/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/counter-add-4-semi-Q67.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 07:47:13,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 07:47:13,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 07:47:13,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 07:47:14,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 07:47:14,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 07:47:14,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 07:47:14,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 07:47:14,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 07:47:14,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 07:47:14,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 07:47:14,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 07:47:14,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 07:47:14,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 07:47:14,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 07:47:14,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 07:47:14,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 07:47:14,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 07:47:14,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 07:47:14,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 07:47:14,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 07:47:14,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 07:47:14,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 07:47:14,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 07:47:14,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 07:47:14,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 07:47:14,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 07:47:14,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 07:47:14,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 07:47:14,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 07:47:14,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 07:47:14,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 07:47:14,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 07:47:14,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 07:47:14,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 07:47:14,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 07:47:14,059 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 07:47:14,098 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 07:47:14,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 07:47:14,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 07:47:14,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 07:47:14,101 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 07:47:14,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 07:47:14,101 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 07:47:14,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 07:47:14,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 07:47:14,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 07:47:14,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 07:47:14,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 07:47:14,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 07:47:14,103 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 07:47:14,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 07:47:14,103 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 07:47:14,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 07:47:14,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 07:47:14,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 07:47:14,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 07:47:14,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 07:47:14,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 07:47:14,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 07:47:14,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 07:47:14,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 07:47:14,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 07:47:14,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 07:47:14,105 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 07:47:14,105 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 07:47:14,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 07:47:14,106 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 07:47:14,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 07:47:14,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 07:47:14,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 07:47:14,430 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 07:47:14,432 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 07:47:14,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/counter-add-4-semi-Q67.wvr.bpl [2021-03-26 07:47:14,433 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/counter-add-4-semi-Q67.wvr.bpl' [2021-03-26 07:47:14,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 07:47:14,467 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 07:47:14,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 07:47:14,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 07:47:14,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 07:47:14,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:47:14" (1/1) ... [2021-03-26 07:47:14,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:47:14" (1/1) ... [2021-03-26 07:47:14,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 07:47:14,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 07:47:14,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 07:47:14,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 07:47:14,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:47:14" (1/1) ... [2021-03-26 07:47:14,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:47:14" (1/1) ... [2021-03-26 07:47:14,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:47:14" (1/1) ... [2021-03-26 07:47:14,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:47:14" (1/1) ... [2021-03-26 07:47:14,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:47:14" (1/1) ... [2021-03-26 07:47:14,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:47:14" (1/1) ... [2021-03-26 07:47:14,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:47:14" (1/1) ... [2021-03-26 07:47:14,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 07:47:14,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 07:47:14,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 07:47:14,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 07:47:14,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:47:14" (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 07:47:14,601 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-26 07:47:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-26 07:47:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-26 07:47:14,603 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-26 07:47:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-26 07:47:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-26 07:47:14,604 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 07:47:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 07:47:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 07:47:14,604 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-26 07:47:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-26 07:47:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-26 07:47:14,605 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-26 07:47:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-26 07:47:14,605 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-26 07:47:14,606 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 07:47:14,848 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 07:47:14,849 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 07:47:14,850 INFO L202 PluginConnector]: Adding new model counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 07:47:14 BoogieIcfgContainer [2021-03-26 07:47:14,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 07:47:14,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 07:47:14,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 07:47:14,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 07:47:14,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:47:14" (1/2) ... [2021-03-26 07:47:14,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7ba4d9 and model type counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 07:47:14, skipping insertion in model container [2021-03-26 07:47:14,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 07:47:14" (2/2) ... [2021-03-26 07:47:14,857 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-add-4-semi-Q67.wvr.bpl [2021-03-26 07:47:14,861 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 07:47:14,864 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 07:47:14,865 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 07:47:14,922 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-26 07:47:14,936 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 07:47:14,971 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 07:47:14,971 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 07:47:14,971 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 07:47:14,971 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 07:47:14,971 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 07:47:14,971 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 07:47:14,971 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 07:47:14,972 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 07:47:14,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 35 transitions, 102 flow [2021-03-26 07:47:15,011 INFO L129 PetriNetUnfolder]: 4/31 cut-off events. [2021-03-26 07:47:15,011 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 07:47:15,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 31 events. 4/31 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 50 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2021-03-26 07:47:15,015 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 35 transitions, 102 flow [2021-03-26 07:47:15,026 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 38 places, 29 transitions, 82 flow [2021-03-26 07:47:15,028 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:47:15,039 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 29 transitions, 82 flow [2021-03-26 07:47:15,042 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 29 transitions, 82 flow [2021-03-26 07:47:15,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 29 transitions, 82 flow [2021-03-26 07:47:15,059 INFO L129 PetriNetUnfolder]: 4/29 cut-off events. [2021-03-26 07:47:15,059 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 07:47:15,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 29 events. 4/29 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 41 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2021-03-26 07:47:15,062 INFO L142 LiptonReduction]: Number of co-enabled transitions 288 [2021-03-26 07:47:15,378 INFO L154 LiptonReduction]: Checked pairs total: 120 [2021-03-26 07:47:15,379 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-26 07:47:15,381 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 354 [2021-03-26 07:47:15,392 INFO L129 PetriNetUnfolder]: 4/17 cut-off events. [2021-03-26 07:47:15,392 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 07:47:15,392 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:47:15,393 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:47:15,393 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:47:15,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:47:15,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1885452408, now seen corresponding path program 1 times [2021-03-26 07:47:15,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:47:15,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120202828] [2021-03-26 07:47:15,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:47:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:47:15,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:15,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:15,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:47:15,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120202828] [2021-03-26 07:47:15,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:47:15,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 07:47:15,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538301870] [2021-03-26 07:47:15,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 07:47:15,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:47:15,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 07:47:15,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 07:47:15,539 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 46 [2021-03-26 07:47:15,541 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 18 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:15,541 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:47:15,541 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 46 [2021-03-26 07:47:15,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:47:15,567 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L57-1-->L57-1: Formula: (and (< v_j2_17 v_M2_4) (= v_counter_53 (+ v_counter_54 (- 1))) (< 0 v_counter_54) (= v_j2_16 (+ v_j2_17 1))) InVars {counter=v_counter_54, j2=v_j2_17, M2=v_M2_4} OutVars{counter=v_counter_53, j2=v_j2_16, M2=v_M2_4} AuxVars[] AssignedVars[counter, j2][14], [48#true, 20#L46-1true, 38#L57-1true, 23#L34-1true, thread3Thread1of1ForFork2InUse, thread4Thread1of1ForFork3InUse, 28#L23-1true, thread2Thread1of1ForFork1InUse, 14#L74true, thread1Thread1of1ForFork0InUse]) [2021-03-26 07:47:15,567 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 07:47:15,567 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 07:47:15,567 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 07:47:15,567 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 07:47:15,573 INFO L129 PetriNetUnfolder]: 17/43 cut-off events. [2021-03-26 07:47:15,573 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-03-26 07:47:15,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 43 events. 