59:53,135 INFO L428 AbstractCegarLoop]: === Iteration 235 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:59:53,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:59:53,136 INFO L82 PathProgramCache]: Analyzing trace with hash -451141352, now seen corresponding path program 231 times [2021-03-26 03:59:53,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:59:53,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995909876] [2021-03-26 03:59:53,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:59:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:59:53,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:53,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:59:53,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:53,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:59:53,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:53,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:59:53,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:53,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:59:53,168 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:59:53,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:59:53,185 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:59:53,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:59:53,207 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:59:53,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:59:53,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:59:53,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995909876] [2021-03-26 03:59:53,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:59:53,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:59:53,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100171966] [2021-03-26 03:59:53,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:59:53,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:59:53,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:59:53,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:59:53,228 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:59:53,228 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 821 places, 753 transitions, 44973 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:53,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:59:53,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:59:53,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:59:55,189 INFO L129 PetriNetUnfolder]: 283/3604 cut-off events. [2021-03-26 03:59:55,189 INFO L130 PetriNetUnfolder]: For 255554/255673 co-relation queries the response was YES. [2021-03-26 03:59:55,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37389 conditions, 3604 events. 283/3604 cut-off events. For 255554/255673 co-relation queries the response was YES. Maximal size of possible extension queue 643. Compared 53786 event pairs, 13 based on Foata normal form. 13/3568 useless extension candidates. Maximal degree in co-relation 37183. Up to 681 conditions per place. [2021-03-26 03:59:55,244 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 488 selfloop transitions, 289 changer transitions 2/793 dead transitions. [2021-03-26 03:59:55,244 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 828 places, 793 transitions, 48475 flow [2021-03-26 03:59:55,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:59:55,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 03:59:55,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 03:59:55,245 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 03:59:55,245 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 03:59:55,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 03:59:55,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:59:55,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 03:59:55,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:55,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:55,246 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:55,246 INFO L185 Difference]: Start difference. First operand has 821 places, 753 transitions, 44973 flow. Second operand 8 states and 467 transitions. [2021-03-26 03:59:55,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 828 places, 793 transitions, 48475 flow [2021-03-26 03:59:57,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 821 places, 793 transitions, 47877 flow, removed 14 selfloop flow, removed 7 redundant places. [2021-03-26 03:59:57,367 INFO L241 Difference]: Finished difference. Result has 823 places, 757 transitions, 45294 flow [2021-03-26 03:59:57,367 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44391, PETRI_DIFFERENCE_MINUEND_PLACES=814, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=753, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=283, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45294, PETRI_PLACES=823, PETRI_TRANSITIONS=757} [2021-03-26 03:59:57,367 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 785 predicate places. [2021-03-26 03:59:57,367 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:59:57,367 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 823 places, 757 transitions, 45294 flow [2021-03-26 03:59:57,367 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 823 places, 757 transitions, 45294 flow [2021-03-26 03:59:57,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 822 places, 757 transitions, 45294 flow [2021-03-26 03:59:58,304 INFO L129 PetriNetUnfolder]: 269/3570 cut-off events. [2021-03-26 03:59:58,304 INFO L130 PetriNetUnfolder]: For 250978/251095 co-relation queries the response was YES. [2021-03-26 03:59:58,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35333 conditions, 3570 events. 269/3570 cut-off events. For 250978/251095 co-relation queries the response was YES. Maximal size of possible extension queue 642. Compared 53569 event pairs, 0 based on Foata normal form. 1/3520 useless extension candidates. Maximal degree in co-relation 35129. Up to 538 conditions per place. [2021-03-26 03:59:58,400 INFO L142 LiptonReduction]: Number of co-enabled transitions 4440 [2021-03-26 03:59:58,488 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:59:58,488 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:59:58,488 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1121 [2021-03-26 03:59:58,489 INFO L480 AbstractCegarLoop]: Abstraction has has 822 places, 757 transitions, 45294 flow [2021-03-26 03:59:58,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:58,489 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:59:58,489 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:59:58,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2021-03-26 03:59:58,489 INFO L428 AbstractCegarLoop]: === Iteration 236 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:59:58,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:59:58,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1705532512, now seen corresponding path program 232 times [2021-03-26 03:59:58,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:59:58,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113678870] [2021-03-26 03:59:58,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:59:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:59:58,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:58,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:59:58,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:58,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:59:58,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:58,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:59:58,509 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:59:58,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:59:58,521 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:59:58,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:59:58,551 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:59:58,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:59:58,571 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 03:59:58,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:59:58,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:59:58,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113678870] [2021-03-26 03:59:58,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:59:58,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 03:59:58,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632438440] [2021-03-26 03:59:58,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 03:59:58,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:59:58,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 03:59:58,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 03:59:58,590 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 03:59:58,591 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 822 places, 757 transitions, 45294 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:58,591 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:59:58,591 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 03:59:58,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:00:00,442 INFO L129 PetriNetUnfolder]: 282/3594 cut-off events. [2021-03-26 04:00:00,442 INFO L130 PetriNetUnfolder]: For 253707/253825 co-relation queries the response was YES. [2021-03-26 04:00:00,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36981 conditions, 3594 events. 282/3594 cut-off events. For 253707/253825 co-relation queries the response was YES. Maximal size of possible extension queue 642. Compared 53566 event pairs, 13 based on Foata normal form. 12/3557 useless extension candidates. Maximal degree in co-relation 36776. Up to 681 conditions per place. [2021-03-26 04:00:00,626 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 497 selfloop transitions, 278 changer transitions 2/791 dead transitions. [2021-03-26 04:00:00,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 829 places, 791 transitions, 48414 flow [2021-03-26 04:00:00,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:00:00,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:00:00,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:00:00,627 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:00:00,627 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:00:00,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:00:00,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:00:00,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:00:00,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:00,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:00,628 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:00,628 INFO L185 Difference]: Start difference. First operand has 822 places, 757 transitions, 45294 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:00:00,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 829 places, 791 transitions, 48414 flow [2021-03-26 04:00:02,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 824 places, 791 transitions, 47875 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-26 04:00:02,830 INFO L241 Difference]: Finished difference. Result has 826 places, 765 transitions, 45868 flow [2021-03-26 04:00:02,830 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44763, PETRI_DIFFERENCE_MINUEND_PLACES=817, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=757, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=268, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45868, PETRI_PLACES=826, PETRI_TRANSITIONS=765} [2021-03-26 04:00:02,830 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 788 predicate places. [2021-03-26 04:00:02,830 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:00:02,830 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 826 places, 765 transitions, 45868 flow [2021-03-26 04:00:02,830 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 826 places, 765 transitions, 45868 flow [2021-03-26 04:00:02,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 825 places, 765 transitions, 45868 flow [2021-03-26 04:00:03,790 INFO L129 PetriNetUnfolder]: 268/3560 cut-off events. [2021-03-26 04:00:03,791 INFO L130 PetriNetUnfolder]: For 252984/253115 co-relation queries the response was YES. [2021-03-26 04:00:03,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35360 conditions, 3560 events. 268/3560 cut-off events. For 252984/253115 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 53390 event pairs, 0 based on Foata normal form. 1/3507 useless extension candidates. Maximal degree in co-relation 35156. Up to 536 conditions per place. [2021-03-26 04:00:03,894 INFO L142 LiptonReduction]: Number of co-enabled transitions 4508 [2021-03-26 04:00:03,986 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:00:03,986 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:00:03,986 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1156 [2021-03-26 04:00:03,986 INFO L480 AbstractCegarLoop]: Abstraction has has 825 places, 765 transitions, 45868 flow [2021-03-26 04:00:03,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:03,987 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:00:03,987 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:00:03,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2021-03-26 04:00:03,987 INFO L428 AbstractCegarLoop]: === Iteration 237 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:00:03,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:00:03,987 INFO L82 PathProgramCache]: Analyzing trace with hash -2051579206, now seen corresponding path program 233 times [2021-03-26 04:00:03,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:00:03,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744158551] [2021-03-26 04:00:03,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:00:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:00:03,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:03,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:00:03,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:03,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:00:03,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:03,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:00:04,004 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:00:04,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:00:04,015 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:00:04,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:00:04,029 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 04:00:04,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:00:04,049 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:00:04,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:00:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:00:04,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744158551] [2021-03-26 04:00:04,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:00:04,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:00:04,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508846432] [2021-03-26 04:00:04,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:00:04,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:00:04,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:00:04,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:00:04,068 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:00:04,068 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 825 places, 765 transitions, 45868 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:04,068 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:00:04,068 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:00:04,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:00:05,952 INFO L129 PetriNetUnfolder]: 281/3584 cut-off events. [2021-03-26 04:00:05,952 INFO L130 PetriNetUnfolder]: For 255824/255941 co-relation queries the response was YES. [2021-03-26 04:00:06,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37005 conditions, 3584 events. 281/3584 cut-off events. For 255824/255941 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 53405 event pairs, 13 based on Foata normal form. 12/3547 useless extension candidates. Maximal degree in co-relation 36800. Up to 681 conditions per place. [2021-03-26 04:00:06,014 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 494 selfloop transitions, 279 changer transitions 2/789 dead transitions. [2021-03-26 04:00:06,015 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 832 places, 789 transitions, 48428 flow [2021-03-26 04:00:06,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:00:06,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:00:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:00:06,015 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:00:06,015 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:00:06,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:00:06,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:00:06,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:00:06,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:06,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:06,016 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:06,016 INFO L185 Difference]: Start difference. First operand has 825 places, 765 transitions, 45868 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:00:06,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 832 places, 789 transitions, 48428 flow [2021-03-26 04:00:08,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 827 places, 789 transitions, 47990 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-26 04:00:08,299 INFO L241 Difference]: Finished difference. Result has 828 places, 763 transitions, 45871 flow [2021-03-26 04:00:08,299 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45438, PETRI_DIFFERENCE_MINUEND_PLACES=820, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=765, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=279, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=486, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45871, PETRI_PLACES=828, PETRI_TRANSITIONS=763} [2021-03-26 04:00:08,299 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 790 predicate places. [2021-03-26 04:00:08,300 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:00:08,300 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 828 places, 763 transitions, 45871 flow [2021-03-26 04:00:08,300 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 828 places, 763 transitions, 45871 flow [2021-03-26 04:00:08,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 827 places, 763 transitions, 45871 flow [2021-03-26 04:00:09,277 INFO L129 PetriNetUnfolder]: 267/3550 cut-off events. [2021-03-26 04:00:09,277 INFO L130 PetriNetUnfolder]: For 252187/252305 co-relation queries the response was YES. [2021-03-26 04:00:09,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35447 conditions, 3550 events. 267/3550 cut-off events. For 252187/252305 co-relation queries the response was YES. Maximal size of possible extension queue 640. Compared 53258 event pairs, 0 based on Foata normal form. 1/3501 useless extension candidates. Maximal degree in co-relation 35245. Up to 534 conditions per place. [2021-03-26 04:00:09,381 INFO L142 LiptonReduction]: Number of co-enabled transitions 4504 [2021-03-26 04:00:09,474 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:00:09,474 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:00:09,475 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1175 [2021-03-26 04:00:09,475 INFO L480 AbstractCegarLoop]: Abstraction has has 827 places, 763 transitions, 45871 flow [2021-03-26 04:00:09,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:09,475 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:00:09,475 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:00:09,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2021-03-26 04:00:09,475 INFO L428 AbstractCegarLoop]: === Iteration 238 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:00:09,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:00:09,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1006754332, now seen corresponding path program 234 times [2021-03-26 04:00:09,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:00:09,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113316834] [2021-03-26 04:00:09,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:00:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:00:09,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:09,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:00:09,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:09,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:00:09,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:09,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:00:09,494 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 04:00:09,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:00:09,513 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 04:00:09,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:00:09,538 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:00:09,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:00:09,557 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:00:09,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:00:09,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:00:09,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113316834] [2021-03-26 04:00:09,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:00:09,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:00:09,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464584562] [2021-03-26 04:00:09,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:00:09,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:00:09,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:00:09,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:00:09,577 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:00:09,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 827 places, 763 transitions, 45871 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:09,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:00:09,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:00:09,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:00:11,462 INFO L129 PetriNetUnfolder]: 280/3574 cut-off events. [2021-03-26 04:00:11,462 INFO L130 PetriNetUnfolder]: For 255002/255121 co-relation queries the response was YES. [2021-03-26 04:00:11,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37089 conditions, 3574 events. 280/3574 cut-off events. For 255002/255121 co-relation queries the response was YES. Maximal size of possible extension queue 640. Compared 53222 event pairs, 13 based on Foata normal form. 13/3538 useless extension candidates. Maximal degree in co-relation 36886. Up to 681 conditions per place. [2021-03-26 04:00:11,530 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 487 selfloop transitions, 284 changer transitions 2/787 dead transitions. [2021-03-26 04:00:11,530 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 834 places, 787 transitions, 48427 flow [2021-03-26 04:00:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:00:11,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:00:11,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:00:11,531 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:00:11,531 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:00:11,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:00:11,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:00:11,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:00:11,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:11,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:11,532 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:11,532 INFO L185 Difference]: Start difference. First operand has 827 places, 763 transitions, 45871 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:00:11,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 834 places, 787 transitions, 48427 flow [2021-03-26 04:00:13,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 830 places, 787 transitions, 47924 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-03-26 04:00:13,824 INFO L241 Difference]: Finished difference. Result has 832 places, 763 transitions, 45955 flow [2021-03-26 04:00:13,825 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45376, PETRI_DIFFERENCE_MINUEND_PLACES=823, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=763, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=283, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45955, PETRI_PLACES=832, PETRI_TRANSITIONS=763} [2021-03-26 04:00:13,825 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 794 predicate places. [2021-03-26 04:00:13,825 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:00:13,825 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 832 places, 763 transitions, 45955 flow [2021-03-26 04:00:13,825 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 832 places, 763 transitions, 45955 flow [2021-03-26 04:00:13,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 831 places, 763 transitions, 45955 flow [2021-03-26 04:00:14,759 INFO L129 PetriNetUnfolder]: 266/3540 cut-off events. [2021-03-26 04:00:14,759 INFO L130 PetriNetUnfolder]: For 252113/252231 co-relation queries the response was YES. [2021-03-26 04:00:14,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35425 conditions, 3540 events. 266/3540 cut-off events. For 252113/252231 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 53090 event pairs, 0 based on Foata normal form. 1/3489 useless extension candidates. Maximal degree in co-relation 35222. Up to 532 conditions per place. [2021-03-26 04:00:14,851 INFO L142 LiptonReduction]: Number of co-enabled transitions 4496 [2021-03-26 04:00:14,943 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:00:14,943 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:00:14,943 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1118 [2021-03-26 04:00:14,943 INFO L480 AbstractCegarLoop]: Abstraction has has 831 places, 763 transitions, 45955 flow [2021-03-26 04:00:14,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:14,943 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:00:14,943 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:00:14,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2021-03-26 04:00:14,943 INFO L428 AbstractCegarLoop]: === Iteration 239 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:00:14,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:00:14,944 INFO L82 PathProgramCache]: Analyzing trace with hash -482650664, now seen corresponding path program 235 times [2021-03-26 04:00:14,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:00:14,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140920387] [2021-03-26 04:00:14,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:00:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:00:14,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:14,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:00:14,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:14,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:00:14,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:14,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:00:14,960 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 04:00:14,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:00:14,979 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 04:00:14,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:00:15,004 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 04:00:15,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:00:15,023 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:00:15,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:00:15,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:00:15,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140920387] [2021-03-26 04:00:15,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:00:15,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:00:15,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83124808] [2021-03-26 04:00:15,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:00:15,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:00:15,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:00:15,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:00:15,043 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:00:15,043 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 831 places, 763 transitions, 45955 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:15,043 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:00:15,043 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:00:15,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:00:16,846 INFO L129 PetriNetUnfolder]: 279/3564 cut-off events. [2021-03-26 04:00:16,846 INFO L130 PetriNetUnfolder]: For 254840/254960 co-relation queries the response was YES. [2021-03-26 04:00:16,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37064 conditions, 3564 events. 279/3564 cut-off events. For 254840/254960 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 53091 event pairs, 13 based on Foata normal form. 13/3528 useless extension candidates. Maximal degree in co-relation 36860. Up to 681 conditions per place. [2021-03-26 04:00:16,907 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 487 selfloop transitions, 281 changer transitions 3/785 dead transitions. [2021-03-26 04:00:16,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 838 places, 785 transitions, 48387 flow [2021-03-26 04:00:16,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:00:16,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:00:16,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:00:16,908 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:00:16,908 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:00:16,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:00:16,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:00:16,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:00:16,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:16,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:16,909 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:16,909 INFO L185 Difference]: Start difference. First operand has 831 places, 763 transitions, 45955 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:00:16,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 838 places, 785 transitions, 48387 flow [2021-03-26 04:00:19,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 836 places, 785 transitions, 48205 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-03-26 04:00:19,180 INFO L241 Difference]: Finished difference. Result has 837 places, 760 transitions, 46158 flow [2021-03-26 04:00:19,181 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45781, PETRI_DIFFERENCE_MINUEND_PLACES=829, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=763, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=281, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46158, PETRI_PLACES=837, PETRI_TRANSITIONS=760} [2021-03-26 04:00:19,181 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 799 predicate places. [2021-03-26 04:00:19,181 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:00:19,181 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 837 places, 760 transitions, 46158 flow [2021-03-26 04:00:19,181 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 837 places, 760 transitions, 46158 flow [2021-03-26 04:00:19,194 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 836 places, 760 transitions, 46158 flow [2021-03-26 04:00:20,111 INFO L129 PetriNetUnfolder]: 265/3529 cut-off events. [2021-03-26 04:00:20,112 INFO L130 PetriNetUnfolder]: For 254038/254158 co-relation queries the response was YES. [2021-03-26 04:00:20,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35642 conditions, 3529 events. 265/3529 cut-off events. For 254038/254158 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 52906 event pairs, 0 based on Foata normal form. 1/3479 useless extension candidates. Maximal degree in co-relation 35439. Up to 530 conditions per place. [2021-03-26 04:00:20,205 INFO L142 LiptonReduction]: Number of co-enabled transitions 4490 [2021-03-26 04:00:20,296 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:00:20,297 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:00:20,297 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1116 [2021-03-26 04:00:20,297 INFO L480 AbstractCegarLoop]: Abstraction has has 836 places, 760 transitions, 46158 flow [2021-03-26 04:00:20,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:20,297 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:00:20,297 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:00:20,297 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2021-03-26 04:00:20,297 INFO L428 AbstractCegarLoop]: === Iteration 240 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:00:20,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:00:20,297 INFO L82 PathProgramCache]: Analyzing trace with hash -2093591622, now seen corresponding path program 236 times [2021-03-26 04:00:20,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:00:20,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562113651] [2021-03-26 04:00:20,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:00:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:00:20,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:20,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:00:20,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:20,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:00:20,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:20,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:00:20,316 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 04:00:20,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:00:20,335 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 04:00:20,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:00:20,356 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 04:00:20,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:00:20,376 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:00:20,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:00:20,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:00:20,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562113651] [2021-03-26 04:00:20,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:00:20,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:00:20,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995660769] [2021-03-26 04:00:20,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:00:20,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:00:20,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:00:20,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:00:20,395 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:00:20,395 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 836 places, 760 transitions, 46158 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:20,395 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:00:20,395 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:00:20,395 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:00:22,197 INFO L129 PetriNetUnfolder]: 278/3553 cut-off events. [2021-03-26 04:00:22,197 INFO L130 PetriNetUnfolder]: For 256896/257019 co-relation queries the response was YES. [2021-03-26 04:00:22,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37277 conditions, 3553 events. 278/3553 cut-off events. For 256896/257019 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 52847 event pairs, 13 based on Foata normal form. 13/3517 useless extension candidates. Maximal degree in co-relation 37073. Up to 681 conditions per place. [2021-03-26 04:00:22,257 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 485 selfloop transitions, 280 changer transitions 3/782 dead transitions. [2021-03-26 04:00:22,257 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 843 places, 782 transitions, 48584 flow [2021-03-26 04:00:22,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:00:22,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:00:22,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:00:22,258 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:00:22,258 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:00:22,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:00:22,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:00:22,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:00:22,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:22,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:22,259 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:22,259 INFO L185 Difference]: Start difference. First operand has 836 places, 760 transitions, 46158 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:00:22,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 843 places, 782 transitions, 48584 flow [2021-03-26 04:00:24,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 837 places, 782 transitions, 47907 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-26 04:00:24,498 INFO L241 Difference]: Finished difference. Result has 838 places, 757 transitions, 45858 flow [2021-03-26 04:00:24,499 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45489, PETRI_DIFFERENCE_MINUEND_PLACES=830, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=760, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=280, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45858, PETRI_PLACES=838, PETRI_TRANSITIONS=757} [2021-03-26 04:00:24,499 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 800 predicate places. [2021-03-26 04:00:24,499 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:00:24,499 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 838 places, 757 transitions, 45858 flow [2021-03-26 04:00:24,499 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 838 places, 757 transitions, 45858 flow [2021-03-26 04:00:24,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 836 places, 757 transitions, 45858 flow [2021-03-26 04:00:25,410 INFO L129 PetriNetUnfolder]: 264/3518 cut-off events. [2021-03-26 04:00:25,410 INFO L130 PetriNetUnfolder]: For 253070/253189 co-relation queries the response was YES. [2021-03-26 04:00:25,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35414 conditions, 3518 events. 264/3518 cut-off events. For 253070/253189 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 52692 event pairs, 0 based on Foata normal form. 1/3467 useless extension candidates. Maximal degree in co-relation 35211. Up to 528 conditions per place. [2021-03-26 04:00:25,504 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-26 04:00:25,594 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:00:25,594 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:00:25,595 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1096 [2021-03-26 04:00:25,595 INFO L480 AbstractCegarLoop]: Abstraction has has 836 places, 757 transitions, 45858 flow [2021-03-26 04:00:25,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:25,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:00:25,595 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:00:25,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2021-03-26 04:00:25,595 INFO L428 AbstractCegarLoop]: === Iteration 241 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:00:25,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:00:25,595 INFO L82 PathProgramCache]: Analyzing trace with hash 350650448, now seen corresponding path program 237 times [2021-03-26 04:00:25,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:00:25,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897754771] [2021-03-26 04:00:25,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:00:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:00:25,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:25,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:00:25,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:25,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:00:25,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:25,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:00:25,611 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:00:25,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:00:25,622 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:00:25,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:00:25,636 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:00:25,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:00:25,654 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:00:25,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:00:25,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:00:25,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897754771] [2021-03-26 04:00:25,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:00:25,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:00:25,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128228139] [2021-03-26 04:00:25,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:00:25,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:00:25,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:00:25,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:00:25,673 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:00:25,673 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 836 places, 757 transitions, 45858 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:25,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:00:25,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:00:25,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:00:27,498 INFO L129 PetriNetUnfolder]: 277/3542 cut-off events. [2021-03-26 04:00:27,498 INFO L130 PetriNetUnfolder]: For 255765/255886 co-relation queries the response was YES. [2021-03-26 04:00:27,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37045 conditions, 3542 events. 277/3542 cut-off events. For 255765/255886 co-relation queries the response was YES. Maximal size of possible extension queue 635. Compared 52673 event pairs, 13 based on Foata normal form. 12/3505 useless extension candidates. Maximal degree in co-relation 36841. Up to 681 conditions per place. [2021-03-26 04:00:27,560 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 486 selfloop transitions, 279 changer transitions 0/779 dead transitions. [2021-03-26 04:00:27,561 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 843 places, 779 transitions, 48278 flow [2021-03-26 04:00:27,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:00:27,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:00:27,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:00:27,561 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:00:27,562 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:00:27,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:00:27,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:00:27,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:00:27,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:27,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:27,562 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:27,562 INFO L185 Difference]: Start difference. First operand has 836 places, 757 transitions, 45858 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:00:27,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 843 places, 779 transitions, 48278 flow [2021-03-26 04:00:29,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 836 places, 779 transitions, 47652 flow, removed 14 selfloop flow, removed 7 redundant places. [2021-03-26 04:00:29,869 INFO L241 Difference]: Finished difference. Result has 838 places, 763 transitions, 46176 flow [2021-03-26 04:00:29,869 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45242, PETRI_DIFFERENCE_MINUEND_PLACES=829, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=757, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=273, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46176, PETRI_PLACES=838, PETRI_TRANSITIONS=763} [2021-03-26 04:00:29,869 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 800 predicate places. [2021-03-26 04:00:29,869 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:00:29,870 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 838 places, 763 transitions, 46176 flow [2021-03-26 04:00:29,870 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 838 places, 763 transitions, 46176 flow [2021-03-26 04:00:29,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 838 places, 763 transitions, 46176 flow [2021-03-26 04:00:30,784 INFO L129 PetriNetUnfolder]: 264/3517 cut-off events. [2021-03-26 04:00:30,785 INFO L130 PetriNetUnfolder]: For 254106/254248 co-relation queries the response was YES. [2021-03-26 04:00:30,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35392 conditions, 3517 events. 264/3517 cut-off events. For 254106/254248 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 52699 event pairs, 0 based on Foata normal form. 1/3466 useless extension candidates. Maximal degree in co-relation 35189. Up to 528 conditions per place. [2021-03-26 04:00:30,879 INFO L142 LiptonReduction]: Number of co-enabled transitions 4496 [2021-03-26 04:00:30,969 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:00:30,969 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:00:30,969 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1100 [2021-03-26 04:00:30,970 INFO L480 AbstractCegarLoop]: Abstraction has has 838 places, 763 transitions, 46176 flow [2021-03-26 04:00:30,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:30,970 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:00:30,970 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:00:30,970 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2021-03-26 04:00:30,970 INFO L428 AbstractCegarLoop]: === Iteration 242 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:00:30,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:00:30,970 INFO L82 PathProgramCache]: Analyzing trace with hash 598847904, now seen corresponding path program 238 times [2021-03-26 04:00:30,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:00:30,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535090821] [2021-03-26 04:00:30,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:00:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:00:30,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:30,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:00:30,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:30,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:00:30,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:30,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:00:30,987 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:00:30,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:00:30,997 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:00:30,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:00:31,011 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:00:31,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:00:31,030 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:00:31,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:00:31,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:00:31,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535090821] [2021-03-26 04:00:31,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:00:31,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:00:31,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570830410] [2021-03-26 04:00:31,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:00:31,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:00:31,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:00:31,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:00:31,049 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:00:31,049 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 838 places, 763 transitions, 46176 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:31,049 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:00:31,049 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:00:31,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:00:32,856 INFO L129 PetriNetUnfolder]: 277/3541 cut-off events. [2021-03-26 04:00:32,856 INFO L130 PetriNetUnfolder]: For 256663/256786 co-relation queries the response was YES. [2021-03-26 04:00:32,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37022 conditions, 3541 events. 277/3541 cut-off events. For 256663/256786 co-relation queries the response was YES. Maximal size of possible extension queue 635. Compared 52623 event pairs, 13 based on Foata normal form. 13/3505 useless extension candidates. Maximal degree in co-relation 36818. Up to 681 conditions per place. [2021-03-26 04:00:32,916 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 486 selfloop transitions, 274 changer transitions 5/779 dead transitions. [2021-03-26 04:00:32,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 845 places, 779 transitions, 48286 flow [2021-03-26 04:00:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:00:32,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:00:32,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:00:32,917 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:00:32,917 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:00:32,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:00:32,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:00:32,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:00:32,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:32,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:32,918 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:32,918 INFO L185 Difference]: Start difference. First operand has 838 places, 763 transitions, 46176 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:00:32,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 845 places, 779 transitions, 48286 flow [2021-03-26 04:00:35,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 840 places, 779 transitions, 47719 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-03-26 04:00:35,181 INFO L241 Difference]: Finished difference. Result has 841 places, 758 transitions, 45813 flow [2021-03-26 04:00:35,181 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45609, PETRI_DIFFERENCE_MINUEND_PLACES=833, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=763, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=274, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=489, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45813, PETRI_PLACES=841, PETRI_TRANSITIONS=758} [2021-03-26 04:00:35,181 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 803 predicate places. [2021-03-26 04:00:35,181 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:00:35,181 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 841 places, 758 transitions, 45813 flow [2021-03-26 04:00:35,182 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 841 places, 758 transitions, 45813 flow [2021-03-26 04:00:35,194 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 839 places, 758 transitions, 45813 flow [2021-03-26 04:00:36,077 INFO L129 PetriNetUnfolder]: 263/3500 cut-off events. [2021-03-26 04:00:36,077 INFO L130 PetriNetUnfolder]: For 254027/254146 co-relation queries the response was YES. [2021-03-26 04:00:36,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35527 conditions, 3500 events. 263/3500 cut-off events. For 254027/254146 co-relation queries the response was YES. Maximal size of possible extension queue 633. Compared 52361 event pairs, 0 based on Foata normal form. 1/3450 useless extension candidates. Maximal degree in co-relation 35324. Up to 526 conditions per place. [2021-03-26 04:00:36,170 INFO L142 LiptonReduction]: Number of co-enabled transitions 4460 [2021-03-26 04:00:36,260 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:00:36,260 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:00:36,260 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1079 [2021-03-26 04:00:36,261 INFO L480 AbstractCegarLoop]: Abstraction has has 839 places, 758 transitions, 45813 flow [2021-03-26 04:00:36,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:36,261 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:00:36,261 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:00:36,261 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2021-03-26 04:00:36,261 INFO L428 AbstractCegarLoop]: === Iteration 243 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:00:36,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:00:36,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1682436388, now seen corresponding path program 239 times [2021-03-26 04:00:36,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:00:36,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73337625] [2021-03-26 04:00:36,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:00:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:00:36,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:36,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:00:36,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:36,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:00:36,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:36,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:00:36,288 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:00:36,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:00:36,300 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 04:00:36,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:00:36,315 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:00:36,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:00:36,334 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:00:36,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:00:36,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:00:36,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73337625] [2021-03-26 04:00:36,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:00:36,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:00:36,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239803544] [2021-03-26 04:00:36,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:00:36,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:00:36,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:00:36,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:00:36,353 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:00:36,353 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 839 places, 758 transitions, 45813 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:36,353 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:00:36,353 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:00:36,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:00:38,165 INFO L129 PetriNetUnfolder]: 276/3524 cut-off events. [2021-03-26 04:00:38,166 INFO L130 PetriNetUnfolder]: For 257162/257285 co-relation queries the response was YES. [2021-03-26 04:00:38,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37150 conditions, 3524 events. 