17/43 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 76 event pairs, 0 based on Foata normal form. 3/40 useless extension candidates. Maximal degree in co-relation 60. Up to 20 conditions per place. [2021-03-26 07:47:15,575 INFO L132 encePairwiseOnDemand]: 40/46 looper letters, 5 selfloop transitions, 3 changer transitions 0/20 dead transitions. [2021-03-26 07:47:15,576 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 20 transitions, 80 flow [2021-03-26 07:47:15,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 07:47:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 07:47:15,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 107 transitions. [2021-03-26 07:47:15,586 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7753623188405797 [2021-03-26 07:47:15,586 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 107 transitions. [2021-03-26 07:47:15,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 107 transitions. [2021-03-26 07:47:15,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:47:15,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 107 transitions. [2021-03-26 07:47:15,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:15,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:15,595 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:15,596 INFO L185 Difference]: Start difference. First operand has 27 places, 18 transitions, 60 flow. Second operand 3 states and 107 transitions. [2021-03-26 07:47:15,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 20 transitions, 80 flow [2021-03-26 07:47:15,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 20 transitions, 64 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-26 07:47:15,601 INFO L241 Difference]: Finished difference. Result has 22 places, 20 transitions, 67 flow [2021-03-26 07:47:15,603 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=67, PETRI_PLACES=22, PETRI_TRANSITIONS=20} [2021-03-26 07:47:15,603 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, -5 predicate places. [2021-03-26 07:47:15,603 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:47:15,604 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 20 transitions, 67 flow [2021-03-26 07:47:15,604 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 20 transitions, 67 flow [2021-03-26 07:47:15,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 22 places, 20 transitions, 67 flow [2021-03-26 07:47:15,609 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L57-1-->L57-1: Formula: (and (< v_j2_17 v_M2_4) (= v_counter_53 (+ v_counter_54 (- 1))) (< 0 v_counter_54) (= v_j2_16 (+ v_j2_17 1))) InVars {counter=v_counter_54, j2=v_j2_17, M2=v_M2_4} OutVars{counter=v_counter_53, j2=v_j2_16, M2=v_M2_4} AuxVars[] AssignedVars[counter, j2][7], [48#true, 20#L46-1true, Black: 50#(= counter 0), 38#L57-1true, 23#L34-1true, 28#L23-1true, 14#L74true]) [2021-03-26 07:47:15,609 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 07:47:15,609 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 07:47:15,609 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 07:47:15,610 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 07:47:15,613 INFO L129 PetriNetUnfolder]: 17/43 cut-off events. [2021-03-26 07:47:15,613 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 07:47:15,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 43 events. 17/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 74 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 46. Up to 20 conditions per place. [2021-03-26 07:47:15,614 INFO L142 LiptonReduction]: Number of co-enabled transitions 108 [2021-03-26 07:47:15,616 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:47:15,616 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:47:15,616 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-26 07:47:15,617 INFO L480 AbstractCegarLoop]: Abstraction has has 22 places, 20 transitions, 67 flow [2021-03-26 07:47:15,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:15,617 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:47:15,617 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:47:15,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 07:47:15,618 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:47:15,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:47:15,618 INFO L82 PathProgramCache]: Analyzing trace with hash 841972005, now seen corresponding path program 1 times [2021-03-26 07:47:15,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:47:15,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072316609] [2021-03-26 07:47:15,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:47:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:47:15,679 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:47:15,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:15,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:15,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:15,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:15,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:15,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:47:15,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072316609] [2021-03-26 07:47:15,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:47:15,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 07:47:15,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841111620] [2021-03-26 07:47:15,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 07:47:15,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:47:15,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 07:47:15,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 07:47:15,712 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-03-26 07:47:15,712 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 20 transitions, 67 flow. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:15,712 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:47:15,712 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-03-26 07:47:15,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:47:15,762 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L57-1-->L57-1: Formula: (and (< v_j2_17 v_M2_4) (= v_counter_53 (+ v_counter_54 (- 1))) (< 0 v_counter_54) (= v_j2_16 (+ v_j2_17 1))) InVars {counter=v_counter_54, j2=v_j2_17, M2=v_M2_4} OutVars{counter=v_counter_53, j2=v_j2_16, M2=v_M2_4} AuxVars[] AssignedVars[counter, j2][22], [48#true, 20#L46-1true, Black: 50#(= counter 0), 53#true, 38#L57-1true, 23#L34-1true, 28#L23-1true, 14#L74true]) [2021-03-26 07:47:15,763 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 07:47:15,763 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 07:47:15,763 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 07:47:15,763 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 07:47:15,778 INFO L129 PetriNetUnfolder]: 47/90 cut-off events. [2021-03-26 07:47:15,778 INFO L130 PetriNetUnfolder]: For 21/35 co-relation queries the response was YES. [2021-03-26 07:47:15,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 90 events. 47/90 cut-off events. For 21/35 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 208 event pairs, 0 based on Foata normal form. 7/88 useless extension candidates. Maximal degree in co-relation 152. Up to 48 conditions per place. [2021-03-26 07:47:15,782 INFO L132 encePairwiseOnDemand]: 41/46 looper letters, 7 selfloop transitions, 7 changer transitions 0/28 dead transitions. [2021-03-26 07:47:15,782 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 28 transitions, 117 flow [2021-03-26 07:47:15,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 07:47:15,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 07:47:15,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 170 transitions. [2021-03-26 07:47:15,789 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7391304347826086 [2021-03-26 07:47:15,789 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 170 transitions. [2021-03-26 07:47:15,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 170 transitions. [2021-03-26 07:47:15,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:47:15,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 170 transitions. [2021-03-26 07:47:15,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:15,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 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 07:47:15,796 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 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 07:47:15,796 INFO L185 Difference]: Start difference. First operand has 22 places, 20 transitions, 67 flow. Second operand 5 states and 170 transitions. [2021-03-26 07:47:15,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 28 transitions, 117 flow [2021-03-26 07:47:15,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 28 transitions, 114 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 07:47:15,799 INFO L241 Difference]: Finished difference. Result has 27 places, 25 transitions, 112 flow [2021-03-26 07:47:15,800 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=112, PETRI_PLACES=27, PETRI_TRANSITIONS=25} [2021-03-26 07:47:15,800 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 0 predicate places. [2021-03-26 07:47:15,800 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:47:15,800 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 25 transitions, 112 flow [2021-03-26 07:47:15,801 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 25 transitions, 112 flow [2021-03-26 07:47:15,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 112 flow [2021-03-26 07:47:15,815 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L57-1-->L57-1: Formula: (and (< v_j2_17 v_M2_4) (= v_counter_53 (+ v_counter_54 (- 1))) (< 0 v_counter_54) (= v_j2_16 (+ v_j2_17 1))) InVars {counter=v_counter_54, j2=v_j2_17, M2=v_M2_4} OutVars{counter=v_counter_53, j2=v_j2_16, M2=v_M2_4} AuxVars[] AssignedVars[counter, j2][16], [20#L46-1true, Black: 50#(= counter 0), 53#true, 38#L57-1true, 23#L34-1true, Black: 55#(and (= i2 i1) (= N2 N1)), 28#L23-1true, Black: 58#(and (<= N1 i1) (= i2 i1) (= N2 N1)), 14#L74true]) [2021-03-26 07:47:15,816 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 07:47:15,816 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 07:47:15,816 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 07:47:15,816 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 07:47:15,820 INFO L129 PetriNetUnfolder]: 31/69 cut-off events. [2021-03-26 07:47:15,821 INFO L130 PetriNetUnfolder]: For 26/39 co-relation queries the response was YES. [2021-03-26 07:47:15,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 69 events. 