276/3524 cut-off events. For 257162/257285 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52362 event pairs, 13 based on Foata normal form. 13/3488 useless extension candidates. Maximal degree in co-relation 36946. Up to 681 conditions per place. [2021-03-26 04:00:38,227 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 467 selfloop transitions, 293 changer transitions 0/774 dead transitions. [2021-03-26 04:00:38,227 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 846 places, 774 transitions, 47921 flow [2021-03-26 04:00:38,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:00:38,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:00:38,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:00:38,228 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:00:38,228 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:00:38,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:00:38,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:00:38,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:00:38,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:38,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:38,228 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:38,228 INFO L185 Difference]: Start difference. First operand has 839 places, 758 transitions, 45813 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:00:38,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 846 places, 774 transitions, 47921 flow [2021-03-26 04:00:40,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 840 places, 774 transitions, 47366 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-03-26 04:00:40,612 INFO L241 Difference]: Finished difference. Result has 842 places, 770 transitions, 46526 flow [2021-03-26 04:00:40,613 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45274, PETRI_DIFFERENCE_MINUEND_PLACES=833, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=758, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=281, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46526, PETRI_PLACES=842, PETRI_TRANSITIONS=770} [2021-03-26 04:00:40,613 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 804 predicate places. [2021-03-26 04:00:40,613 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:00:40,613 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 842 places, 770 transitions, 46526 flow [2021-03-26 04:00:40,613 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 842 places, 770 transitions, 46526 flow [2021-03-26 04:00:40,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 842 places, 770 transitions, 46526 flow [2021-03-26 04:00:41,521 INFO L129 PetriNetUnfolder]: 263/3499 cut-off events. [2021-03-26 04:00:41,521 INFO L130 PetriNetUnfolder]: For 255880/256083 co-relation queries the response was YES. [2021-03-26 04:00:41,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35272 conditions, 3499 events. 263/3499 cut-off events. For 255880/256083 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52396 event pairs, 0 based on Foata normal form. 1/3416 useless extension candidates. Maximal degree in co-relation 35069. Up to 526 conditions per place. [2021-03-26 04:00:41,615 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-26 04:00:41,712 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:00:41,712 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:00:41,712 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1099 [2021-03-26 04:00:41,712 INFO L480 AbstractCegarLoop]: Abstraction has has 842 places, 770 transitions, 46526 flow [2021-03-26 04:00:41,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:41,712 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:00:41,712 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:00:41,712 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2021-03-26 04:00:41,712 INFO L428 AbstractCegarLoop]: === Iteration 244 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:00:41,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:00:41,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1296373604, now seen corresponding path program 240 times [2021-03-26 04:00:41,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:00:41,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457941622] [2021-03-26 04:00:41,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:00:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:00:41,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:41,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:00:41,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:41,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:00:41,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:41,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:00:41,731 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:00:41,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:00:41,741 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 04:00:41,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:00:41,754 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:00:41,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:00:41,773 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:00:41,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:00:41,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:00:41,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457941622] [2021-03-26 04:00:41,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:00:41,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:00:41,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547552641] [2021-03-26 04:00:41,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:00:41,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:00:41,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:00:41,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:00:41,792 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:00:41,793 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 842 places, 770 transitions, 46526 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:41,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:00:41,793 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:00:41,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:00:43,580 INFO L129 PetriNetUnfolder]: 276/3523 cut-off events. [2021-03-26 04:00:43,580 INFO L130 PetriNetUnfolder]: For 258178/258303 co-relation queries the response was YES. [2021-03-26 04:00:43,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36895 conditions, 3523 events. 276/3523 cut-off events. For 258178/258303 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52366 event pairs, 13 based on Foata normal form. 13/3487 useless extension candidates. Maximal degree in co-relation 36691. Up to 681 conditions per place. [2021-03-26 04:00:43,640 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 468 selfloop transitions, 292 changer transitions 0/774 dead transitions. [2021-03-26 04:00:43,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 849 places, 774 transitions, 48102 flow [2021-03-26 04:00:43,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:00:43,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:00:43,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:00:43,641 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:00:43,641 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:00:43,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:00:43,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:00:43,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:00:43,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:43,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:43,642 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:43,642 INFO L185 Difference]: Start difference. First operand has 842 places, 770 transitions, 46526 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:00:43,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 849 places, 774 transitions, 48102 flow [2021-03-26 04:00:45,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 847 places, 774 transitions, 47666 flow, removed 31 selfloop flow, removed 2 redundant places. [2021-03-26 04:00:45,991 INFO L241 Difference]: Finished difference. Result has 848 places, 770 transitions, 46677 flow [2021-03-26 04:00:45,992 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46090, PETRI_DIFFERENCE_MINUEND_PLACES=840, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=292, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46677, PETRI_PLACES=848, PETRI_TRANSITIONS=770} [2021-03-26 04:00:45,992 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 810 predicate places. [2021-03-26 04:00:45,992 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:00:45,992 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 848 places, 770 transitions, 46677 flow [2021-03-26 04:00:45,992 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 848 places, 770 transitions, 46677 flow [2021-03-26 04:00:46,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 848 places, 770 transitions, 46677 flow [2021-03-26 04:00:46,903 INFO L129 PetriNetUnfolder]: 263/3498 cut-off events. [2021-03-26 04:00:46,903 INFO L130 PetriNetUnfolder]: For 257856/258059 co-relation queries the response was YES. [2021-03-26 04:00:46,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35771 conditions, 3498 events. 263/3498 cut-off events. For 257856/258059 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52502 event pairs, 0 based on Foata normal form. 1/3415 useless extension candidates. Maximal degree in co-relation 35567. Up to 526 conditions per place. [2021-03-26 04:00:47,003 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-26 04:00:47,088 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:00:47,088 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:00:47,089 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1097 [2021-03-26 04:00:47,089 INFO L480 AbstractCegarLoop]: Abstraction has has 848 places, 770 transitions, 46677 flow [2021-03-26 04:00:47,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:47,089 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:00:47,089 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:00:47,089 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2021-03-26 04:00:47,089 INFO L428 AbstractCegarLoop]: === Iteration 245 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:00:47,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:00:47,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1001589950, now seen corresponding path program 241 times [2021-03-26 04:00:47,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:00:47,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113740420] [2021-03-26 04:00:47,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:00:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:00:47,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:47,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:00:47,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:47,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:00:47,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:47,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:00:47,106 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:00:47,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:00:47,117 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:00:47,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:00:47,131 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:00:47,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:00:47,150 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:00:47,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:00:47,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:00:47,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113740420] [2021-03-26 04:00:47,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:00:47,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:00:47,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648117517] [2021-03-26 04:00:47,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:00:47,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:00:47,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:00:47,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:00:47,170 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:00:47,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 848 places, 770 transitions, 46677 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:47,170 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:00:47,170 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:00:47,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:00:48,982 INFO L129 PetriNetUnfolder]: 276/3522 cut-off events. [2021-03-26 04:00:48,982 INFO L130 PetriNetUnfolder]: For 260659/260782 co-relation queries the response was YES. [2021-03-26 04:00:49,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37392 conditions, 3522 events. 276/3522 cut-off events. For 260659/260782 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52316 event pairs, 13 based on Foata normal form. 12/3485 useless extension candidates. Maximal degree in co-relation 37187. Up to 681 conditions per place. [2021-03-26 04:00:49,043 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 470 selfloop transitions, 290 changer transitions 0/774 dead transitions. [2021-03-26 04:00:49,044 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 855 places, 774 transitions, 48261 flow [2021-03-26 04:00:49,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:00:49,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:00:49,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:00:49,045 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:00:49,045 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:00:49,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:00:49,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:00:49,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:00:49,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:49,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:49,045 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:49,045 INFO L185 Difference]: Start difference. First operand has 848 places, 770 transitions, 46677 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:00:49,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 855 places, 774 transitions, 48261 flow [2021-03-26 04:00:51,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 852 places, 774 transitions, 47814 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-26 04:00:51,399 INFO L241 Difference]: Finished difference. Result has 853 places, 770 transitions, 46813 flow [2021-03-26 04:00:51,400 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46230, PETRI_DIFFERENCE_MINUEND_PLACES=845, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=290, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46813, PETRI_PLACES=853, PETRI_TRANSITIONS=770} [2021-03-26 04:00:51,400 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 815 predicate places. [2021-03-26 04:00:51,400 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:00:51,400 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 853 places, 770 transitions, 46813 flow [2021-03-26 04:00:51,400 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 853 places, 770 transitions, 46813 flow [2021-03-26 04:00:51,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 853 places, 770 transitions, 46813 flow [2021-03-26 04:00:52,386 INFO L129 PetriNetUnfolder]: 263/3497 cut-off events. [2021-03-26 04:00:52,387 INFO L130 PetriNetUnfolder]: For 261505/261775 co-relation queries the response was YES. [2021-03-26 04:00:52,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36247 conditions, 3497 events. 263/3497 cut-off events. For 261505/261775 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 52339 event pairs, 0 based on Foata normal form. 0/3407 useless extension candidates. Maximal degree in co-relation 36042. Up to 526 conditions per place. [2021-03-26 04:00:52,482 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-26 04:00:52,567 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:00:52,567 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:00:52,567 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1167 [2021-03-26 04:00:52,567 INFO L480 AbstractCegarLoop]: Abstraction has has 853 places, 770 transitions, 46813 flow [2021-03-26 04:00:52,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:52,567 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:00:52,568 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:00:52,568 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2021-03-26 04:00:52,568 INFO L428 AbstractCegarLoop]: === Iteration 246 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:00:52,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:00:52,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1059269852, now seen corresponding path program 242 times [2021-03-26 04:00:52,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:00:52,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746187626] [2021-03-26 04:00:52,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:00:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:00:52,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:52,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:00:52,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:52,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:00:52,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:52,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:00:52,584 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:00:52,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:00:52,594 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:00:52,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:00:52,610 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:00:52,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:00:52,628 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:00:52,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:00:52,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:00:52,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746187626] [2021-03-26 04:00:52,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:00:52,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:00:52,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703833300] [2021-03-26 04:00:52,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:00:52,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:00:52,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:00:52,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:00:52,648 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:00:52,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 853 places, 770 transitions, 46813 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:52,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:00:52,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:00:52,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:00:54,459 INFO L129 PetriNetUnfolder]: 276/3521 cut-off events. [2021-03-26 04:00:54,459 INFO L130 PetriNetUnfolder]: For 264055/264178 co-relation queries the response was YES. [2021-03-26 04:00:54,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37866 conditions, 3521 events. 276/3521 cut-off events. For 264055/264178 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52302 event pairs, 13 based on Foata normal form. 12/3484 useless extension candidates. Maximal degree in co-relation 37660. Up to 681 conditions per place. [2021-03-26 04:00:54,521 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 471 selfloop transitions, 289 changer transitions 0/774 dead transitions. [2021-03-26 04:00:54,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 860 places, 774 transitions, 48405 flow [2021-03-26 04:00:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:00:54,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:00:54,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:00:54,522 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:00:54,522 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:00:54,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:00:54,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:00:54,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:00:54,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:54,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:54,523 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:54,523 INFO L185 Difference]: Start difference. First operand has 853 places, 770 transitions, 46813 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:00:54,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 860 places, 774 transitions, 48405 flow [2021-03-26 04:00:56,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 857 places, 774 transitions, 47904 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 04:00:56,886 INFO L241 Difference]: Finished difference. Result has 858 places, 770 transitions, 46893 flow [2021-03-26 04:00:56,886 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46312, PETRI_DIFFERENCE_MINUEND_PLACES=850, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=289, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46893, PETRI_PLACES=858, PETRI_TRANSITIONS=770} [2021-03-26 04:00:56,886 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 820 predicate places. [2021-03-26 04:00:56,886 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:00:56,886 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 858 places, 770 transitions, 46893 flow [2021-03-26 04:00:56,887 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 858 places, 770 transitions, 46893 flow [2021-03-26 04:00:56,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 858 places, 770 transitions, 46893 flow [2021-03-26 04:00:57,897 INFO L129 PetriNetUnfolder]: 263/3496 cut-off events. [2021-03-26 04:00:57,897 INFO L130 PetriNetUnfolder]: For 263906/264122 co-relation queries the response was YES. [2021-03-26 04:00:57,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36645 conditions, 3496 events. 263/3496 cut-off events. For 263906/264122 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52402 event pairs, 0 based on Foata normal form. 0/3407 useless extension candidates. Maximal degree in co-relation 36439. Up to 526 conditions per place. [2021-03-26 04:00:57,994 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-26 04:00:58,079 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:00:58,080 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:00:58,080 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1194 [2021-03-26 04:00:58,080 INFO L480 AbstractCegarLoop]: Abstraction has has 858 places, 770 transitions, 46893 flow [2021-03-26 04:00:58,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:58,080 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:00:58,080 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:00:58,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2021-03-26 04:00:58,080 INFO L428 AbstractCegarLoop]: === Iteration 247 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:00:58,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:00:58,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1089526684, now seen corresponding path program 243 times [2021-03-26 04:00:58,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:00:58,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351121156] [2021-03-26 04:00:58,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:00:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:00:58,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:58,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:00:58,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:58,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:00:58,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:00:58,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:00:58,097 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:00:58,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:00:58,107 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:00:58,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:00:58,122 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:00:58,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:00:58,140 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:00:58,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:00:58,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:00:58,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351121156] [2021-03-26 04:00:58,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:00:58,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:00:58,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979210735] [2021-03-26 04:00:58,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:00:58,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:00:58,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:00:58,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:00:58,160 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:00:58,160 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 858 places, 770 transitions, 46893 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:58,160 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:00:58,160 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:00:58,160 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:00:59,953 INFO L129 PetriNetUnfolder]: 276/3520 cut-off events. [2021-03-26 04:00:59,953 INFO L130 PetriNetUnfolder]: For 267182/267309 co-relation queries the response was YES. [2021-03-26 04:01:00,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38262 conditions, 3520 events. 276/3520 cut-off events. For 267182/267309 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52336 event pairs, 13 based on Foata normal form. 13/3484 useless extension candidates. Maximal degree in co-relation 38055. Up to 681 conditions per place. [2021-03-26 04:01:00,014 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 470 selfloop transitions, 290 changer transitions 0/774 dead transitions. [2021-03-26 04:01:00,015 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 865 places, 774 transitions, 48493 flow [2021-03-26 04:01:00,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:01:00,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:01:00,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:01:00,015 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:01:00,015 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:01:00,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:01:00,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:01:00,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:01:00,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:00,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:00,016 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:00,016 INFO L185 Difference]: Start difference. First operand has 858 places, 770 transitions, 46893 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:01:00,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 865 places, 774 transitions, 48493 flow [2021-03-26 04:01:02,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 860 places, 774 transitions, 47665 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-26 04:01:02,419 INFO L241 Difference]: Finished difference. Result has 861 places, 770 transitions, 46648 flow [2021-03-26 04:01:02,419 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46065, PETRI_DIFFERENCE_MINUEND_PLACES=853, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=290, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46648, PETRI_PLACES=861, PETRI_TRANSITIONS=770} [2021-03-26 04:01:02,419 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 823 predicate places. [2021-03-26 04:01:02,420 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:01:02,420 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 861 places, 770 transitions, 46648 flow [2021-03-26 04:01:02,420 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 861 places, 770 transitions, 46648 flow [2021-03-26 04:01:02,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 861 places, 770 transitions, 46648 flow [2021-03-26 04:01:03,428 INFO L129 PetriNetUnfolder]: 263/3495 cut-off events. [2021-03-26 04:01:03,428 INFO L130 PetriNetUnfolder]: For 263875/264071 co-relation queries the response was YES. [2021-03-26 04:01:03,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36764 conditions, 3495 events. 263/3495 cut-off events. For 263875/264071 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 52434 event pairs, 0 based on Foata normal form. 0/3410 useless extension candidates. Maximal degree in co-relation 36557. Up to 526 conditions per place. [2021-03-26 04:01:03,522 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-26 04:01:03,609 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:01:03,609 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:01:03,609 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1189 [2021-03-26 04:01:03,609 INFO L480 AbstractCegarLoop]: Abstraction has has 861 places, 770 transitions, 46648 flow [2021-03-26 04:01:03,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:03,609 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:01:03,609 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:01:03,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2021-03-26 04:01:03,609 INFO L428 AbstractCegarLoop]: === Iteration 248 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:01:03,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:01:03,610 INFO L82 PathProgramCache]: Analyzing trace with hash 308638032, now seen corresponding path program 244 times [2021-03-26 04:01:03,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:01:03,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400543921] [2021-03-26 04:01:03,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:01:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:01:03,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:03,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:01:03,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:03,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:01:03,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:03,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:01:03,627 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 04:01:03,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:01:03,645 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:01:03,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:01:03,660 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:01:03,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:01:03,679 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:01:03,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:01:03,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:01:03,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400543921] [2021-03-26 04:01:03,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:01:03,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:01:03,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162978479] [2021-03-26 04:01:03,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:01:03,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:01:03,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:01:03,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:01:03,698 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:01:03,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 861 places, 770 transitions, 46648 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:03,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:01:03,698 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:01:03,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:01:05,479 INFO L129 PetriNetUnfolder]: 276/3519 cut-off events. [2021-03-26 04:01:05,480 INFO L130 PetriNetUnfolder]: For 267688/267807 co-relation queries the response was YES. [2021-03-26 04:01:05,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38379 conditions, 3519 events. 276/3519 cut-off events. For 267688/267807 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52300 event pairs, 13 based on Foata normal form. 13/3483 useless extension candidates. Maximal degree in co-relation 38171. Up to 681 conditions per place. [2021-03-26 04:01:05,542 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 478 selfloop transitions, 282 changer transitions 0/774 dead transitions. [2021-03-26 04:01:05,542 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 868 places, 774 transitions, 48256 flow [2021-03-26 04:01:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:01:05,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:01:05,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:01:05,543 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:01:05,543 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:01:05,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:01:05,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:01:05,543 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:01:05,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:05,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:05,544 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:05,544 INFO L185 Difference]: Start difference. First operand has 861 places, 770 transitions, 46648 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:01:05,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 868 places, 774 transitions, 48256 flow [2021-03-26 04:01:07,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 865 places, 774 transitions, 47759 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-26 04:01:07,911 INFO L241 Difference]: Finished difference. Result has 866 places, 770 transitions, 46718 flow [2021-03-26 04:01:07,912 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46151, PETRI_DIFFERENCE_MINUEND_PLACES=858, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=282, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46718, PETRI_PLACES=866, PETRI_TRANSITIONS=770} [2021-03-26 04:01:07,912 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 828 predicate places. [2021-03-26 04:01:07,912 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:01:07,912 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 866 places, 770 transitions, 46718 flow [2021-03-26 04:01:07,912 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 866 places, 770 transitions, 46718 flow [2021-03-26 04:01:07,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 866 places, 770 transitions, 46718 flow [2021-03-26 04:01:08,954 INFO L129 PetriNetUnfolder]: 263/3494 cut-off events. [2021-03-26 04:01:08,955 INFO L130 PetriNetUnfolder]: For 267335/267515 co-relation queries the response was YES. [2021-03-26 04:01:09,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37150 conditions, 3494 events. 263/3494 cut-off events. For 267335/267515 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 52379 event pairs, 0 based on Foata normal form. 0/3411 useless extension candidates. Maximal degree in co-relation 36942. Up to 526 conditions per place. [2021-03-26 04:01:09,044 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-26 04:01:09,128 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:01:09,129 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:01:09,129 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1217 [2021-03-26 04:01:09,129 INFO L480 AbstractCegarLoop]: Abstraction has has 866 places, 770 transitions, 46718 flow [2021-03-26 04:01:09,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:09,129 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:01:09,129 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:01:09,129 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2021-03-26 04:01:09,129 INFO L428 AbstractCegarLoop]: === Iteration 249 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:01:09,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:01:09,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1872992792, now seen corresponding path program 245 times [2021-03-26 04:01:09,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:01:09,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155833710] [2021-03-26 04:01:09,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:01:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:01:09,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:09,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:01:09,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:09,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:01:09,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:09,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:01:09,146 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 04:01:09,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 04:01:09,164 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:01:09,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:01:09,179 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:01:09,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:01:09,198 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:01:09,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:01:09,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:01:09,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155833710] [2021-03-26 04:01:09,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:01:09,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:01:09,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221873434] [2021-03-26 04:01:09,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:01:09,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:01:09,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:01:09,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:01:09,217 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:01:09,217 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 866 places, 770 transitions, 46718 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:09,217 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:01:09,217 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:01:09,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:01:10,978 INFO L129 PetriNetUnfolder]: 276/3518 cut-off events. [2021-03-26 04:01:10,978 INFO L130 PetriNetUnfolder]: For 271333/271451 co-relation queries the response was YES. [2021-03-26 04:01:11,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38763 conditions, 3518 events. 276/3518 cut-off events. For 271333/271451 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52283 event pairs, 13 based on Foata normal form. 12/3481 useless extension candidates. Maximal degree in co-relation 38554. Up to 681 conditions per place. [2021-03-26 04:01:11,040 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 477 selfloop transitions, 277 changer transitions 6/774 dead transitions. [2021-03-26 04:01:11,040 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 873 places, 774 transitions, 48334 flow [2021-03-26 04:01:11,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:01:11,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:01:11,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:01:11,041 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:01:11,041 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:01:11,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:01:11,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:01:11,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:01:11,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:11,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:11,042 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:11,042 INFO L185 Difference]: Start difference. First operand has 866 places, 770 transitions, 46718 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:01:11,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 873 places, 774 transitions, 48334 flow [2021-03-26 04:01:13,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 869 places, 774 transitions, 47820 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-26 04:01:13,412 INFO L241 Difference]: Finished difference. Result has 870 places, 764 transitions, 46326 flow [2021-03-26 04:01:13,413 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46204, PETRI_DIFFERENCE_MINUEND_PLACES=862, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=277, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46326, PETRI_PLACES=870, PETRI_TRANSITIONS=764} [2021-03-26 04:01:13,413 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 832 predicate places. [2021-03-26 04:01:13,413 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:01:13,413 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 870 places, 764 transitions, 46326 flow [2021-03-26 04:01:13,413 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 870 places, 764 transitions, 46326 flow [2021-03-26 04:01:13,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 868 places, 764 transitions, 46326 flow [2021-03-26 04:01:14,437 INFO L129 PetriNetUnfolder]: 262/3477 cut-off events. [2021-03-26 04:01:14,437 INFO L130 PetriNetUnfolder]: For 268326/268443 co-relation queries the response was YES. [2021-03-26 04:01:14,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37266 conditions, 3477 events. 262/3477 cut-off events. For 268326/268443 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 52018 event pairs, 0 based on Foata normal form. 1/3428 useless extension candidates. Maximal degree in co-relation 37057. Up to 524 conditions per place. [2021-03-26 04:01:14,521 INFO L142 LiptonReduction]: Number of co-enabled transitions 4438 [2021-03-26 04:01:14,600 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:01:14,600 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:01:14,600 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1187 [2021-03-26 04:01:14,600 INFO L480 AbstractCegarLoop]: Abstraction has has 868 places, 764 transitions, 46326 flow [2021-03-26 04:01:14,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:14,600 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:01:14,600 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:01:14,601 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2021-03-26 04:01:14,601 INFO L428 AbstractCegarLoop]: === Iteration 250 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:01:14,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:01:14,601 INFO L82 PathProgramCache]: Analyzing trace with hash -585214522, now seen corresponding path program 246 times [2021-03-26 04:01:14,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:01:14,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419960089] [2021-03-26 04:01:14,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:01:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:01:14,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:14,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:01:14,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:14,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:01:14,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:14,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:01:14,617 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:01:14,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:01:14,627 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:01:14,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:01:14,642 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:01:14,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:01:14,660 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:01:14,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:01:14,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:01:14,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419960089] [2021-03-26 04:01:14,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:01:14,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:01:14,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803484838] [2021-03-26 04:01:14,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:01:14,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:01:14,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:01:14,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:01:14,679 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:01:14,680 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 868 places, 764 transitions, 46326 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:14,680 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:01:14,680 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:01:14,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:01:16,448 INFO L129 PetriNetUnfolder]: 275/3501 cut-off events. [2021-03-26 04:01:16,448 INFO L130 PetriNetUnfolder]: For 273177/273294 co-relation queries the response was YES. [2021-03-26 04:01:16,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38871 conditions, 3501 events. 275/3501 cut-off events. For 273177/273294 co-relation queries the response was YES. Maximal size of possible extension queue 629. Compared 51974 event pairs, 13 based on Foata normal form. 12/3465 useless extension candidates. Maximal degree in co-relation 38661. Up to 681 conditions per place. [2021-03-26 04:01:16,509 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 460 selfloop transitions, 279 changer transitions 15/768 dead transitions. [2021-03-26 04:01:16,509 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 875 places, 768 transitions, 47938 flow [2021-03-26 04:01:16,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:01:16,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:01:16,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:01:16,510 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:01:16,510 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:01:16,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:01:16,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:01:16,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:01:16,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:16,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:16,511 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:16,511 INFO L185 Difference]: Start difference. First operand has 868 places, 764 transitions, 46326 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:01:16,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 875 places, 768 transitions, 47938 flow [2021-03-26 04:01:18,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 869 places, 768 transitions, 47380 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 04:01:18,861 INFO L241 Difference]: Finished difference. Result has 870 places, 749 transitions, 45082 flow [2021-03-26 04:01:18,861 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45784, PETRI_DIFFERENCE_MINUEND_PLACES=862, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=764, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=279, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=485, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45082, PETRI_PLACES=870, PETRI_TRANSITIONS=749} [2021-03-26 04:01:18,861 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 832 predicate places. [2021-03-26 04:01:18,861 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:01:18,862 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 870 places, 749 transitions, 45082 flow [2021-03-26 04:01:18,862 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 870 places, 749 transitions, 45082 flow [2021-03-26 04:01:18,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 862 places, 749 transitions, 45082 flow [2021-03-26 04:01:19,783 INFO L129 PetriNetUnfolder]: 261/3434 cut-off events. [2021-03-26 04:01:19,783 INFO L130 PetriNetUnfolder]: For 257851/257968 co-relation queries the response was YES. [2021-03-26 04:01:19,835 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36184 conditions, 3434 events. 261/3434 cut-off events. For 257851/257968 co-relation queries the response was YES. Maximal size of possible extension queue 621. Compared 51156 event pairs, 0 based on Foata normal form. 1/3386 useless extension candidates. Maximal degree in co-relation 35976. Up to 522 conditions per place. [2021-03-26 04:01:19,994 INFO L142 LiptonReduction]: Number of co-enabled transitions 4308 [2021-03-26 04:01:20,070 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:01:20,070 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:01:20,070 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1209 [2021-03-26 04:01:20,071 INFO L480 AbstractCegarLoop]: Abstraction has has 862 places, 749 transitions, 45082 flow [2021-03-26 04:01:20,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:20,071 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:01:20,071 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:01:20,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2021-03-26 04:01:20,071 INFO L428 AbstractCegarLoop]: === Iteration 251 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:01:20,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:01:20,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1539229100, now seen corresponding path program 247 times [2021-03-26 04:01:20,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:01:20,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256262341] [2021-03-26 04:01:20,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:01:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:01:20,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:20,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:01:20,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:20,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:01:20,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:20,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:01:20,088 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:01:20,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:01:20,098 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 04:01:20,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:01:20,123 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:01:20,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:01:20,142 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:01:20,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:01:20,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:01:20,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256262341] [2021-03-26 04:01:20,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:01:20,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:01:20,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835884154] [2021-03-26 04:01:20,160 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:01:20,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:01:20,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:01:20,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:01:20,161 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:01:20,161 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 862 places, 749 transitions, 45082 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:20,161 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:01:20,161 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:01:20,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:01:21,884 INFO L129 PetriNetUnfolder]: 274/3458 cut-off events. [2021-03-26 04:01:21,885 INFO L130 PetriNetUnfolder]: For 262265/262384 co-relation queries the response was YES. [2021-03-26 04:01:21,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37773 conditions, 3458 events. 274/3458 cut-off events. For 262265/262384 co-relation queries the response was YES. Maximal size of possible extension queue 620. Compared 51164 event pairs, 13 based on Foata normal form. 13/3424 useless extension candidates. Maximal degree in co-relation 37564. Up to 681 conditions per place. [2021-03-26 04:01:21,948 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 475 selfloop transitions, 261 changer transitions 3/753 dead transitions. [2021-03-26 04:01:21,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 869 places, 753 transitions, 46656 flow [2021-03-26 04:01:21,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:01:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:01:21,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 04:01:21,949 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 04:01:21,949 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 04:01:21,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 04:01:21,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:01:21,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 04:01:21,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:21,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:21,950 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:21,950 INFO L185 Difference]: Start difference. First operand has 862 places, 749 transitions, 45082 flow. Second operand 8 states and 466 transitions. [2021-03-26 04:01:21,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 869 places, 753 transitions, 46656 flow [2021-03-26 04:01:24,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 858 places, 753 transitions, 45983 flow, removed 36 selfloop flow, removed 11 redundant places. [2021-03-26 04:01:24,264 INFO L241 Difference]: Finished difference. Result has 859 places, 746 transitions, 44781 flow [2021-03-26 04:01:24,264 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44457, PETRI_DIFFERENCE_MINUEND_PLACES=851, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=749, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=261, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44781, PETRI_PLACES=859, PETRI_TRANSITIONS=746} [2021-03-26 04:01:24,264 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 821 predicate places. [2021-03-26 04:01:24,264 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:01:24,264 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 859 places, 746 transitions, 44781 flow [2021-03-26 04:01:24,265 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 859 places, 746 transitions, 44781 flow [2021-03-26 04:01:24,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 857 places, 746 transitions, 44781 flow [2021-03-26 04:01:25,183 INFO L129 PetriNetUnfolder]: 260/3423 cut-off events. [2021-03-26 04:01:25,183 INFO L130 PetriNetUnfolder]: For 243351/243468 co-relation queries the response was YES. [2021-03-26 04:01:25,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34313 conditions, 3423 events. 