31/69 cut-off events. For 26/39 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 157 event pairs, 0 based on Foata normal form. 4/68 useless extension candidates. Maximal degree in co-relation 125. Up to 35 conditions per place. [2021-03-26 07:47:15,822 INFO L142 LiptonReduction]: Number of co-enabled transitions 158 [2021-03-26 07:47:15,825 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:47:15,825 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:47:15,825 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-03-26 07:47:15,827 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 25 transitions, 112 flow [2021-03-26 07:47:15,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:15,828 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:47:15,828 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:47:15,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 07:47:15,828 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:47:15,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:47:15,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1197046401, now seen corresponding path program 1 times [2021-03-26 07:47:15,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:47:15,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964433636] [2021-03-26 07:47:15,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:47:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:47:15,909 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 07:47:15,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:47:15,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:15,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:15,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:15,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:15,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:47:15,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964433636] [2021-03-26 07:47:15,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:47:15,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 07:47:15,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769943674] [2021-03-26 07:47:15,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 07:47:15,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:47:15,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 07:47:15,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 07:47:15,935 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-03-26 07:47:15,935 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 25 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:15,936 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:47:15,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-03-26 07:47:15,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:47:15,981 INFO L129 PetriNetUnfolder]: 54/106 cut-off events. [2021-03-26 07:47:15,982 INFO L130 PetriNetUnfolder]: For 66/94 co-relation queries the response was YES. [2021-03-26 07:47:15,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 106 events. 54/106 cut-off events. For 66/94 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 274 event pairs, 3 based on Foata normal form. 10/105 useless extension candidates. Maximal degree in co-relation 232. Up to 54 conditions per place. [2021-03-26 07:47:15,986 INFO L132 encePairwiseOnDemand]: 41/46 looper letters, 6 selfloop transitions, 6 changer transitions 0/31 dead transitions. [2021-03-26 07:47:15,987 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 31 transitions, 152 flow [2021-03-26 07:47:15,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 07:47:15,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 07:47:15,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 137 transitions. [2021-03-26 07:47:15,990 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7445652173913043 [2021-03-26 07:47:15,991 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 137 transitions. [2021-03-26 07:47:15,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 137 transitions. [2021-03-26 07:47:15,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:47:15,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 137 transitions. [2021-03-26 07:47:15,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:15,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:15,995 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:15,995 INFO L185 Difference]: Start difference. First operand has 27 places, 25 transitions, 112 flow. Second operand 4 states and 137 transitions. [2021-03-26 07:47:15,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 31 transitions, 152 flow [2021-03-26 07:47:15,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 31 transitions, 152 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 07:47:16,000 INFO L241 Difference]: Finished difference. Result has 32 places, 29 transitions, 156 flow [2021-03-26 07:47:16,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=156, PETRI_PLACES=32, PETRI_TRANSITIONS=29} [2021-03-26 07:47:16,001 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 5 predicate places. [2021-03-26 07:47:16,001 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:47:16,002 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 29 transitions, 156 flow [2021-03-26 07:47:16,003 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 29 transitions, 156 flow [2021-03-26 07:47:16,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 29 transitions, 156 flow [2021-03-26 07:47:16,017 INFO L129 PetriNetUnfolder]: 48/101 cut-off events. [2021-03-26 07:47:16,017 INFO L130 PetriNetUnfolder]: For 82/99 co-relation queries the response was YES. [2021-03-26 07:47:16,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 101 events. 48/101 cut-off events. For 82/99 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 291 event pairs, 3 based on Foata normal form. 6/95 useless extension candidates. Maximal degree in co-relation 238. Up to 49 conditions per place. [2021-03-26 07:47:16,019 INFO L142 LiptonReduction]: Number of co-enabled transitions 210 [2021-03-26 07:47:16,023 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:47:16,023 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:47:16,023 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-03-26 07:47:16,027 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 29 transitions, 156 flow [2021-03-26 07:47:16,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:16,028 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:47:16,028 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:47:16,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 07:47:16,028 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:47:16,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:47:16,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1490891839, now seen corresponding path program 2 times [2021-03-26 07:47:16,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:47:16,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455757564] [2021-03-26 07:47:16,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:47:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:47:16,081 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:47:16,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,087 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 07:47:16,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:16,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:16,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:47:16,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455757564] [2021-03-26 07:47:16,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500998053] [2021-03-26 07:47:16,105 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:47:16,157 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 07:47:16,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 07:47:16,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 07:47:16,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 07:47:16,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:47:16,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:16,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:16,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:47:16,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:16,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:16,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:16,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:16,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:16,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:47:16,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:16,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:16,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:16,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:16,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:16,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:16,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:16,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:16,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:16,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:16,317 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 07:47:16,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:47:16,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 07:47:16,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-03-26 07:47:16,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081481168] [2021-03-26 07:47:16,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 07:47:16,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:47:16,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 07:47:16,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 07:47:16,350 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-03-26 07:47:16,351 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 29 transitions, 156 flow. Second operand has 6 states, 6 states have (on average 32.166666666666664) internal successors, (193), 6 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:16,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:47:16,351 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-03-26 07:47:16,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:47:16,418 INFO L129 PetriNetUnfolder]: 48/102 cut-off events. [2021-03-26 07:47:16,418 INFO L130 PetriNetUnfolder]: For 143/201 co-relation queries the response was YES. [2021-03-26 07:47:16,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 102 events. 48/102 cut-off events. For 143/201 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 264 event pairs, 1 based on Foata normal form. 14/105 useless extension candidates. Maximal degree in co-relation 298. Up to 54 conditions per place. [2021-03-26 07:47:16,420 INFO L132 encePairwiseOnDemand]: 42/46 looper letters, 10 selfloop transitions, 5 changer transitions 0/34 dead transitions. [2021-03-26 07:47:16,421 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 34 transitions, 214 flow [2021-03-26 07:47:16,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 07:47:16,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 07:47:16,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 137 transitions. [2021-03-26 07:47:16,422 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7445652173913043 [2021-03-26 07:47:16,422 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 137 transitions. [2021-03-26 07:47:16,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 137 transitions. [2021-03-26 07:47:16,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:47:16,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 137 transitions. [2021-03-26 07:47:16,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:16,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:16,424 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:16,424 INFO L185 Difference]: Start difference. First operand has 32 places, 29 transitions, 156 flow. Second operand 4 states and 137 transitions. [2021-03-26 07:47:16,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 34 transitions, 214 flow [2021-03-26 07:47:16,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 34 transitions, 210 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 07:47:16,429 INFO L241 Difference]: Finished difference. Result has 35 places, 30 transitions, 177 flow [2021-03-26 07:47:16,429 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=177, PETRI_PLACES=35, PETRI_TRANSITIONS=30} [2021-03-26 07:47:16,429 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 8 predicate places. [2021-03-26 07:47:16,430 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:47:16,430 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 30 transitions, 177 flow [2021-03-26 07:47:16,430 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 30 transitions, 177 flow [2021-03-26 07:47:16,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 30 transitions, 177 flow [2021-03-26 07:47:16,441 INFO L129 PetriNetUnfolder]: 43/99 cut-off events. [2021-03-26 07:47:16,441 INFO L130 PetriNetUnfolder]: For 122/140 co-relation queries the response was YES. [2021-03-26 07:47:16,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 99 events. 