260/3423 cut-off events. For 243351/243468 co-relation queries the response was YES. Maximal size of possible extension queue 619. Compared 50910 event pairs, 0 based on Foata normal form. 1/3375 useless extension candidates. Maximal degree in co-relation 34110. Up to 520 conditions per place. [2021-03-26 04:01:25,278 INFO L142 LiptonReduction]: Number of co-enabled transitions 4294 [2021-03-26 04:01:25,360 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:01:25,360 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:01:25,360 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1096 [2021-03-26 04:01:25,360 INFO L480 AbstractCegarLoop]: Abstraction has has 857 places, 746 transitions, 44781 flow [2021-03-26 04:01:25,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:25,360 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:01:25,361 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:01:25,361 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2021-03-26 04:01:25,361 INFO L428 AbstractCegarLoop]: === Iteration 252 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:01:25,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:01:25,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1671933284, now seen corresponding path program 248 times [2021-03-26 04:01:25,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:01:25,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083986749] [2021-03-26 04:01:25,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:01:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:01:25,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:25,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:01:25,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:25,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:01:25,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:25,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:01:25,382 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:01:25,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:01:25,392 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:01:25,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:01:25,407 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:01:25,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:01:25,426 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:01:25,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:01:25,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:01:25,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083986749] [2021-03-26 04:01:25,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:01:25,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:01:25,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347586282] [2021-03-26 04:01:25,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:01:25,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:01:25,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:01:25,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:01:25,445 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:01:25,445 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 857 places, 746 transitions, 44781 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:25,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:01:25,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:01:25,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:01:27,108 INFO L129 PetriNetUnfolder]: 273/3447 cut-off events. [2021-03-26 04:01:27,108 INFO L130 PetriNetUnfolder]: For 246015/246137 co-relation queries the response was YES. [2021-03-26 04:01:27,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35903 conditions, 3447 events. 273/3447 cut-off events. For 246015/246137 co-relation queries the response was YES. Maximal size of possible extension queue 617. Compared 50939 event pairs, 13 based on Foata normal form. 13/3413 useless extension candidates. Maximal degree in co-relation 35699. Up to 681 conditions per place. [2021-03-26 04:01:27,169 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 474 selfloop transitions, 259 changer transitions 3/750 dead transitions. [2021-03-26 04:01:27,169 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 864 places, 750 transitions, 46309 flow [2021-03-26 04:01:27,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:01:27,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:01:27,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 04:01:27,170 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 04:01:27,170 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 04:01:27,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 04:01:27,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:01:27,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 04:01:27,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:27,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:27,171 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:27,171 INFO L185 Difference]: Start difference. First operand has 857 places, 746 transitions, 44781 flow. Second operand 8 states and 466 transitions. [2021-03-26 04:01:27,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 864 places, 750 transitions, 46309 flow [2021-03-26 04:01:29,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 859 places, 750 transitions, 45784 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 04:01:29,400 INFO L241 Difference]: Finished difference. Result has 860 places, 743 transitions, 44586 flow [2021-03-26 04:01:29,400 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44264, PETRI_DIFFERENCE_MINUEND_PLACES=852, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=746, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=259, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=487, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44586, PETRI_PLACES=860, PETRI_TRANSITIONS=743} [2021-03-26 04:01:29,400 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 822 predicate places. [2021-03-26 04:01:29,400 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:01:29,401 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 860 places, 743 transitions, 44586 flow [2021-03-26 04:01:29,401 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 860 places, 743 transitions, 44586 flow [2021-03-26 04:01:29,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 858 places, 743 transitions, 44586 flow [2021-03-26 04:01:30,280 INFO L129 PetriNetUnfolder]: 259/3412 cut-off events. [2021-03-26 04:01:30,280 INFO L130 PetriNetUnfolder]: For 242336/242454 co-relation queries the response was YES. [2021-03-26 04:01:30,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34191 conditions, 3412 events. 259/3412 cut-off events. For 242336/242454 co-relation queries the response was YES. Maximal size of possible extension queue 615. Compared 50762 event pairs, 0 based on Foata normal form. 1/3364 useless extension candidates. Maximal degree in co-relation 33988. Up to 518 conditions per place. [2021-03-26 04:01:30,375 INFO L142 LiptonReduction]: Number of co-enabled transitions 4282 [2021-03-26 04:01:30,464 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:01:30,464 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:01:30,464 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1064 [2021-03-26 04:01:30,464 INFO L480 AbstractCegarLoop]: Abstraction has has 858 places, 743 transitions, 44586 flow [2021-03-26 04:01:30,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:30,464 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:01:30,465 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:01:30,465 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2021-03-26 04:01:30,465 INFO L428 AbstractCegarLoop]: === Iteration 253 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:01:30,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:01:30,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1022596158, now seen corresponding path program 249 times [2021-03-26 04:01:30,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:01:30,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057873247] [2021-03-26 04:01:30,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:01:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:01:30,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:30,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:01:30,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:30,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:01:30,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:30,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:01:30,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:30,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:01:30,491 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:01:30,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:01:30,505 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:01:30,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:01:30,524 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:01:30,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:01:30,542 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 04:01:30,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057873247] [2021-03-26 04:01:30,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:01:30,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:01:30,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070461607] [2021-03-26 04:01:30,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:01:30,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:01:30,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:01:30,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:01:30,543 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:01:30,543 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 858 places, 743 transitions, 44586 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:30,543 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:01:30,543 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:01:30,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:01:32,255 INFO L129 PetriNetUnfolder]: 272/3436 cut-off events. [2021-03-26 04:01:32,255 INFO L130 PetriNetUnfolder]: For 245140/245257 co-relation queries the response was YES. [2021-03-26 04:01:32,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35777 conditions, 3436 events. 272/3436 cut-off events. For 245140/245257 co-relation queries the response was YES. Maximal size of possible extension queue 614. Compared 50754 event pairs, 13 based on Foata normal form. 12/3401 useless extension candidates. Maximal degree in co-relation 35573. Up to 681 conditions per place. [2021-03-26 04:01:32,313 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 462 selfloop transitions, 268 changer transitions 3/747 dead transitions. [2021-03-26 04:01:32,314 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 865 places, 747 transitions, 46108 flow [2021-03-26 04:01:32,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:01:32,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:01:32,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 04:01:32,314 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 04:01:32,315 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 04:01:32,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 04:01:32,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:01:32,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 04:01:32,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:32,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:32,315 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:32,315 INFO L185 Difference]: Start difference. First operand has 858 places, 743 transitions, 44586 flow. Second operand 8 states and 466 transitions. [2021-03-26 04:01:32,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 865 places, 747 transitions, 46108 flow [2021-03-26 04:01:34,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 860 places, 747 transitions, 45585 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 04:01:34,468 INFO L241 Difference]: Finished difference. Result has 861 places, 740 transitions, 44411 flow [2021-03-26 04:01:34,468 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44071, PETRI_DIFFERENCE_MINUEND_PLACES=853, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=743, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=268, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44411, PETRI_PLACES=861, PETRI_TRANSITIONS=740} [2021-03-26 04:01:34,468 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 823 predicate places. [2021-03-26 04:01:34,468 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:01:34,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 861 places, 740 transitions, 44411 flow [2021-03-26 04:01:34,468 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 861 places, 740 transitions, 44411 flow [2021-03-26 04:01:34,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 859 places, 740 transitions, 44411 flow [2021-03-26 04:01:35,368 INFO L129 PetriNetUnfolder]: 258/3401 cut-off events. [2021-03-26 04:01:35,368 INFO L130 PetriNetUnfolder]: For 241627/241744 co-relation queries the response was YES. [2021-03-26 04:01:35,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34074 conditions, 3401 events. 258/3401 cut-off events. For 241627/241744 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 50586 event pairs, 0 based on Foata normal form. 1/3351 useless extension candidates. Maximal degree in co-relation 33871. Up to 516 conditions per place. [2021-03-26 04:01:35,455 INFO L142 LiptonReduction]: Number of co-enabled transitions 4270 [2021-03-26 04:01:35,539 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:01:35,540 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:01:35,540 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1072 [2021-03-26 04:01:35,540 INFO L480 AbstractCegarLoop]: Abstraction has has 859 places, 740 transitions, 44411 flow [2021-03-26 04:01:35,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:35,540 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:01:35,540 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:01:35,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2021-03-26 04:01:35,540 INFO L428 AbstractCegarLoop]: === Iteration 254 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:01:35,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:01:35,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1695029408, now seen corresponding path program 250 times [2021-03-26 04:01:35,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:01:35,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233574905] [2021-03-26 04:01:35,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:01:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:01:35,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:35,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:01:35,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:35,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:01:35,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:35,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:01:35,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:35,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:01:35,567 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 04:01:35,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:01:35,589 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 04:01:35,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:01:35,609 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:01:35,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:01:35,627 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 04:01:35,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233574905] [2021-03-26 04:01:35,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:01:35,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:01:35,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275399628] [2021-03-26 04:01:35,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:01:35,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:01:35,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:01:35,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:01:35,628 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:01:35,628 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 859 places, 740 transitions, 44411 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:35,628 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:01:35,628 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:01:35,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:01:37,421 INFO L129 PetriNetUnfolder]: 271/3425 cut-off events. [2021-03-26 04:01:37,421 INFO L130 PetriNetUnfolder]: For 244315/244432 co-relation queries the response was YES. [2021-03-26 04:01:37,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35656 conditions, 3425 events. 271/3425 cut-off events. For 244315/244432 co-relation queries the response was YES. Maximal size of possible extension queue 611. Compared 50519 event pairs, 13 based on Foata normal form. 12/3390 useless extension candidates. Maximal degree in co-relation 35452. Up to 681 conditions per place. [2021-03-26 04:01:37,477 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 462 selfloop transitions, 266 changer transitions 2/744 dead transitions. [2021-03-26 04:01:37,477 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 866 places, 744 transitions, 45927 flow [2021-03-26 04:01:37,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:01:37,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:01:37,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:01:37,478 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:01:37,478 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:01:37,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:01:37,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:01:37,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:01:37,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:37,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:37,479 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:37,479 INFO L185 Difference]: Start difference. First operand has 859 places, 740 transitions, 44411 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:01:37,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 866 places, 744 transitions, 45927 flow [2021-03-26 04:01:39,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 861 places, 744 transitions, 45392 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 04:01:39,569 INFO L241 Difference]: Finished difference. Result has 862 places, 738 transitions, 44263 flow [2021-03-26 04:01:39,569 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43884, PETRI_DIFFERENCE_MINUEND_PLACES=854, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=740, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=266, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=474, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44263, PETRI_PLACES=862, PETRI_TRANSITIONS=738} [2021-03-26 04:01:39,569 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 824 predicate places. [2021-03-26 04:01:39,569 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:01:39,570 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 862 places, 738 transitions, 44263 flow [2021-03-26 04:01:39,570 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 862 places, 738 transitions, 44263 flow [2021-03-26 04:01:39,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 861 places, 738 transitions, 44263 flow [2021-03-26 04:01:40,487 INFO L129 PetriNetUnfolder]: 257/3391 cut-off events. [2021-03-26 04:01:40,487 INFO L130 PetriNetUnfolder]: For 241117/241255 co-relation queries the response was YES. [2021-03-26 04:01:40,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33979 conditions, 3391 events. 257/3391 cut-off events. For 241117/241255 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 50411 event pairs, 0 based on Foata normal form. 1/3342 useless extension candidates. Maximal degree in co-relation 33776. Up to 514 conditions per place. [2021-03-26 04:01:40,581 INFO L142 LiptonReduction]: Number of co-enabled transitions 4266 [2021-03-26 04:01:40,665 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:01:40,665 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:01:40,666 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1097 [2021-03-26 04:01:40,666 INFO L480 AbstractCegarLoop]: Abstraction has has 861 places, 738 transitions, 44263 flow [2021-03-26 04:01:40,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:40,666 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:01:40,666 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:01:40,666 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2021-03-26 04:01:40,666 INFO L428 AbstractCegarLoop]: === Iteration 255 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:01:40,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:01:40,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1855235390, now seen corresponding path program 251 times [2021-03-26 04:01:40,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:01:40,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990516212] [2021-03-26 04:01:40,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:01:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:01:40,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:40,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:01:40,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:40,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:01:40,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:40,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:01:40,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:40,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 04:01:40,694 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 04:01:40,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:01:40,716 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:01:40,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:01:40,736 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:01:40,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:01:40,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:01:40,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990516212] [2021-03-26 04:01:40,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:01:40,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:01:40,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421171649] [2021-03-26 04:01:40,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:01:40,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:01:40,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:01:40,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:01:40,755 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:01:40,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 861 places, 738 transitions, 44263 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:40,756 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:01:40,756 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:01:40,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:01:42,591 INFO L129 PetriNetUnfolder]: 270/3415 cut-off events. [2021-03-26 04:01:42,591 INFO L130 PetriNetUnfolder]: For 243639/243759 co-relation queries the response was YES. [2021-03-26 04:01:42,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35558 conditions, 3415 events. 270/3415 cut-off events. For 243639/243759 co-relation queries the response was YES. Maximal size of possible extension queue 610. Compared 50394 event pairs, 13 based on Foata normal form. 13/3381 useless extension candidates. Maximal degree in co-relation 35354. Up to 681 conditions per place. [2021-03-26 04:01:42,641 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 460 selfloop transitions, 263 changer transitions 5/742 dead transitions. [2021-03-26 04:01:42,641 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 868 places, 742 transitions, 45775 flow [2021-03-26 04:01:42,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:01:42,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:01:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 04:01:42,642 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 04:01:42,642 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 04:01:42,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 04:01:42,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:01:42,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 04:01:42,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:42,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:42,642 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:42,643 INFO L185 Difference]: Start difference. First operand has 861 places, 738 transitions, 44263 flow. Second operand 8 states and 466 transitions. [2021-03-26 04:01:42,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 868 places, 742 transitions, 45775 flow [2021-03-26 04:01:44,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 864 places, 742 transitions, 45344 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-03-26 04:01:44,660 INFO L241 Difference]: Finished difference. Result has 865 places, 733 transitions, 44080 flow [2021-03-26 04:01:44,660 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43840, PETRI_DIFFERENCE_MINUEND_PLACES=857, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=738, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=263, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44080, PETRI_PLACES=865, PETRI_TRANSITIONS=733} [2021-03-26 04:01:44,660 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 827 predicate places. [2021-03-26 04:01:44,660 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:01:44,660 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 865 places, 733 transitions, 44080 flow [2021-03-26 04:01:44,660 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 865 places, 733 transitions, 44080 flow [2021-03-26 04:01:44,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 863 places, 733 transitions, 44080 flow [2021-03-26 04:01:45,525 INFO L129 PetriNetUnfolder]: 256/3369 cut-off events. [2021-03-26 04:01:45,525 INFO L130 PetriNetUnfolder]: For 237305/237405 co-relation queries the response was YES. [2021-03-26 04:01:45,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33759 conditions, 3369 events. 256/3369 cut-off events. For 237305/237405 co-relation queries the response was YES. Maximal size of possible extension queue 607. Compared 50032 event pairs, 0 based on Foata normal form. 0/3322 useless extension candidates. Maximal degree in co-relation 33557. Up to 512 conditions per place. [2021-03-26 04:01:45,618 INFO L142 LiptonReduction]: Number of co-enabled transitions 4234 [2021-03-26 04:01:45,702 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:01:45,702 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:01:45,702 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1042 [2021-03-26 04:01:45,703 INFO L480 AbstractCegarLoop]: Abstraction has has 863 places, 733 transitions, 44080 flow [2021-03-26 04:01:45,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:45,703 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:01:45,703 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:01:45,703 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2021-03-26 04:01:45,703 INFO L428 AbstractCegarLoop]: === Iteration 256 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:01:45,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:01:45,703 INFO L82 PathProgramCache]: Analyzing trace with hash 199178106, now seen corresponding path program 252 times [2021-03-26 04:01:45,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:01:45,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097371996] [2021-03-26 04:01:45,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:01:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:01:45,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:45,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:01:45,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:45,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:01:45,716 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:01:45,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:01:45,729 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:01:45,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:01:45,746 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:01:45,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:01:45,767 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 04:01:45,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:01:45,787 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:01:45,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:01:45,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:01:45,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097371996] [2021-03-26 04:01:45,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:01:45,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:01:45,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997489150] [2021-03-26 04:01:45,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:01:45,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:01:45,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:01:45,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:01:45,807 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:01:45,807 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 863 places, 733 transitions, 44080 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:45,807 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:01:45,807 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:01:45,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:01:47,633 INFO L129 PetriNetUnfolder]: 290/3649 cut-off events. [2021-03-26 04:01:47,633 INFO L130 PetriNetUnfolder]: For 254201/254243 co-relation queries the response was YES. [2021-03-26 04:01:47,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37473 conditions, 3649 events. 290/3649 cut-off events. For 254201/254243 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 54594 event pairs, 2 based on Foata normal form. 3/3607 useless extension candidates. Maximal degree in co-relation 37270. Up to 678 conditions per place. [2021-03-26 04:01:47,698 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 546 selfloop transitions, 297 changer transitions 2/859 dead transitions. [2021-03-26 04:01:47,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 870 places, 859 transitions, 52056 flow [2021-03-26 04:01:47,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:01:47,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:01:47,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:01:47,699 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:01:47,699 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:01:47,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:01:47,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:01:47,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:01:47,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:47,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:47,700 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:47,700 INFO L185 Difference]: Start difference. First operand has 863 places, 733 transitions, 44080 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:01:47,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 870 places, 859 transitions, 52056 flow [2021-03-26 04:01:49,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 865 places, 859 transitions, 51435 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 04:01:49,977 INFO L241 Difference]: Finished difference. Result has 871 places, 771 transitions, 46667 flow [2021-03-26 04:01:49,978 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43559, PETRI_DIFFERENCE_MINUEND_PLACES=858, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=733, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=259, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46667, PETRI_PLACES=871, PETRI_TRANSITIONS=771} [2021-03-26 04:01:49,978 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 833 predicate places. [2021-03-26 04:01:49,978 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:01:49,978 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 871 places, 771 transitions, 46667 flow [2021-03-26 04:01:49,978 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 871 places, 771 transitions, 46667 flow [2021-03-26 04:01:49,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 870 places, 771 transitions, 46667 flow [2021-03-26 04:01:50,949 INFO L129 PetriNetUnfolder]: 277/3616 cut-off events. [2021-03-26 04:01:50,949 INFO L130 PetriNetUnfolder]: For 261732/261935 co-relation queries the response was YES. [2021-03-26 04:01:51,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36064 conditions, 3616 events. 277/3616 cut-off events. For 261732/261935 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 54501 event pairs, 0 based on Foata normal form. 1/3533 useless extension candidates. Maximal degree in co-relation 35857. Up to 554 conditions per place. [2021-03-26 04:01:51,045 INFO L142 LiptonReduction]: Number of co-enabled transitions 4446 [2021-03-26 04:01:51,140 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:01:51,141 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:01:51,141 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1163 [2021-03-26 04:01:51,141 INFO L480 AbstractCegarLoop]: Abstraction has has 870 places, 771 transitions, 46667 flow [2021-03-26 04:01:51,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:51,141 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:01:51,141 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:01:51,141 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2021-03-26 04:01:51,142 INFO L428 AbstractCegarLoop]: === Iteration 257 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:01:51,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:01:51,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1362439686, now seen corresponding path program 253 times [2021-03-26 04:01:51,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:01:51,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818835088] [2021-03-26 04:01:51,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:01:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:01:51,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:51,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:01:51,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:51,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:01:51,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:51,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:01:51,159 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:01:51,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:01:51,170 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 04:01:51,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 04:01:51,185 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:01:51,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:01:51,203 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:01:51,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:01:51,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:01:51,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818835088] [2021-03-26 04:01:51,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:01:51,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:01:51,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079919458] [2021-03-26 04:01:51,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:01:51,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:01:51,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:01:51,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:01:51,223 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:01:51,223 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 870 places, 771 transitions, 46667 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:51,223 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:01:51,223 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:01:51,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:01:53,129 INFO L129 PetriNetUnfolder]: 290/3661 cut-off events. [2021-03-26 04:01:53,130 INFO L130 PetriNetUnfolder]: For 264891/264997 co-relation queries the response was YES. [2021-03-26 04:01:53,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37851 conditions, 3661 events. 290/3661 cut-off events. For 264891/264997 co-relation queries the response was YES. Maximal size of possible extension queue 656. Compared 54772 event pairs, 4 based on Foata normal form. 3/3615 useless extension candidates. Maximal degree in co-relation 37643. Up to 669 conditions per place. [2021-03-26 04:01:53,193 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 509 selfloop transitions, 306 changer transitions 2/831 dead transitions. [2021-03-26 04:01:53,193 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 877 places, 831 transitions, 51108 flow [2021-03-26 04:01:53,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:01:53,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:01:53,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:01:53,194 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:01:53,194 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:01:53,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:01:53,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:01:53,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:01:53,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:53,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:53,195 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:53,195 INFO L185 Difference]: Start difference. First operand has 870 places, 771 transitions, 46667 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:01:53,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 877 places, 831 transitions, 51108 flow [2021-03-26 04:01:55,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 873 places, 831 transitions, 50852 flow, removed 45 selfloop flow, removed 4 redundant places. [2021-03-26 04:01:55,573 INFO L241 Difference]: Finished difference. Result has 878 places, 793 transitions, 48548 flow [2021-03-26 04:01:55,574 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46436, PETRI_DIFFERENCE_MINUEND_PLACES=866, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=771, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=284, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=48548, PETRI_PLACES=878, PETRI_TRANSITIONS=793} [2021-03-26 04:01:55,574 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 840 predicate places. [2021-03-26 04:01:55,574 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:01:55,574 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 878 places, 793 transitions, 48548 flow [2021-03-26 04:01:55,574 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 878 places, 793 transitions, 48548 flow [2021-03-26 04:01:55,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 877 places, 793 transitions, 48548 flow [2021-03-26 04:01:56,553 INFO L129 PetriNetUnfolder]: 278/3629 cut-off events. [2021-03-26 04:01:56,554 INFO L130 PetriNetUnfolder]: For 270881/271089 co-relation queries the response was YES. [2021-03-26 04:01:56,610 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36595 conditions, 3629 events. 278/3629 cut-off events. For 270881/271089 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 54605 event pairs, 0 based on Foata normal form. 1/3543 useless extension candidates. Maximal degree in co-relation 36385. Up to 556 conditions per place. [2021-03-26 04:01:56,655 INFO L142 LiptonReduction]: Number of co-enabled transitions 4574 [2021-03-26 04:01:56,756 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:01:56,756 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:01:56,756 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1182 [2021-03-26 04:01:56,757 INFO L480 AbstractCegarLoop]: Abstraction has has 877 places, 793 transitions, 48548 flow [2021-03-26 04:01:56,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:56,757 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:01:56,757 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:01:56,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2021-03-26 04:01:56,757 INFO L428 AbstractCegarLoop]: === Iteration 258 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:01:56,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:01:56,757 INFO L82 PathProgramCache]: Analyzing trace with hash 484220564, now seen corresponding path program 254 times [2021-03-26 04:01:56,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:01:56,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996108006] [2021-03-26 04:01:56,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:01:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:01:56,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:56,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:01:56,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:01:56,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:01:56,768 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:01:56,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:01:56,781 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:01:56,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:01:56,797 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 04:01:56,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 04:01:56,812 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:01:56,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:01:56,832 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:01:56,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:01:56,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:01:56,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996108006] [2021-03-26 04:01:56,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:01:56,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:01:56,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886570409] [2021-03-26 04:01:56,851 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:01:56,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:01:56,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:01:56,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:01:56,851 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:01:56,851 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 877 places, 793 transitions, 48548 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:56,851 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:01:56,851 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:01:56,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:01:58,886 INFO L129 PetriNetUnfolder]: 295/3739 cut-off events. [2021-03-26 04:01:58,886 INFO L130 PetriNetUnfolder]: For 278701/278877 co-relation queries the response was YES. [2021-03-26 04:01:59,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38882 conditions, 3739 events. 295/3739 cut-off events. For 278701/278877 co-relation queries the response was YES. Maximal size of possible extension queue 670. Compared 56205 event pairs, 4 based on Foata normal form. 17/3703 useless extension candidates. Maximal degree in co-relation 38671. Up to 640 conditions per place. [2021-03-26 04:01:59,082 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 561 selfloop transitions, 312 changer transitions 2/889 dead transitions. [2021-03-26 04:01:59,082 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 884 places, 889 transitions, 55134 flow [2021-03-26 04:01:59,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:01:59,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:01:59,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:01:59,083 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:01:59,083 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:01:59,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:01:59,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:01:59,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:01:59,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:59,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:59,084 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:01:59,084 INFO L185 Difference]: Start difference. First operand has 877 places, 793 transitions, 48548 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:01:59,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 884 places, 889 transitions, 55134 flow [2021-03-26 04:02:01,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 879 places, 889 transitions, 54492 flow, removed 54 selfloop flow, removed 5 redundant places. [2021-03-26 04:02:01,370 INFO L241 Difference]: Finished difference. Result has 885 places, 827 transitions, 51007 flow [2021-03-26 04:02:01,370 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=47978, PETRI_DIFFERENCE_MINUEND_PLACES=872, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=793, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=278, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51007, PETRI_PLACES=885, PETRI_TRANSITIONS=827} [2021-03-26 04:02:01,370 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 847 predicate places. [2021-03-26 04:02:01,370 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:02:01,370 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 885 places, 827 transitions, 51007 flow [2021-03-26 04:02:01,370 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 885 places, 827 transitions, 51007 flow [2021-03-26 04:02:01,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 884 places, 827 transitions, 51007 flow [2021-03-26 04:02:02,397 INFO L129 PetriNetUnfolder]: 285/3711 cut-off events. [2021-03-26 04:02:02,397 INFO L130 PetriNetUnfolder]: For 283992/284194 co-relation queries the response was YES. [2021-03-26 04:02:02,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37499 conditions, 3711 events. 285/3711 cut-off events. For 283992/284194 co-relation queries the response was YES. Maximal size of possible extension queue 668. Compared 56164 event pairs, 0 based on Foata normal form. 1/3627 useless extension candidates. Maximal degree in co-relation 37285. Up to 570 conditions per place. [2021-03-26 04:02:02,499 INFO L142 LiptonReduction]: Number of co-enabled transitions 4780 [2021-03-26 04:02:02,602 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:02:02,603 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:02:02,603 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1233 [2021-03-26 04:02:02,603 INFO L480 AbstractCegarLoop]: Abstraction has has 884 places, 827 transitions, 51007 flow [2021-03-26 04:02:02,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:02:02,603 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:02:02,603 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:02:02,603 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable257 [2021-03-26 04:02:02,603 INFO L428 AbstractCegarLoop]: === Iteration 259 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:02:02,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:02:02,603 INFO L82 PathProgramCache]: Analyzing trace with hash 594261394, now seen corresponding path program 255 times [2021-03-26 04:02:02,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:02:02,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717650864] [2021-03-26 04:02:02,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:02:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:02:02,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:02:02,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:02:02,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:02:02,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:02:02,616 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:02:02,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:02:02,629 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:02:02,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:02:02,646 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 04:02:02,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:02:02,668 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:02:02,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:02:02,687 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:02:02,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:02:02,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:02:02,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717650864] [2021-03-26 04:02:02,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:02:02,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:02:02,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069607348] [2021-03-26 04:02:02,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:02:02,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:02:02,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:02:02,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:02:02,707 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:02:02,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 884 places, 827 transitions, 51007 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:02:02,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:02:02,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:02:02,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:02:04,840 INFO L129 PetriNetUnfolder]: 294/3728 cut-off events. [2021-03-26 04:02:04,840 INFO L130 PetriNetUnfolder]: For 287354/287534 co-relation queries the response was YES. [2021-03-26 04:02:04,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39130 conditions, 3728 events. 294/3728 cut-off events. For 287354/287534 co-relation queries the response was YES. Maximal size of possible extension queue 668. Compared 55920 event pairs, 4 based on Foata normal form. 26/3701 useless extension candidates. Maximal degree in co-relation 38915. Up to 570 conditions per place. [2021-03-26 04:02:04,898 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 483 selfloop transitions, 343 changer transitions 2/842 dead transitions. [2021-03-26 04:02:04,898 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 891 places, 842 transitions, 53389 flow [2021-03-26 04:02:04,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:02:04,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:02:04,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:02:04,899 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:02:04,899 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:02:04,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:02:04,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:02:04,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:02:04,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:02:04,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:02:04,900 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:02:04,900 INFO L185 Difference]: Start difference. First operand has 884 places, 827 transitions, 51007 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:02:04,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 891 places, 842 transitions, 53389 flow [2021-03-26 04:02:07,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 885 places, 842 transitions, 52899 flow, removed 64 selfloop flow, removed 6 redundant places. [2021-03-26 04:02:07,383 INFO L241 Difference]: Finished difference. Result has 887 places, 829 transitions, 51426 flow [2021-03-26 04:02:07,383 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=50525, PETRI_DIFFERENCE_MINUEND_PLACES=878, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=827, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=339, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51426, PETRI_PLACES=887, PETRI_TRANSITIONS=829} [2021-03-26 04:02:07,383 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 849 predicate places. [2021-03-26 04:02:07,384 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:02:07,384 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 887 places, 829 transitions, 51426 flow [2021-03-26 04:02:07,384 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 887 places, 829 transitions, 51426 flow [2021-03-26 04:02:07,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 885 places, 829 transitions, 51426 flow [2021-03-26 04:02:08,423 INFO L129 PetriNetUnfolder]: 284/3701 cut-off events. [2021-03-26 04:02:08,423 INFO L130 PetriNetUnfolder]: For 287419/287612 co-relation queries the response was YES. [2021-03-26 04:02:08,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37587 conditions, 3701 events. 