43/99 cut-off events. For 122/140 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 298 event pairs, 3 based on Foata normal form. 6/95 useless extension candidates. Maximal degree in co-relation 251. Up to 48 conditions per place. [2021-03-26 07:47:16,443 INFO L142 LiptonReduction]: Number of co-enabled transitions 226 [2021-03-26 07:47:16,445 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:47:16,446 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:47:16,446 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-03-26 07:47:16,448 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 30 transitions, 177 flow [2021-03-26 07:47:16,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.166666666666664) internal successors, (193), 6 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:16,448 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:47:16,449 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:47:16,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:47:16,671 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:47:16,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:47:16,671 INFO L82 PathProgramCache]: Analyzing trace with hash 849657855, now seen corresponding path program 2 times [2021-03-26 07:47:16,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:47:16,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728173550] [2021-03-26 07:47:16,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:47:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:47:16,693 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 07:47:16,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:47:16,700 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 07:47:16,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:16,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:47:16,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728173550] [2021-03-26 07:47:16,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:47:16,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 07:47:16,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939511489] [2021-03-26 07:47:16,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 07:47:16,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:47:16,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 07:47:16,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 07:47:16,715 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 46 [2021-03-26 07:47:16,715 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 30 transitions, 177 flow. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:16,715 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:47:16,715 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 46 [2021-03-26 07:47:16,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:47:16,793 INFO L129 PetriNetUnfolder]: 140/278 cut-off events. [2021-03-26 07:47:16,794 INFO L130 PetriNetUnfolder]: For 685/764 co-relation queries the response was YES. [2021-03-26 07:47:16,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 955 conditions, 278 events. 140/278 cut-off events. For 685/764 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1242 event pairs, 10 based on Foata normal form. 31/293 useless extension candidates. Maximal degree in co-relation 855. Up to 104 conditions per place. [2021-03-26 07:47:16,796 INFO L132 encePairwiseOnDemand]: 41/46 looper letters, 21 selfloop transitions, 6 changer transitions 10/50 dead transitions. [2021-03-26 07:47:16,796 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 50 transitions, 377 flow [2021-03-26 07:47:16,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 07:47:16,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 07:47:16,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 156 transitions. [2021-03-26 07:47:16,798 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6782608695652174 [2021-03-26 07:47:16,798 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 156 transitions. [2021-03-26 07:47:16,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 156 transitions. [2021-03-26 07:47:16,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:47:16,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 156 transitions. [2021-03-26 07:47:16,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:16,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 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 07:47:16,799 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 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 07:47:16,799 INFO L185 Difference]: Start difference. First operand has 35 places, 30 transitions, 177 flow. Second operand 5 states and 156 transitions. [2021-03-26 07:47:16,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 50 transitions, 377 flow [2021-03-26 07:47:16,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 50 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 07:47:16,802 INFO L241 Difference]: Finished difference. Result has 38 places, 30 transitions, 189 flow [2021-03-26 07:47:16,802 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=189, PETRI_PLACES=38, PETRI_TRANSITIONS=30} [2021-03-26 07:47:16,803 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 11 predicate places. [2021-03-26 07:47:16,803 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:47:16,803 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 30 transitions, 189 flow [2021-03-26 07:47:16,803 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 30 transitions, 189 flow [2021-03-26 07:47:16,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 30 transitions, 189 flow [2021-03-26 07:47:16,810 INFO L129 PetriNetUnfolder]: 43/97 cut-off events. [2021-03-26 07:47:16,810 INFO L130 PetriNetUnfolder]: For 127/141 co-relation queries the response was YES. [2021-03-26 07:47:16,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 97 events. 43/97 cut-off events. For 127/141 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 290 event pairs, 3 based on Foata normal form. 6/94 useless extension candidates. Maximal degree in co-relation 262. Up to 48 conditions per place. [2021-03-26 07:47:16,812 INFO L142 LiptonReduction]: Number of co-enabled transitions 194 [2021-03-26 07:47:16,814 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:47:16,814 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:47:16,814 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-26 07:47:16,815 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 189 flow [2021-03-26 07:47:16,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:16,815 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:47:16,815 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:47:16,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 07:47:16,815 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:47:16,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:47:16,816 INFO L82 PathProgramCache]: Analyzing trace with hash 926599219, now seen corresponding path program 3 times [2021-03-26 07:47:16,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:47:16,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952803495] [2021-03-26 07:47:16,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:47:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:47:16,831 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:47:16,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,836 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 07:47:16,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:16,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:47:16,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952803495] [2021-03-26 07:47:16,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:47:16,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 07:47:16,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574956427] [2021-03-26 07:47:16,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 07:47:16,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:47:16,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 07:47:16,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 07:47:16,844 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-03-26 07:47:16,845 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 189 flow. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:16,845 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:47:16,845 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-03-26 07:47:16,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:47:16,870 INFO L129 PetriNetUnfolder]: 98/170 cut-off events. [2021-03-26 07:47:16,870 INFO L130 PetriNetUnfolder]: For 451/485 co-relation queries the response was YES. [2021-03-26 07:47:16,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 170 events. 98/170 cut-off events. For 451/485 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 501 event pairs, 18 based on Foata normal form. 18/172 useless extension candidates. Maximal degree in co-relation 634. Up to 96 conditions per place. [2021-03-26 07:47:16,872 INFO L132 encePairwiseOnDemand]: 42/46 looper letters, 9 selfloop transitions, 5 changer transitions 0/32 dead transitions. [2021-03-26 07:47:16,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 32 transitions, 231 flow [2021-03-26 07:47:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 07:47:16,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 07:47:16,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 135 transitions. [2021-03-26 07:47:16,874 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7336956521739131 [2021-03-26 07:47:16,874 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 135 transitions. [2021-03-26 07:47:16,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 135 transitions. [2021-03-26 07:47:16,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:47:16,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 135 transitions. [2021-03-26 07:47:16,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:16,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:16,875 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:16,875 INFO L185 Difference]: Start difference. First operand has 37 places, 30 transitions, 189 flow. Second operand 4 states and 135 transitions. [2021-03-26 07:47:16,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 32 transitions, 231 flow [2021-03-26 07:47:16,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 32 transitions, 226 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-26 07:47:16,877 INFO L241 Difference]: Finished difference. Result has 40 places, 30 transitions, 201 flow [2021-03-26 07:47:16,877 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=201, PETRI_PLACES=40, PETRI_TRANSITIONS=30} [2021-03-26 07:47:16,878 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 13 predicate places. [2021-03-26 07:47:16,878 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:47:16,878 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 30 transitions, 201 flow [2021-03-26 07:47:16,878 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 30 transitions, 201 flow [2021-03-26 07:47:16,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 30 transitions, 201 flow [2021-03-26 07:47:16,886 INFO L129 PetriNetUnfolder]: 51/111 cut-off events. [2021-03-26 07:47:16,886 INFO L130 PetriNetUnfolder]: For 191/206 co-relation queries the response was YES. [2021-03-26 07:47:16,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 111 events. 51/111 cut-off events. For 191/206 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 339 event pairs, 5 based on Foata normal form. 6/107 useless extension candidates. Maximal degree in co-relation 333. Up to 58 conditions per place. [2021-03-26 07:47:16,888 INFO L142 LiptonReduction]: Number of co-enabled transitions 188 [2021-03-26 07:47:16,890 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:47:16,890 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:47:16,890 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-26 07:47:16,891 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 30 transitions, 201 flow [2021-03-26 07:47:16,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:16,891 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:47:16,891 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:47:16,891 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 07:47:16,891 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:47:16,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:47:16,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1360638997, now seen corresponding path program 1 times [2021-03-26 07:47:16,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:47:16,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339219316] [2021-03-26 07:47:16,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:47:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:47:16,906 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:47:16,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:16,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:16,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:47:16,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339219316] [2021-03-26 07:47:16,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958173503] [2021-03-26 07:47:16,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:47:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:47:16,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-26 07:47:16,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 07:47:16,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:16,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:16,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:17,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:17,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:17,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:17,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:17,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:47:17,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 07:47:17,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 07:47:17,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-03-26 07:47:17,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572897232] [2021-03-26 07:47:17,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 07:47:17,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:47:17,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 07:47:17,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-26 07:47:17,052 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-03-26 07:47:17,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 30 transitions, 201 flow. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:17,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:47:17,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-03-26 07:47:17,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:47:17,084 INFO L129 PetriNetUnfolder]: 107/168 cut-off events. [2021-03-26 07:47:17,085 INFO L130 PetriNetUnfolder]: For 666/701 co-relation queries the response was YES. [2021-03-26 07:47:17,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 168 events. 107/168 cut-off events. For 666/701 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 437 event pairs, 24 based on Foata normal form. 19/164 useless extension candidates. Maximal degree in co-relation 748. Up to 106 conditions per place. [2021-03-26 07:47:17,087 INFO L132 encePairwiseOnDemand]: 42/46 looper letters, 8 selfloop transitions, 5 changer transitions 0/31 dead transitions. [2021-03-26 07:47:17,087 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 31 transitions, 239 flow [2021-03-26 07:47:17,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 07:47:17,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 07:47:17,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 135 transitions. [2021-03-26 07:47:17,088 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7336956521739131 [2021-03-26 07:47:17,088 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 135 transitions. [2021-03-26 07:47:17,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 135 transitions. [2021-03-26 07:47:17,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:47:17,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 135 transitions. [2021-03-26 07:47:17,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:17,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:17,090 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:17,090 INFO L185 Difference]: Start difference. First operand has 40 places, 30 transitions, 201 flow. Second operand 4 states and 135 transitions. [2021-03-26 07:47:17,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 31 transitions, 239 flow [2021-03-26 07:47:17,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 31 transitions, 228 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 07:47:17,092 INFO L241 Difference]: Finished difference. Result has 41 places, 29 transitions, 201 flow [2021-03-26 07:47:17,092 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=201, PETRI_PLACES=41, PETRI_TRANSITIONS=29} [2021-03-26 07:47:17,092 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 14 predicate places. [2021-03-26 07:47:17,093 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:47:17,093 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 29 transitions, 201 flow [2021-03-26 07:47:17,093 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 29 transitions, 201 flow [2021-03-26 07:47:17,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 29 transitions, 201 flow [2021-03-26 07:47:17,102 INFO L129 PetriNetUnfolder]: 71/125 cut-off events. [2021-03-26 07:47:17,102 INFO L130 PetriNetUnfolder]: For 345/385 co-relation queries the response was YES. [2021-03-26 07:47:17,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 125 events. 71/125 cut-off events. For 345/385 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 323 event pairs, 7 based on Foata normal form. 6/116 useless extension candidates. Maximal degree in co-relation 476. Up to 80 conditions per place. [2021-03-26 07:47:17,104 INFO L142 LiptonReduction]: Number of co-enabled transitions 170 [2021-03-26 07:47:17,105 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:47:17,106 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:47:17,106 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-26 07:47:17,106 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 29 transitions, 201 flow [2021-03-26 07:47:17,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:17,106 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:47:17,107 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:47:17,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:47:17,324 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:47:17,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:47:17,325 INFO L82 PathProgramCache]: Analyzing trace with hash 119423642, now seen corresponding path program 1 times [2021-03-26 07:47:17,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:47:17,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254264096] [2021-03-26 07:47:17,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:47:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:47:17,344 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 07:47:17,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:47:17,351 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 07:47:17,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,364 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 07:47:17,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:17,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 07:47:17,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254264096] [2021-03-26 07:47:17,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648027303] [2021-03-26 07:47:17,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:47:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:47:17,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-26 07:47:17,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 07:47:17,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:17,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:17,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:17,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:17,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:17,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:47:17,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:17,503 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 07:47:17,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:17,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 07:47:17,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 07:47:17,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 6 [2021-03-26 07:47:17,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623346814] [2021-03-26 07:47:17,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 07:47:17,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:47:17,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 07:47:17,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 07:47:17,519 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 46 [2021-03-26 07:47:17,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 29 transitions, 201 flow. Second operand has 7 states, 7 states have (on average 27.571428571428573) internal successors, (193), 7 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 07:47:17,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:47:17,520 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 46 [2021-03-26 07:47:17,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:47:17,598 INFO L129 PetriNetUnfolder]: 195/295 cut-off events. [2021-03-26 07:47:17,598 INFO L130 PetriNetUnfolder]: For 1125/1171 co-relation queries the response was YES. [2021-03-26 07:47:17,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1415 conditions, 295 events. 195/295 cut-off events. For 1125/1171 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 965 event pairs, 29 based on Foata normal form. 31/313 useless extension candidates. Maximal degree in co-relation 1370. Up to 176 conditions per place. [2021-03-26 07:47:17,601 INFO L132 encePairwiseOnDemand]: 41/46 looper letters, 17 selfloop transitions, 7 changer transitions 3/41 dead transitions. [2021-03-26 07:47:17,601 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 41 transitions, 351 flow [2021-03-26 07:47:17,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 07:47:17,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 07:47:17,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 122 transitions. [2021-03-26 07:47:17,603 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6630434782608695 [2021-03-26 07:47:17,603 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 122 transitions. [2021-03-26 07:47:17,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 122 transitions. [2021-03-26 07:47:17,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:47:17,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 122 transitions. [2021-03-26 07:47:17,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:17,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:17,604 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:17,604 INFO L185 Difference]: Start difference. First operand has 41 places, 29 transitions, 201 flow. Second operand 4 states and 122 transitions. [2021-03-26 07:47:17,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 41 transitions, 351 flow [2021-03-26 07:47:17,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 41 transitions, 337 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-26 07:47:17,607 INFO L241 Difference]: Finished difference. Result has 44 places, 32 transitions, 250 flow [2021-03-26 07:47:17,607 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=250, PETRI_PLACES=44, PETRI_TRANSITIONS=32} [2021-03-26 07:47:17,607 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 17 predicate places. [2021-03-26 07:47:17,607 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:47:17,607 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 32 transitions, 250 flow [2021-03-26 07:47:17,608 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 32 transitions, 250 flow [2021-03-26 07:47:17,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 32 transitions, 250 flow [2021-03-26 07:47:17,618 INFO L129 PetriNetUnfolder]: 78/139 cut-off events. [2021-03-26 07:47:17,618 INFO L130 PetriNetUnfolder]: For 450/501 co-relation queries the response was YES. [2021-03-26 07:47:17,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 605 conditions, 139 events. 