284/3701 cut-off events. For 287419/287612 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 55850 event pairs, 0 based on Foata normal form. 0/3615 useless extension candidates. Maximal degree in co-relation 37373. Up to 568 conditions per place. [2021-03-26 04:02:08,525 INFO L142 LiptonReduction]: Number of co-enabled transitions 4792 [2021-03-26 04:02:08,634 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:02:08,634 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:02:08,634 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1250 [2021-03-26 04:02:08,634 INFO L480 AbstractCegarLoop]: Abstraction has has 885 places, 829 transitions, 51426 flow [2021-03-26 04:02:08,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:02:08,634 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:02:08,634 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:02:08,634 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable258 [2021-03-26 04:02:08,634 INFO L428 AbstractCegarLoop]: === Iteration 260 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:02:08,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:02:08,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1513736530, now seen corresponding path program 256 times [2021-03-26 04:02:08,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:02:08,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305737513] [2021-03-26 04:02:08,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:02:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:02:08,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:02:08,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:02:08,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:02:08,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:02:08,646 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 04:02:08,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 04:02:08,657 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 04:02:08,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 04:02:08,674 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 04:02:08,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 04:02:08,696 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 04:02:08,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 04:02:08,716 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:02:08,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:02:08,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:02:08,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305737513] [2021-03-26 04:02:08,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:02:08,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:02:08,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668824462] [2021-03-26 04:02:08,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:02:08,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:02:08,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:02:08,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:02:08,735 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:02:08,735 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 885 places, 829 transitions, 51426 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:02:08,736 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:02:08,736 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:02:08,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:02:10,839 INFO L129 PetriNetUnfolder]: 293/3718 cut-off events. [2021-03-26 04:02:10,840 INFO L130 PetriNetUnfolder]: For 290916/291096 co-relation queries the response was YES. [2021-03-26 04:02:10,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39219 conditions, 3718 events. 293/3718 cut-off events. For 290916/291096 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 55789 event pairs, 4 based on Foata normal form. 26/3691 useless extension candidates. Maximal degree in co-relation 39004. Up to 568 conditions per place. [2021-03-26 04:02:10,903 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 482 selfloop transitions, 341 changer transitions 3/840 dead transitions. [2021-03-26 04:02:10,903 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 892 places, 840 transitions, 53536 flow [2021-03-26 04:02:10,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:02:10,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:02:10,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:02:10,904 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:02:10,904 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:02:10,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:02:10,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:02:10,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:02:10,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:02:10,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:02:10,905 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:02:10,905 INFO L185 Difference]: Start difference. First operand has 885 places, 829 transitions, 51426 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:02:10,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 892 places, 840 transitions, 53536 flow [2021-03-26 04:02:13,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 886 places, 840 transitions, 52727 flow, removed 41 selfloop flow, removed 6 redundant places. [2021-03-26 04:02:13,356 INFO L241 Difference]: Finished difference. Result has 887 places, 826 transitions, 51130 flow [2021-03-26 04:02:13,356 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=50625, PETRI_DIFFERENCE_MINUEND_PLACES=879, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=829, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=341, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51130, PETRI_PLACES=887, PETRI_TRANSITIONS=826} [2021-03-26 04:02:13,356 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 849 predicate places. [2021-03-26 04:02:13,356 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 04:02:13,356 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 887 places, 826 transitions, 51130 flow [2021-03-26 04:02:13,357 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 887 places, 826 transitions, 51130 flow [2021-03-26 04:02:13,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 885 places, 826 transitions, 51130 flow [2021-03-26 04:02:14,404 INFO L129 PetriNetUnfolder]: 283/3690 cut-off events. [2021-03-26 04:02:14,405 INFO L130 PetriNetUnfolder]: For 285688/285886 co-relation queries the response was YES. [2021-03-26 04:02:14,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37401 conditions, 3690 events. 283/3690 cut-off events. For 285688/285886 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 55748 event pairs, 0 based on Foata normal form. 0/3608 useless extension candidates. Maximal degree in co-relation 37188. Up to 566 conditions per place. [2021-03-26 04:02:14,504 INFO L142 LiptonReduction]: Number of co-enabled transitions 4786 [2021-03-26 04:02:14,615 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 04:02:14,615 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 04:02:14,615 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1259 [2021-03-26 04:02:14,615 INFO L480 AbstractCegarLoop]: Abstraction has has 885 places, 826 transitions, 51130 flow [2021-03-26 04:02:14,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:02:14,616 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 04:02:14,616 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 04:02:14,616 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable259 [2021-03-26 04:02:14,616 INFO L428 AbstractCegarLoop]: === Iteration 261 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 04:02:14,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 04:02:14,616 INFO L82 PathProgramCache]: Analyzing trace with hash 245564578, now seen corresponding path program 257 times [2021-03-26 04:02:14,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 04:02:14,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513938811] [2021-03-26 04:02:14,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 04:02:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 04:02:14,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:02:14,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 04:02:14,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:02:14,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 04:02:14,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 04:02:14,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 04:02:14,639 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 04:02:14,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 04:02:14,651 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 04:02:14,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 04:02:14,666 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 04:02:14,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 04:02:14,685 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 04:02:14,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 04:02:14,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 04:02:14,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513938811] [2021-03-26 04:02:14,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 04:02:14,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 04:02:14,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066756015] [2021-03-26 04:02:14,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 04:02:14,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 04:02:14,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 04:02:14,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 04:02:14,704 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 04:02:14,705 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 885 places, 826 transitions, 51130 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:02:14,705 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 04:02:14,705 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 04:02:14,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:02:16,783 INFO L129 PetriNetUnfolder]: 292/3707 cut-off events. [2021-03-26 04:02:16,783 INFO L130 PetriNetUnfolder]: For 288168/288210 co-relation queries the response was YES. [2021-03-26 04:02:16,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39029 conditions, 3707 events. 292/3707 cut-off events. For 288168/288210 co-relation queries the response was YES. Maximal size of possible extension queue 664. Compared 55600 event pairs, 5 based on Foata normal form. 8/3670 useless extension candidates. Maximal degree in co-relation 38815. Up to 566 conditions per place. [2021-03-26 04:02:16,850 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 503 selfloop transitions, 320 changer transitions 0/837 dead transitions. [2021-03-26 04:02:16,850 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 892 places, 837 transitions, 53234 flow [2021-03-26 04:02:16,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 04:02:16,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 04:02:16,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 04:02:16,851 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 04:02:16,851 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 04:02:16,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 04:02:16,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:02:16,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 04:02:16,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:02:16,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:02:16,852 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:02:16,852 INFO L185 Difference]: Start difference. First operand has 885 places, 826 transitions, 51130 flow. Second operand 8 states and 467 transitions. [2021-03-26 04:02:16,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 892 places, 837 transitions, 53234 flow Received shutdown request... [2021-03-26 04:02:17,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable260 [2021-03-26 04:02:17,236 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 04:02:17,242 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 04:02:17,242 INFO L202 PluginConnector]: Adding new model example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 04:02:17 BasicIcfg [2021-03-26 04:02:17,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 04:02:17,243 INFO L168 Benchmark]: Toolchain (without parser) took 839521.33 ms. Allocated memory was 255.9 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 236.7 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 577.7 MB. Max. memory is 16.0 GB. [2021-03-26 04:02:17,243 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 04:02:17,243 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.25 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 04:02:17,243 INFO L168 Benchmark]: Boogie Preprocessor took 11.73 ms. Allocated memory is still 255.9 MB. Free memory was 235.2 MB in the beginning and 234.3 MB in the end (delta: 854.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 04:02:17,243 INFO L168 Benchmark]: RCFGBuilder took 247.36 ms. Allocated memory is still 255.9 MB. Free memory was 234.3 MB in the beginning and 239.8 MB in the end (delta: -5.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.0 GB. [2021-03-26 04:02:17,243 INFO L168 Benchmark]: TraceAbstraction took 839235.86 ms. Allocated memory was 255.9 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 239.1 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 578.4 MB. Max. memory is 16.0 GB. [2021-03-26 04:02:17,243 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.25 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 11.73 ms. Allocated memory is still 255.9 MB. Free memory was 235.2 MB in the beginning and 234.3 MB in the end (delta: 854.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 247.36 ms. Allocated memory is still 255.9 MB. Free memory was 234.3 MB in the beginning and 239.8 MB in the end (delta: -5.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 839235.86 ms. Allocated memory was 255.9 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 239.1 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 578.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 171.0ms, 44 PlacesBefore, 38 PlacesAfterwards, 55 TransitionsBefore, 49 TransitionsAfterwards, 780 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 225 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 225, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 225, positive: 225, positive conditional: 0, positive unconditional: 225, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 225, positive: 225, positive conditional: 0, positive unconditional: 225, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 225, positive: 225, positive conditional: 0, positive unconditional: 225, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 225, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 225, unknown conditional: 225, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 11.3ms, 28 PlacesBefore, 28 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 270 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 9.2ms, 29 PlacesBefore, 29 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 6.7ms, 30 PlacesBefore, 30 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 4.1ms, 31 PlacesBefore, 31 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 108 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 6.9ms, 43 PlacesBefore, 43 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 152 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 27.6ms, 55 PlacesBefore, 55 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 208 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 62.0ms, 67 PlacesBefore, 67 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 66.1ms, 79 PlacesBefore, 79 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 434 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 80.7ms, 91 PlacesBefore, 91 PlacesAfterwards, 75 TransitionsBefore, 75 TransitionsAfterwards, 544 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 121.9ms, 103 PlacesBefore, 102 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 634 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 142.8ms, 113 PlacesBefore, 113 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 744 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 157.6ms, 125 PlacesBefore, 125 PlacesAfterwards, 111 TransitionsBefore, 111 TransitionsAfterwards, 846 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 190.4ms, 137 PlacesBefore, 137 PlacesAfterwards, 121 TransitionsBefore, 121 TransitionsAfterwards, 962 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 186.7ms, 148 PlacesBefore, 148 PlacesAfterwards, 137 TransitionsBefore, 137 TransitionsAfterwards, 1066 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 217.3ms, 158 PlacesBefore, 158 PlacesAfterwards, 143 TransitionsBefore, 143 TransitionsAfterwards, 1122 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 186.3ms, 167 PlacesBefore, 167 PlacesAfterwards, 148 TransitionsBefore, 148 TransitionsAfterwards, 1186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 224.6ms, 174 PlacesBefore, 174 PlacesAfterwards, 150 TransitionsBefore, 150 TransitionsAfterwards, 1206 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 299.9ms, 183 PlacesBefore, 183 PlacesAfterwards, 213 TransitionsBefore, 213 TransitionsAfterwards, 1398 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 311.4ms, 192 PlacesBefore, 192 PlacesAfterwards, 216 TransitionsBefore, 216 TransitionsAfterwards, 1434 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 379.6ms, 201 PlacesBefore, 201 PlacesAfterwards, 255 TransitionsBefore, 255 TransitionsAfterwards, 1590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 353.4ms, 211 PlacesBefore, 211 PlacesAfterwards, 262 TransitionsBefore, 262 TransitionsAfterwards, 1648 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 344.9ms, 219 PlacesBefore, 219 PlacesAfterwards, 279 TransitionsBefore, 279 TransitionsAfterwards, 1798 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 313.3ms, 223 PlacesBefore, 223 PlacesAfterwards, 282 TransitionsBefore, 282 TransitionsAfterwards, 1828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 344.4ms, 230 PlacesBefore, 230 PlacesAfterwards, 311 TransitionsBefore, 311 TransitionsAfterwards, 1990 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 358.6ms, 239 PlacesBefore, 239 PlacesAfterwards, 322 TransitionsBefore, 322 TransitionsAfterwards, 2106 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 439.9ms, 249 PlacesBefore, 249 PlacesAfterwards, 330 TransitionsBefore, 330 TransitionsAfterwards, 2174 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 400.3ms, 258 PlacesBefore, 258 PlacesAfterwards, 338 TransitionsBefore, 338 TransitionsAfterwards, 2252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 398.6ms, 265 PlacesBefore, 265 PlacesAfterwards, 345 TransitionsBefore, 345 TransitionsAfterwards, 2332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 385.9ms, 274 PlacesBefore, 274 PlacesAfterwards, 354 TransitionsBefore, 354 TransitionsAfterwards, 2440 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 414.3ms, 280 PlacesBefore, 280 PlacesAfterwards, 357 TransitionsBefore, 357 TransitionsAfterwards, 2466 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 400.1ms, 285 PlacesBefore, 285 PlacesAfterwards, 360 TransitionsBefore, 360 TransitionsAfterwards, 2490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 385.3ms, 289 PlacesBefore, 289 PlacesAfterwards, 360 TransitionsBefore, 360 TransitionsAfterwards, 2490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 507.2ms, 293 PlacesBefore, 293 PlacesAfterwards, 360 TransitionsBefore, 360 TransitionsAfterwards, 2490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 402.0ms, 292 PlacesBefore, 292 PlacesAfterwards, 363 TransitionsBefore, 363 TransitionsAfterwards, 2514 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 395.3ms, 297 PlacesBefore, 297 PlacesAfterwards, 375 TransitionsBefore, 375 TransitionsAfterwards, 2616 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 449.9ms, 302 PlacesBefore, 302 PlacesAfterwards, 375 TransitionsBefore, 375 TransitionsAfterwards, 2616 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 462.7ms, 307 PlacesBefore, 307 PlacesAfterwards, 378 TransitionsBefore, 378 TransitionsAfterwards, 2650 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 402.1ms, 313 PlacesBefore, 313 PlacesAfterwards, 381 TransitionsBefore, 381 TransitionsAfterwards, 2682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 397.9ms, 315 PlacesBefore, 315 PlacesAfterwards, 381 TransitionsBefore, 381 TransitionsAfterwards, 2682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 409.9ms, 319 PlacesBefore, 295 PlacesAfterwards, 328 TransitionsBefore, 328 TransitionsAfterwards, 2122 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 337.1ms, 266 PlacesBefore, 265 PlacesAfterwards, 341 TransitionsBefore, 341 TransitionsAfterwards, 2266 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 346.8ms, 274 PlacesBefore, 273 PlacesAfterwards, 345 TransitionsBefore, 345 TransitionsAfterwards, 2314 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 391.4ms, 281 PlacesBefore, 280 PlacesAfterwards, 362 TransitionsBefore, 362 TransitionsAfterwards, 2508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 364.1ms, 284 PlacesBefore, 284 PlacesAfterwards, 362 TransitionsBefore, 362 TransitionsAfterwards, 2508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 360.3ms, 288 PlacesBefore, 288 PlacesAfterwards, 362 TransitionsBefore, 362 TransitionsAfterwards, 2508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 366.0ms, 294 PlacesBefore, 294 PlacesAfterwards, 363 TransitionsBefore, 363 TransitionsAfterwards, 2522 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 366.5ms, 299 PlacesBefore, 299 PlacesAfterwards, 364 TransitionsBefore, 364 TransitionsAfterwards, 2536 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 380.1ms, 304 PlacesBefore, 298 PlacesAfterwards, 356 TransitionsBefore, 356 TransitionsAfterwards, 2438 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 367.5ms, 298 PlacesBefore, 297 PlacesAfterwards, 357 TransitionsBefore, 357 TransitionsAfterwards, 2454 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 421.7ms, 303 PlacesBefore, 302 PlacesAfterwards, 373 TransitionsBefore, 373 TransitionsAfterwards, 2588 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 451.3ms, 309 PlacesBefore, 308 PlacesAfterwards, 377 TransitionsBefore, 377 TransitionsAfterwards, 2638 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 425.0ms, 316 PlacesBefore, 315 PlacesAfterwards, 391 TransitionsBefore, 391 TransitionsAfterwards, 2776 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 441.9ms, 320 PlacesBefore, 319 PlacesAfterwards, 390 TransitionsBefore, 390 TransitionsAfterwards, 2760 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 459.1ms, 323 PlacesBefore, 322 PlacesAfterwards, 390 TransitionsBefore, 390 TransitionsAfterwards, 2750 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 462.2ms, 328 PlacesBefore, 328 PlacesAfterwards, 404 TransitionsBefore, 404 TransitionsAfterwards, 2788 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 452.0ms, 333 PlacesBefore, 331 PlacesAfterwards, 400 TransitionsBefore, 400 TransitionsAfterwards, 2742 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 435.9ms, 332 PlacesBefore, 331 PlacesAfterwards, 398 TransitionsBefore, 398 TransitionsAfterwards, 2730 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 481.6ms, 333 PlacesBefore, 332 PlacesAfterwards, 396 TransitionsBefore, 396 TransitionsAfterwards, 2712 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 428.5ms, 335 PlacesBefore, 333 PlacesAfterwards, 393 TransitionsBefore, 393 TransitionsAfterwards, 2682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 429.0ms, 337 PlacesBefore, 337 PlacesAfterwards, 411 TransitionsBefore, 411 TransitionsAfterwards, 2738 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 443.9ms, 342 PlacesBefore, 341 PlacesAfterwards, 413 TransitionsBefore, 413 TransitionsAfterwards, 2754 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 412.3ms, 345 PlacesBefore, 343 PlacesAfterwards, 410 TransitionsBefore, 410 TransitionsAfterwards, 2730 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 436.7ms, 345 PlacesBefore, 344 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2716 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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: 434.8ms, 347 PlacesBefore, 346 PlacesAfterwards, 406 TransitionsBefore, 406 TransitionsAfterwards, 2712 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 489.9ms, 353 PlacesBefore, 352 PlacesAfterwards, 415 TransitionsBefore, 415 TransitionsAfterwards, 2794 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 470.3ms, 360 PlacesBefore, 359 PlacesAfterwards, 435 TransitionsBefore, 435 TransitionsAfterwards, 3000 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 475.8ms, 363 PlacesBefore, 363 PlacesAfterwards, 435 TransitionsBefore, 435 TransitionsAfterwards, 3000 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 551.2ms, 368 PlacesBefore, 368 PlacesAfterwards, 435 TransitionsBefore, 435 TransitionsAfterwards, 3000 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 462.3ms, 372 PlacesBefore, 371 PlacesAfterwards, 434 TransitionsBefore, 434 TransitionsAfterwards, 2998 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 474.1ms, 377 PlacesBefore, 377 PlacesAfterwards, 437 TransitionsBefore, 437 TransitionsAfterwards, 3040 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 533.0ms, 382 PlacesBefore, 382 PlacesAfterwards, 437 TransitionsBefore, 437 TransitionsAfterwards, 3040 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 465.5ms, 386 PlacesBefore, 380 PlacesAfterwards, 423 TransitionsBefore, 423 TransitionsAfterwards, 2896 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 457.9ms, 377 PlacesBefore, 376 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 2874 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 529.0ms, 380 PlacesBefore, 380 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 2874 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 461.4ms, 383 PlacesBefore, 381 PlacesAfterwards, 416 TransitionsBefore, 416 TransitionsAfterwards, 2828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 447.7ms, 385 PlacesBefore, 384 PlacesAfterwards, 415 TransitionsBefore, 415 TransitionsAfterwards, 2828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 451.6ms, 388 PlacesBefore, 387 PlacesAfterwards, 413 TransitionsBefore, 413 TransitionsAfterwards, 2824 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 464.8ms, 390 PlacesBefore, 390 PlacesAfterwards, 422 TransitionsBefore, 422 TransitionsAfterwards, 2848 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 486.9ms, 395 PlacesBefore, 394 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 2830 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 434.9ms, 398 PlacesBefore, 397 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 2836 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 504.6ms, 400 PlacesBefore, 398 PlacesAfterwards, 416 TransitionsBefore, 416 TransitionsAfterwards, 2800 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 486.5ms, 404 PlacesBefore, 403 PlacesAfterwards, 434 TransitionsBefore, 434 TransitionsAfterwards, 2954 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 518.0ms, 410 PlacesBefore, 409 PlacesAfterwards, 438 TransitionsBefore, 438 TransitionsAfterwards, 2974 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 509.9ms, 413 PlacesBefore, 412 PlacesAfterwards, 439 TransitionsBefore, 439 TransitionsAfterwards, 2996 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 495.1ms, 416 PlacesBefore, 416 PlacesAfterwards, 447 TransitionsBefore, 447 TransitionsAfterwards, 3012 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 503.6ms, 423 PlacesBefore, 421 PlacesAfterwards, 444 TransitionsBefore, 444 TransitionsAfterwards, 2994 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 535.3ms, 424 PlacesBefore, 423 PlacesAfterwards, 445 TransitionsBefore, 445 TransitionsAfterwards, 3006 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 494.9ms, 426 PlacesBefore, 425 PlacesAfterwards, 443 TransitionsBefore, 443 TransitionsAfterwards, 2996 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 483.5ms, 429 PlacesBefore, 429 PlacesAfterwards, 448 TransitionsBefore, 448 TransitionsAfterwards, 3066 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 549.1ms, 433 PlacesBefore, 433 PlacesAfterwards, 448 TransitionsBefore, 448 TransitionsAfterwards, 3066 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 497.5ms, 438 PlacesBefore, 437 PlacesAfterwards, 446 TransitionsBefore, 446 TransitionsAfterwards, 3048 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 508.8ms, 440 PlacesBefore, 440 PlacesAfterwards, 446 TransitionsBefore, 446 TransitionsAfterwards, 3048 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 509.3ms, 443 PlacesBefore, 443 PlacesAfterwards, 446 TransitionsBefore, 446 TransitionsAfterwards, 3048 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 506.8ms, 448 PlacesBefore, 447 PlacesAfterwards, 445 TransitionsBefore, 445 TransitionsAfterwards, 3058 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 500.8ms, 452 PlacesBefore, 451 PlacesAfterwards, 443 TransitionsBefore, 443 TransitionsAfterwards, 3046 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 504.4ms, 455 PlacesBefore, 455 PlacesAfterwards, 443 TransitionsBefore, 443 TransitionsAfterwards, 3046 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 497.0ms, 460 PlacesBefore, 454 PlacesAfterwards, 432 TransitionsBefore, 432 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: 458.4ms, 449 PlacesBefore, 448 PlacesAfterwards, 430 TransitionsBefore, 430 TransitionsAfterwards, 2920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 459.1ms, 453 PlacesBefore, 453 PlacesAfterwards, 430 TransitionsBefore, 430 TransitionsAfterwards, 2920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 471.6ms, 456 PlacesBefore, 454 PlacesAfterwards, 427 TransitionsBefore, 427 TransitionsAfterwards, 2890 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 503.4ms, 457 PlacesBefore, 456 PlacesAfterwards, 426 TransitionsBefore, 426 TransitionsAfterwards, 2888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 453.5ms, 460 PlacesBefore, 459 PlacesAfterwards, 424 TransitionsBefore, 424 TransitionsAfterwards, 2878 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 494.0ms, 461 PlacesBefore, 459 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 2842 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 466.6ms, 463 PlacesBefore, 462 PlacesAfterwards, 427 TransitionsBefore, 427 TransitionsAfterwards, 2908 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 490.1ms, 467 PlacesBefore, 467 PlacesAfterwards, 428 TransitionsBefore, 428 TransitionsAfterwards, 2916 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 453.5ms, 471 PlacesBefore, 470 PlacesAfterwards, 428 TransitionsBefore, 428 TransitionsAfterwards, 2922 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 480.1ms, 476 PlacesBefore, 474 PlacesAfterwards, 426 TransitionsBefore, 426 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: 459.9ms, 475 PlacesBefore, 474 PlacesAfterwards, 425 TransitionsBefore, 425 TransitionsAfterwards, 2914 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 466.3ms, 478 PlacesBefore, 477 PlacesAfterwards, 423 TransitionsBefore, 423 TransitionsAfterwards, 2902 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 455.4ms, 479 PlacesBefore, 478 PlacesAfterwards, 421 TransitionsBefore, 421 TransitionsAfterwards, 2888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 451.7ms, 483 PlacesBefore, 482 PlacesAfterwards, 424 TransitionsBefore, 424 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: 440.1ms, 487 PlacesBefore, 486 PlacesAfterwards, 422 TransitionsBefore, 422 TransitionsAfterwards, 2920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 435.7ms, 489 PlacesBefore, 489 PlacesAfterwards, 422 TransitionsBefore, 422 TransitionsAfterwards, 2920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 455.1ms, 494 PlacesBefore, 493 PlacesAfterwards, 431 TransitionsBefore, 431 TransitionsAfterwards, 3006 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 456.1ms, 496 PlacesBefore, 495 PlacesAfterwards, 429 TransitionsBefore, 429 TransitionsAfterwards, 2996 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 459.0ms, 498 PlacesBefore, 496 PlacesAfterwards, 426 TransitionsBefore, 426 TransitionsAfterwards, 2972 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 449.7ms, 498 PlacesBefore, 498 PlacesAfterwards, 426 TransitionsBefore, 426 TransitionsAfterwards, 2972 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 440.8ms, 504 PlacesBefore, 503 PlacesAfterwards, 424 TransitionsBefore, 424 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: 441.6ms, 505 PlacesBefore, 504 PlacesAfterwards, 422 TransitionsBefore, 422 TransitionsAfterwards, 2956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 439.7ms, 507 PlacesBefore, 505 PlacesAfterwards, 418 TransitionsBefore, 418 TransitionsAfterwards, 2928 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 429.4ms, 508 PlacesBefore, 507 PlacesAfterwards, 417 TransitionsBefore, 417 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: 453.9ms, 509 PlacesBefore, 509 PlacesAfterwards, 417 TransitionsBefore, 417 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: 440.5ms, 512 PlacesBefore, 510 PlacesAfterwards, 412 TransitionsBefore, 412 TransitionsAfterwards, 2888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 414.4ms, 512 PlacesBefore, 511 PlacesAfterwards, 410 TransitionsBefore, 410 TransitionsAfterwards, 2878 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 417.0ms, 515 PlacesBefore, 514 PlacesAfterwards, 408 TransitionsBefore, 408 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: 412.7ms, 517 PlacesBefore, 517 PlacesAfterwards, 408 TransitionsBefore, 408 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: 422.6ms, 521 PlacesBefore, 521 PlacesAfterwards, 408 TransitionsBefore, 408 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: 416.6ms, 526 PlacesBefore, 526 PlacesAfterwards, 408 TransitionsBefore, 408 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: 421.9ms, 530 PlacesBefore, 530 PlacesAfterwards, 408 TransitionsBefore, 408 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: 405.1ms, 535 PlacesBefore, 529 PlacesAfterwards, 394 TransitionsBefore, 394 TransitionsAfterwards, 2736 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 402.7ms, 529 PlacesBefore, 529 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2774 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 392.8ms, 534 PlacesBefore, 534 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2774 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 484.4ms, 544 PlacesBefore, 543 PlacesAfterwards, 438 TransitionsBefore, 438 TransitionsAfterwards, 3026 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 562.0ms, 553 PlacesBefore, 552 PlacesAfterwards, 462 TransitionsBefore, 462 TransitionsAfterwards, 3248 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 579.1ms, 558 PlacesBefore, 558 PlacesAfterwards, 463 TransitionsBefore, 463 TransitionsAfterwards, 3250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 621.9ms, 561 PlacesBefore, 561 PlacesAfterwards, 463 TransitionsBefore, 463 TransitionsAfterwards, 3250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 574.8ms, 565 PlacesBefore, 565 PlacesAfterwards, 466 TransitionsBefore, 466 TransitionsAfterwards, 3256 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 598.7ms, 574 PlacesBefore, 573 PlacesAfterwards, 504 TransitionsBefore, 504 TransitionsAfterwards, 3446 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 783.7ms, 583 PlacesBefore, 582 PlacesAfterwards, 532 TransitionsBefore, 532 TransitionsAfterwards, 3686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 623.5ms, 586 PlacesBefore, 586 PlacesAfterwards, 532 TransitionsBefore, 532 TransitionsAfterwards, 3686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 649.4ms, 590 PlacesBefore, 590 PlacesAfterwards, 533 TransitionsBefore, 533 TransitionsAfterwards, 3688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 754.4ms, 599 PlacesBefore, 598 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 3956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 758.4ms, 603 PlacesBefore, 603 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 3956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 895.0ms, 604 PlacesBefore, 604 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 3956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 757.1ms, 610 PlacesBefore, 610 PlacesAfterwards, 564 TransitionsBefore, 564 TransitionsAfterwards, 3960 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 825.0ms, 614 PlacesBefore, 614 PlacesAfterwards, 564 TransitionsBefore, 564 TransitionsAfterwards, 3960 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 763.2ms, 623 PlacesBefore, 622 PlacesAfterwards, 578 TransitionsBefore, 578 TransitionsAfterwards, 4068 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 778.7ms, 627 PlacesBefore, 627 PlacesAfterwards, 589 TransitionsBefore, 589 TransitionsAfterwards, 4116 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 801.9ms, 635 PlacesBefore, 635 PlacesAfterwards, 594 TransitionsBefore, 594 TransitionsAfterwards, 4172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 823.0ms, 640 PlacesBefore, 640 PlacesAfterwards, 594 TransitionsBefore, 594 TransitionsAfterwards, 4172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 877.5ms, 643 PlacesBefore, 643 PlacesAfterwards, 594 TransitionsBefore, 594 TransitionsAfterwards, 4172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 832.0ms, 651 PlacesBefore, 650 PlacesAfterwards, 601 TransitionsBefore, 601 TransitionsAfterwards, 4220 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 925.3ms, 654 PlacesBefore, 654 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 4222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 813.9ms, 658 PlacesBefore, 658 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 4222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 811.4ms, 663 PlacesBefore, 663 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 4222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 854.3ms, 666 PlacesBefore, 666 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 4222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 836.5ms, 670 PlacesBefore, 670 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 4226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 851.5ms, 675 PlacesBefore, 675 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 4226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 884.5ms, 679 PlacesBefore, 679 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 4226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 978.1ms, 683 PlacesBefore, 683 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 4226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 844.8ms, 689 PlacesBefore, 689 PlacesAfterwards, 605 TransitionsBefore, 605 TransitionsAfterwards, 4240 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 843.7ms, 694 PlacesBefore, 694 PlacesAfterwards, 607 TransitionsBefore, 607 TransitionsAfterwards, 4268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 868.9ms, 699 PlacesBefore, 699 PlacesAfterwards, 607 TransitionsBefore, 607 TransitionsAfterwards, 4268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 882.8ms, 702 PlacesBefore, 702 PlacesAfterwards, 607 TransitionsBefore, 607 TransitionsAfterwards, 4268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 807.4ms, 706 PlacesBefore, 658 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 3774 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 710.0ms, 630 PlacesBefore, 624 PlacesAfterwards, 551 TransitionsBefore, 551 TransitionsAfterwards, 3642 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 799.7ms, 619 PlacesBefore, 619 PlacesAfterwards, 557 TransitionsBefore, 557 TransitionsAfterwards, 3670 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 872.5ms, 629 PlacesBefore, 628 PlacesAfterwards, 596 TransitionsBefore, 596 TransitionsAfterwards, 3896 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 899.9ms, 635 PlacesBefore, 634 PlacesAfterwards, 595 TransitionsBefore, 595 TransitionsAfterwards, 3892 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1011.0ms, 641 PlacesBefore, 640 PlacesAfterwards, 622 TransitionsBefore, 622 TransitionsAfterwards, 4018 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1036.1ms, 648 PlacesBefore, 647 PlacesAfterwards, 625 TransitionsBefore, 625 TransitionsAfterwards, 4030 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1056.4ms, 653 PlacesBefore, 652 PlacesAfterwards, 631 TransitionsBefore, 631 TransitionsAfterwards, 4068 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1050.7ms, 658 PlacesBefore, 657 PlacesAfterwards, 632 TransitionsBefore, 632 TransitionsAfterwards, 4060 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1020.6ms, 659 PlacesBefore, 655 PlacesAfterwards, 626 TransitionsBefore, 626 TransitionsAfterwards, 3996 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1031.0ms, 658 PlacesBefore, 657 PlacesAfterwards, 629 TransitionsBefore, 629 TransitionsAfterwards, 4010 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 988.8ms, 661 PlacesBefore, 660 PlacesAfterwards, 627 TransitionsBefore, 627 TransitionsAfterwards, 4006 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 996.6ms, 663 PlacesBefore, 661 PlacesAfterwards, 624 TransitionsBefore, 624 TransitionsAfterwards, 3998 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1023.1ms, 664 PlacesBefore, 664 PlacesAfterwards, 628 TransitionsBefore, 628 TransitionsAfterwards, 4010 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1012.5ms, 668 PlacesBefore, 664 PlacesAfterwards, 622 TransitionsBefore, 622 TransitionsAfterwards, 3956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1042.9ms, 667 PlacesBefore, 667 PlacesAfterwards, 634 TransitionsBefore, 634 TransitionsAfterwards, 4008 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1063.2ms, 672 PlacesBefore, 671 PlacesAfterwards, 635 TransitionsBefore, 635 TransitionsAfterwards, 4002 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1046.9ms, 675 PlacesBefore, 673 PlacesAfterwards, 630 TransitionsBefore, 630 TransitionsAfterwards, 3958 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1007.5ms, 675 PlacesBefore, 673 PlacesAfterwards, 627 TransitionsBefore, 627 TransitionsAfterwards, 3942 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1016.4ms, 675 PlacesBefore, 673 PlacesAfterwards, 623 TransitionsBefore, 623 TransitionsAfterwards, 3928 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1136.2ms, 681 PlacesBefore, 680 PlacesAfterwards, 664 TransitionsBefore, 664 TransitionsAfterwards, 4204 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1148.8ms, 689 PlacesBefore, 688 PlacesAfterwards, 678 TransitionsBefore, 678 TransitionsAfterwards, 4298 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1112.2ms, 697 PlacesBefore, 696 PlacesAfterwards, 704 TransitionsBefore, 704 TransitionsAfterwards, 4468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1158.9ms, 702 PlacesBefore, 702 PlacesAfterwards, 731 TransitionsBefore, 731 TransitionsAfterwards, 4620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1163.9ms, 711 PlacesBefore, 711 PlacesAfterwards, 746 TransitionsBefore, 746 TransitionsAfterwards, 4684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1252.9ms, 719 PlacesBefore, 719 PlacesAfterwards, 752 TransitionsBefore, 752 TransitionsAfterwards, 4702 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1305.2ms, 724 PlacesBefore, 723 PlacesAfterwards, 750 TransitionsBefore, 750 TransitionsAfterwards, 4698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1205.6ms, 726 PlacesBefore, 726 PlacesAfterwards, 750 TransitionsBefore, 750 TransitionsAfterwards, 4698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1232.2ms, 732 PlacesBefore, 732 PlacesAfterwards, 750 TransitionsBefore, 750 TransitionsAfterwards, 4698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1271.8ms, 737 PlacesBefore, 737 PlacesAfterwards, 750 TransitionsBefore, 750 TransitionsAfterwards, 4698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1299.9ms, 741 PlacesBefore, 739 PlacesAfterwards, 748 TransitionsBefore, 748 TransitionsAfterwards, 4680 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1159.2ms, 741 PlacesBefore, 739 PlacesAfterwards, 749 TransitionsBefore, 749 TransitionsAfterwards, 4684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1179.7ms, 741 PlacesBefore, 741 PlacesAfterwards, 749 TransitionsBefore, 749 TransitionsAfterwards, 4684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1140.9ms, 745 PlacesBefore, 738 PlacesAfterwards, 734 TransitionsBefore, 734 TransitionsAfterwards, 4528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1291.0ms, 736 PlacesBefore, 735 PlacesAfterwards, 734 TransitionsBefore, 734 TransitionsAfterwards, 4528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1212.5ms, 738 PlacesBefore, 737 PlacesAfterwards, 731 TransitionsBefore, 731 TransitionsAfterwards, 4512 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1095.1ms, 740 PlacesBefore, 740 PlacesAfterwards, 731 TransitionsBefore, 731 TransitionsAfterwards, 4512 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1145.7ms, 743 PlacesBefore, 740 PlacesAfterwards, 726 TransitionsBefore, 726 TransitionsAfterwards, 4454 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1153.7ms, 742 PlacesBefore, 740 PlacesAfterwards, 722 TransitionsBefore, 722 TransitionsAfterwards, 4428 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1134.8ms, 745 PlacesBefore, 743 PlacesAfterwards, 718 TransitionsBefore, 718 TransitionsAfterwards, 4400 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1181.7ms, 749 PlacesBefore, 749 PlacesAfterwards, 754 TransitionsBefore, 754 TransitionsAfterwards, 4568 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1220.3ms, 758 PlacesBefore, 758 PlacesAfterwards, 772 TransitionsBefore, 772 TransitionsAfterwards, 4614 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1197.8ms, 765 PlacesBefore, 764 PlacesAfterwards, 775 TransitionsBefore, 775 TransitionsAfterwards, 4620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1208.3ms, 768 PlacesBefore, 766 PlacesAfterwards, 772 TransitionsBefore, 772 TransitionsAfterwards, 4602 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1239.1ms, 769 PlacesBefore, 767 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4598 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1197.5ms, 771 PlacesBefore, 770 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4598 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1196.4ms, 774 PlacesBefore, 772 PlacesAfterwards, 767 TransitionsBefore, 767 TransitionsAfterwards, 4586 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1311.1ms, 777 PlacesBefore, 777 PlacesAfterwards, 789 TransitionsBefore, 789 TransitionsAfterwards, 4694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1285.9ms, 782 PlacesBefore, 782 PlacesAfterwards, 789 TransitionsBefore, 789 TransitionsAfterwards, 4694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1247.4ms, 787 PlacesBefore, 787 PlacesAfterwards, 789 TransitionsBefore, 789 TransitionsAfterwards, 4694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1209.1ms, 792 PlacesBefore, 792 PlacesAfterwards, 789 TransitionsBefore, 789 TransitionsAfterwards, 4694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1216.1ms, 797 PlacesBefore, 796 PlacesAfterwards, 793 TransitionsBefore, 793 TransitionsAfterwards, 4706 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1224.5ms, 801 PlacesBefore, 801 PlacesAfterwards, 793 TransitionsBefore, 793 TransitionsAfterwards, 4706 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1246.7ms, 806 PlacesBefore, 800 PlacesAfterwards, 781 TransitionsBefore, 781 TransitionsAfterwards, 4588 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1217.5ms, 798 PlacesBefore, 797 PlacesAfterwards, 778 TransitionsBefore, 778 TransitionsAfterwards, 4566 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1226.3ms, 800 PlacesBefore, 800 PlacesAfterwards, 778 TransitionsBefore, 778 TransitionsAfterwards, 4566 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1195.0ms, 802 PlacesBefore, 800 PlacesAfterwards, 774 TransitionsBefore, 774 TransitionsAfterwards, 4530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1227.1ms, 801 PlacesBefore, 800 PlacesAfterwards, 772 TransitionsBefore, 772 TransitionsAfterwards, 4526 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1173.0ms, 805 PlacesBefore, 803 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4516 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1175.6ms, 806 PlacesBefore, 805 PlacesAfterwards, 768 TransitionsBefore, 768 TransitionsAfterwards, 4498 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1117.5ms, 808 PlacesBefore, 805 PlacesAfterwards, 765 TransitionsBefore, 765 TransitionsAfterwards, 4490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1116.9ms, 806 PlacesBefore, 805 PlacesAfterwards, 763 TransitionsBefore, 763 TransitionsAfterwards, 4486 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1122.0ms, 808 PlacesBefore, 807 PlacesAfterwards, 761 TransitionsBefore, 761 TransitionsAfterwards, 4474 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1112.5ms, 810 PlacesBefore, 806 PlacesAfterwards, 756 TransitionsBefore, 756 TransitionsAfterwards, 4430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1126.4ms, 810 PlacesBefore, 810 PlacesAfterwards, 765 TransitionsBefore, 765 TransitionsAfterwards, 4466 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1165.7ms, 817 PlacesBefore, 816 PlacesAfterwards, 766 TransitionsBefore, 766 TransitionsAfterwards, 4468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1178.7ms, 819 PlacesBefore, 817 PlacesAfterwards, 761 TransitionsBefore, 761 TransitionsAfterwards, 4432 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1128.9ms, 819 PlacesBefore, 817 PlacesAfterwards, 758 TransitionsBefore, 758 TransitionsAfterwards, 4426 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1126.5ms, 820 PlacesBefore, 818 PlacesAfterwards, 755 TransitionsBefore, 755 TransitionsAfterwards, 4412 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1132.8ms, 823 PlacesBefore, 821 PlacesAfterwards, 753 TransitionsBefore, 753 TransitionsAfterwards, 4406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1120.9ms, 823 PlacesBefore, 822 PlacesAfterwards, 757 TransitionsBefore, 757 TransitionsAfterwards, 4440 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1155.8ms, 826 PlacesBefore, 825 PlacesAfterwards, 765 TransitionsBefore, 765 TransitionsAfterwards, 4508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1174.7ms, 828 PlacesBefore, 827 PlacesAfterwards, 763 TransitionsBefore, 763 TransitionsAfterwards, 4504 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1117.7ms, 832 PlacesBefore, 831 PlacesAfterwards, 763 TransitionsBefore, 763 TransitionsAfterwards, 4496 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1115.5ms, 837 PlacesBefore, 836 PlacesAfterwards, 760 TransitionsBefore, 760 TransitionsAfterwards, 4490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1095.4ms, 838 PlacesBefore, 836 PlacesAfterwards, 757 TransitionsBefore, 757 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1099.7ms, 838 PlacesBefore, 838 PlacesAfterwards, 763 TransitionsBefore, 763 TransitionsAfterwards, 4496 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1078.8ms, 841 PlacesBefore, 839 PlacesAfterwards, 758 TransitionsBefore, 758 TransitionsAfterwards, 4460 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1098.8ms, 842 PlacesBefore, 842 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1096.2ms, 848 PlacesBefore, 848 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1167.0ms, 853 PlacesBefore, 853 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1193.1ms, 858 PlacesBefore, 858 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1189.1ms, 861 PlacesBefore, 861 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1216.5ms, 866 PlacesBefore, 866 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1186.7ms, 870 PlacesBefore, 868 PlacesAfterwards, 764 TransitionsBefore, 764 TransitionsAfterwards, 4438 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1208.7ms, 870 PlacesBefore, 862 PlacesAfterwards, 749 TransitionsBefore, 749 TransitionsAfterwards, 4308 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1095.3ms, 859 PlacesBefore, 857 PlacesAfterwards, 746 TransitionsBefore, 746 TransitionsAfterwards, 4294 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1063.2ms, 860 PlacesBefore, 858 PlacesAfterwards, 743 TransitionsBefore, 743 TransitionsAfterwards, 4282 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1071.1ms, 861 PlacesBefore, 859 PlacesAfterwards, 740 TransitionsBefore, 740 TransitionsAfterwards, 4270 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1095.8ms, 862 PlacesBefore, 861 PlacesAfterwards, 738 TransitionsBefore, 738 TransitionsAfterwards, 4266 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1041.6ms, 865 PlacesBefore, 863 PlacesAfterwards, 733 TransitionsBefore, 733 TransitionsAfterwards, 4234 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1162.4ms, 871 PlacesBefore, 870 PlacesAfterwards, 771 TransitionsBefore, 771 TransitionsAfterwards, 4446 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1182.1ms, 878 PlacesBefore, 877 PlacesAfterwards, 793 TransitionsBefore, 793 TransitionsAfterwards, 4574 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1232.1ms, 885 PlacesBefore, 884 PlacesAfterwards, 827 TransitionsBefore, 827 TransitionsAfterwards, 4780 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1250.1ms, 887 PlacesBefore, 885 PlacesAfterwards, 829 TransitionsBefore, 829 TransitionsAfterwards, 4792 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 1258.6ms, 887 PlacesBefore, 885 PlacesAfterwards, 826 TransitionsBefore, 826 TransitionsAfterwards, 4786 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 25]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 25). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 17.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 839048.3ms, OverallIterations: 261, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 626890.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 348.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4732 SDtfs, 6501 SDslu, 4109 SDs, 0 SdLazy, 8092 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5337.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2068 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 1803 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1028 ImplicationChecksByTransitivity, 27497.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=51426occurred in iteration=259, InterpolantAutomatonStates: 2060, 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: 73.9ms SsaConstructionTime, 196.6ms SatisfiabilityAnalysisTime, 24594.8ms InterpolantComputationTime, 4959 NumberOfCodeBlocks, 4959 NumberOfCodeBlocksAsserted, 261 NumberOfCheckSat, 4698 ConstructedInterpolants, 0 QuantifiedInterpolants, 110151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 261 InterpolantComputations, 261 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