78/139 cut-off events. For 450/501 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 377 event pairs, 12 based on Foata normal form. 9/136 useless extension candidates. Maximal degree in co-relation 562. Up to 89 conditions per place. [2021-03-26 07:47:17,620 INFO L142 LiptonReduction]: Number of co-enabled transitions 164 [2021-03-26 07:47:17,622 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:47:17,622 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:47:17,622 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-26 07:47:17,623 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 32 transitions, 250 flow [2021-03-26 07:47:17,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 27.571428571428573) internal successors, (193), 7 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 07:47:17,623 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:47:17,623 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:47:17,835 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:47:17,836 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:47:17,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:47:17,836 INFO L82 PathProgramCache]: Analyzing trace with hash 980800168, now seen corresponding path program 1 times [2021-03-26 07:47:17,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:47:17,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88826981] [2021-03-26 07:47:17,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:47:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:47:17,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:17,908 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 07:47:17,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:17,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:47:17,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88826981] [2021-03-26 07:47:17,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200170923] [2021-03-26 07:47:17,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:47:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:47:17,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 07:47:17,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 07:47:17,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:17,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:17,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:47:17,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:17,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:17,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:47:17,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:17,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:17,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:47:17,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:17,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:17,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:47:17,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:17,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:17,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:17,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:17,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:47:18,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:18,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:18,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:47:18,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:18,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:18,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:18,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:18,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:47:18,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 07:47:18,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 6 [2021-03-26 07:47:18,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903999623] [2021-03-26 07:47:18,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 07:47:18,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:47:18,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 07:47:18,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-03-26 07:47:18,039 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 46 [2021-03-26 07:47:18,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 32 transitions, 250 flow. Second operand has 8 states, 8 states have (on average 33.375) internal successors, (267), 8 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:18,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:47:18,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 46 [2021-03-26 07:47:18,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:47:18,119 INFO L129 PetriNetUnfolder]: 271/496 cut-off events. [2021-03-26 07:47:18,120 INFO L130 PetriNetUnfolder]: For 1906/2137 co-relation queries the response was YES. [2021-03-26 07:47:18,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2401 conditions, 496 events. 271/496 cut-off events. For 1906/2137 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2233 event pairs, 42 based on Foata normal form. 58/523 useless extension candidates. Maximal degree in co-relation 2304. Up to 308 conditions per place. [2021-03-26 07:47:18,125 INFO L132 encePairwiseOnDemand]: 40/46 looper letters, 18 selfloop transitions, 39 changer transitions 0/70 dead transitions. [2021-03-26 07:47:18,126 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 70 transitions, 727 flow [2021-03-26 07:47:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 07:47:18,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 07:47:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions. [2021-03-26 07:47:18,127 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7869565217391304 [2021-03-26 07:47:18,127 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 181 transitions. [2021-03-26 07:47:18,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 181 transitions. [2021-03-26 07:47:18,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:47:18,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 181 transitions. [2021-03-26 07:47:18,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:18,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 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 07:47:18,128 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 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 07:47:18,128 INFO L185 Difference]: Start difference. First operand has 43 places, 32 transitions, 250 flow. Second operand 5 states and 181 transitions. [2021-03-26 07:47:18,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 70 transitions, 727 flow [2021-03-26 07:47:18,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 70 transitions, 678 flow, removed 18 selfloop flow, removed 3 redundant places. [2021-03-26 07:47:18,134 INFO L241 Difference]: Finished difference. Result has 45 places, 68 transitions, 687 flow [2021-03-26 07:47:18,134 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=687, PETRI_PLACES=45, PETRI_TRANSITIONS=68} [2021-03-26 07:47:18,134 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 18 predicate places. [2021-03-26 07:47:18,134 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:47:18,134 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 68 transitions, 687 flow [2021-03-26 07:47:18,134 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 68 transitions, 687 flow [2021-03-26 07:47:18,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 68 transitions, 687 flow [2021-03-26 07:47:18,179 INFO L129 PetriNetUnfolder]: 288/510 cut-off events. [2021-03-26 07:47:18,180 INFO L130 PetriNetUnfolder]: For 1453/1631 co-relation queries the response was YES. [2021-03-26 07:47:18,182 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2275 conditions, 510 events. 288/510 cut-off events. For 1453/1631 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2408 event pairs, 48 based on Foata normal form. 7/467 useless extension candidates. Maximal degree in co-relation 2183. Up to 317 conditions per place. [2021-03-26 07:47:18,187 INFO L142 LiptonReduction]: Number of co-enabled transitions 438 [2021-03-26 07:47:18,194 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:47:18,194 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:47:18,194 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60 [2021-03-26 07:47:18,195 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 68 transitions, 687 flow [2021-03-26 07:47:18,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 33.375) internal successors, (267), 8 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:18,195 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:47:18,195 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:47:18,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:47:18,418 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:47:18,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:47:18,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1374283109, now seen corresponding path program 2 times [2021-03-26 07:47:18,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:47:18,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87799390] [2021-03-26 07:47:18,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:47:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:47:18,437 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:47:18,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,443 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 07:47:18,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:18,452 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 07:47:18,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,461 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 07:47:18,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:18,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:18,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:47:18,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87799390] [2021-03-26 07:47:18,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571692902] [2021-03-26 07:47:18,470 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:47:18,504 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 07:47:18,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 07:47:18,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 07:47:18,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 07:47:18,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:18,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:18,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:47:18,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:18,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:18,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:47:18,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:18,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:18,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:18,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:18,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:18,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:18,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:18,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:47:18,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:47:18,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:18,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:47:18,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:47:18,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:18,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:18,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:18,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:18,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:18,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:18,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:47:18,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:18,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:18,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:18,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:18,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:18,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:18,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:18,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:18,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:18,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:18,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:18,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:18,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:18,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:18,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:18,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 07:47:18,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 07:47:18,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-26 07:47:18,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566763606] [2021-03-26 07:47:18,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:47:18,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:47:18,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:47:18,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:47:18,608 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 46 [2021-03-26 07:47:18,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 68 transitions, 687 flow. Second operand has 9 states, 9 states have (on average 27.77777777777778) internal successors, (250), 9 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:18,608 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:47:18,608 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 46 [2021-03-26 07:47:18,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:47:19,113 INFO L129 PetriNetUnfolder]: 2095/3383 cut-off events. [2021-03-26 07:47:19,114 INFO L130 PetriNetUnfolder]: For 15015/15431 co-relation queries the response was YES. [2021-03-26 07:47:19,125 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17315 conditions, 3383 events. 2095/3383 cut-off events. For 15015/15431 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 20225 event pairs, 264 based on Foata normal form. 182/3337 useless extension candidates. Maximal degree in co-relation 16943. Up to 1904 conditions per place. [2021-03-26 07:47:19,151 INFO L132 encePairwiseOnDemand]: 40/46 looper letters, 67 selfloop transitions, 105 changer transitions 1/195 dead transitions. [2021-03-26 07:47:19,151 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 195 transitions, 2397 flow [2021-03-26 07:47:19,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 07:47:19,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 07:47:19,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 375 transitions. [2021-03-26 07:47:19,153 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6793478260869565 [2021-03-26 07:47:19,153 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 375 transitions. [2021-03-26 07:47:19,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 375 transitions. [2021-03-26 07:47:19,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:47:19,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 375 transitions. [2021-03-26 07:47:19,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.25) internal successors, (375), 12 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:19,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 46.0) internal successors, (598), 13 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:19,155 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 46.0) internal successors, (598), 13 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:19,155 INFO L185 Difference]: Start difference. First operand has 45 places, 68 transitions, 687 flow. Second operand 12 states and 375 transitions. [2021-03-26 07:47:19,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 195 transitions, 2397 flow [2021-03-26 07:47:19,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 195 transitions, 2131 flow, removed 133 selfloop flow, removed 0 redundant places. [2021-03-26 07:47:19,169 INFO L241 Difference]: Finished difference. Result has 64 places, 172 transitions, 2108 flow [2021-03-26 07:47:19,169 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2108, PETRI_PLACES=64, PETRI_TRANSITIONS=172} [2021-03-26 07:47:19,169 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 37 predicate places. [2021-03-26 07:47:19,169 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:47:19,170 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 172 transitions, 2108 flow [2021-03-26 07:47:19,170 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 172 transitions, 2108 flow [2021-03-26 07:47:19,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 172 transitions, 2108 flow [2021-03-26 07:47:19,320 INFO L129 PetriNetUnfolder]: 946/1849 cut-off events. [2021-03-26 07:47:19,320 INFO L130 PetriNetUnfolder]: For 9121/9634 co-relation queries the response was YES. [2021-03-26 07:47:19,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9045 conditions, 1849 events. 946/1849 cut-off events. For 9121/9634 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 12795 event pairs, 189 based on Foata normal form. 7/1710 useless extension candidates. Maximal degree in co-relation 8646. Up to 791 conditions per place. [2021-03-26 07:47:19,349 INFO L142 LiptonReduction]: Number of co-enabled transitions 1190 [2021-03-26 07:47:19,388 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:47:19,388 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:47:19,388 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 219 [2021-03-26 07:47:19,389 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 172 transitions, 2108 flow [2021-03-26 07:47:19,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.77777777777778) internal successors, (250), 9 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:19,389 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:47:19,389 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:47:19,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-03-26 07:47:19,596 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:47:19,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:47:19,596 INFO L82 PathProgramCache]: Analyzing trace with hash 665674093, now seen corresponding path program 3 times [2021-03-26 07:47:19,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:47:19,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597892660] [2021-03-26 07:47:19,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:47:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:47:19,614 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 07:47:19,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:47:19,621 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 07:47:19,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:19,629 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 07:47:19,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:19,638 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 07:47:19,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:19,646 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 07:47:19,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:19,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:19,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 07:47:19,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597892660] [2021-03-26 07:47:19,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899436186] [2021-03-26 07:47:19,657 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:47:19,700 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 07:47:19,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 07:47:19,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 07:47:19,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 07:47:19,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:19,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:19,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:19,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:19,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:19,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:19,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:19,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:19,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:19,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:19,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:19,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:19,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:19,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:19,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:19,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:19,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:19,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:19,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:47:19,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:19,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:19,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:47:19,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:19,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:19,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:19,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:19,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:47:19,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:19,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:19,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:19,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:47:19,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 07:47:19,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:19,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:19,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:19,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:19,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:19,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:19,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:19,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:19,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:19,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:19,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:19,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:47:19,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:19,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:19,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:47:19,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:19,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:19,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:19,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:19,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:19,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:19,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:19,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:19,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:19,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:19,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:19,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:19,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:19,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:19,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:19,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:19,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:19,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:19,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:19,787 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 07:47:19,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 07:47:19,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 07:47:19,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318222989] [2021-03-26 07:47:19,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:47:19,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:47:19,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:47:19,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:47:19,789 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 46 [2021-03-26 07:47:19,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 172 transitions, 2108 flow. Second operand has 11 states, 11 states have (on average 27.454545454545453) internal successors, (302), 11 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:19,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:47:19,790 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 46 [2021-03-26 07:47:19,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:47:21,963 INFO L129 PetriNetUnfolder]: 8046/13281 cut-off events. [2021-03-26 07:47:21,964 INFO L130 PetriNetUnfolder]: For 88776/89975 co-relation queries the response was YES. [2021-03-26 07:47:22,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76520 conditions, 13281 events. 8046/13281 cut-off events. For 88776/89975 co-relation queries the response was YES. Maximal size of possible extension queue 1031. Compared 100111 event pairs, 1023 based on Foata normal form. 1391/14134 useless extension candidates. Maximal degree in co-relation 75001. Up to 5457 conditions per place. [2021-03-26 07:47:22,145 INFO L132 encePairwiseOnDemand]: 39/46 looper letters, 277 selfloop transitions, 369 changer transitions 0/717 dead transitions. [2021-03-26 07:47:22,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 717 transitions, 10432 flow [2021-03-26 07:47:22,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 07:47:22,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 07:47:22,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 653 transitions. [2021-03-26 07:47:22,148 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6759834368530021 [2021-03-26 07:47:22,148 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 653 transitions. [2021-03-26 07:47:22,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 653 transitions. [2021-03-26 07:47:22,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:47:22,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 653 transitions. [2021-03-26 07:47:22,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 31.095238095238095) internal successors, (653), 21 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:22,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 46.0) internal successors, (1012), 22 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:22,152 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 46.0) internal successors, (1012), 22 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:22,153 INFO L185 Difference]: Start difference. First operand has 63 places, 172 transitions, 2108 flow. Second operand 21 states and 653 transitions. [2021-03-26 07:47:22,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 717 transitions, 10432 flow [2021-03-26 07:47:22,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 717 transitions, 9066 flow, removed 674 selfloop flow, removed 3 redundant places. [2021-03-26 07:47:22,347 INFO L241 Difference]: Finished difference. Result has 92 places, 587 transitions, 8119 flow [2021-03-26 07:47:22,348 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=1870, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=8119, PETRI_PLACES=92, PETRI_TRANSITIONS=587} [2021-03-26 07:47:22,348 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 65 predicate places. [2021-03-26 07:47:22,348 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:47:22,348 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 587 transitions, 8119 flow [2021-03-26 07:47:22,348 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 587 transitions, 8119 flow [2021-03-26 07:47:22,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 587 transitions, 8119 flow [2021-03-26 07:47:23,496 INFO L129 PetriNetUnfolder]: 4753/9295 cut-off events. [2021-03-26 07:47:23,497 INFO L130 PetriNetUnfolder]: For 98720/101846 co-relation queries the response was YES. [2021-03-26 07:47:23,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58649 conditions, 9295 events. 4753/9295 cut-off events. For 98720/101846 co-relation queries the response was YES. Maximal size of possible extension queue 960. Compared 84574 event pairs, 1088 based on Foata normal form. 401/8943 useless extension candidates. Maximal degree in co-relation 56822. Up to 3582 conditions per place. [2021-03-26 07:47:23,623 INFO L142 LiptonReduction]: Number of co-enabled transitions 2492 [2021-03-26 07:47:23,747 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:47:23,748 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:47:23,748 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1400 [2021-03-26 07:47:23,749 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 587 transitions, 8119 flow [2021-03-26 07:47:23,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.454545454545453) internal successors, (302), 11 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:23,749 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:47:23,750 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:47:23,971 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:47:23,971 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:47:23,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:47:23,972 INFO L82 PathProgramCache]: Analyzing trace with hash -900137069, now seen corresponding path program 4 times [2021-03-26 07:47:23,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:47:23,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833058866] [2021-03-26 07:47:23,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:47:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:47:23,984 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:47:23,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:23,989 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 07:47:23,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:23,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:23,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:24,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:24,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,006 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 07:47:24,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833058866] [2021-03-26 07:47:24,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598288790] [2021-03-26 07:47:24,006 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:47:24,066 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 07:47:24,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 07:47:24,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 07:47:24,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 07:47:24,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:24,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:24,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:24,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:24,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:24,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:24,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:24,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:24,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:24,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:24,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:47:24,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:24,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:24,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:47:24,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:24,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:24,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:24,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:24,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:24,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:24,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:24,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:24,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:24,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:24,109 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 07:47:24,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:24,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:24,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:24,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:47:24,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:24,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:24,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:24,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:24,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:24,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 07:47:24,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:24,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:47:24,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:24,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:24,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:47:24,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:24,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:24,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:24,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:24,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:24,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:24,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:24,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:24,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:24,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:24,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:24,129 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 07:47:24,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:24,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 07:47:24,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 07:47:24,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-26 07:47:24,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986039063] [2021-03-26 07:47:24,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 07:47:24,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:47:24,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 07:47:24,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-03-26 07:47:24,146 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-03-26 07:47:24,147 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 587 transitions, 8119 flow. Second operand has 8 states, 8 states have (on average 32.125) internal successors, (257), 8 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:24,147 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:47:24,147 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-03-26 07:47:24,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:47:27,698 INFO L129 PetriNetUnfolder]: 12837/22486 cut-off events. [2021-03-26 07:47:27,699 INFO L130 PetriNetUnfolder]: For 261618/268800 co-relation queries the response was YES. [2021-03-26 07:47:27,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155899 conditions, 22486 events. 12837/22486 cut-off events. For 261618/268800 co-relation queries the response was YES. Maximal size of possible extension queue 1981. Compared 202616 event pairs, 2590 based on Foata normal form. 1062/21820 useless extension candidates. Maximal degree in co-relation 152735. Up to 9959 conditions per place. [2021-03-26 07:47:27,979 INFO L132 encePairwiseOnDemand]: 41/46 looper letters, 843 selfloop transitions, 414 changer transitions 3/1498 dead transitions. [2021-03-26 07:47:27,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 1498 transitions, 23426 flow [2021-03-26 07:47:27,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 07:47:27,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 07:47:27,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 304 transitions. [2021-03-26 07:47:27,981 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7342995169082126 [2021-03-26 07:47:27,981 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 304 transitions. [2021-03-26 07:47:27,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 304 transitions. [2021-03-26 07:47:27,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:47:27,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 304 transitions. [2021-03-26 07:47:27,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 33.77777777777778) internal successors, (304), 9 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:27,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 46.0) internal successors, (460), 10 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:27,983 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 46.0) internal successors, (460), 10 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:27,983 INFO L185 Difference]: Start difference. First operand has 92 places, 587 transitions, 8119 flow. Second operand 9 states and 304 transitions. [2021-03-26 07:47:27,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 1498 transitions, 23426 flow [2021-03-26 07:47:28,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 1498 transitions, 22011 flow, removed 665 selfloop flow, removed 3 redundant places. [2021-03-26 07:47:28,901 INFO L241 Difference]: Finished difference. Result has 102 places, 996 transitions, 14980 flow [2021-03-26 07:47:28,901 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=7263, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14980, PETRI_PLACES=102, PETRI_TRANSITIONS=996} [2021-03-26 07:47:28,902 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 75 predicate places. [2021-03-26 07:47:28,902 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:47:28,902 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 996 transitions, 14980 flow [2021-03-26 07:47:28,902 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 996 transitions, 14980 flow [2021-03-26 07:47:28,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 996 transitions, 14980 flow [2021-03-26 07:47:31,870 INFO L129 PetriNetUnfolder]: 10910/20226 cut-off events. [2021-03-26 07:47:31,871 INFO L130 PetriNetUnfolder]: For 298381/308226 co-relation queries the response was YES. [2021-03-26 07:47:32,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 142029 conditions, 20226 events. 10910/20226 cut-off events. For 298381/308226 co-relation queries the response was YES. Maximal size of possible extension queue 1901. Compared 193336 event pairs, 2394 based on Foata normal form. 1341/20242 useless extension candidates. Maximal degree in co-relation 138547. Up to 8441 conditions per place. [2021-03-26 07:47:32,214 INFO L142 LiptonReduction]: Number of co-enabled transitions 3916 [2021-03-26 07:47:32,419 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:47:32,419 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:47:32,420 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3518 [2021-03-26 07:47:32,421 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 996 transitions, 14980 flow [2021-03-26 07:47:32,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 32.125) internal successors, (257), 8 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:32,421 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:47:32,421 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:47:32,635 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:47:32,636 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:47:32,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:47:32,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1640175217, now seen corresponding path program 5 times [2021-03-26 07:47:32,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:47:32,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188837522] [2021-03-26 07:47:32,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:47:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:47:32,658 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 07:47:32,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:47:32,666 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-26 07:47:32,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:47:32,674 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 07:47:32,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:32,683 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-26 07:47:32,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:47:32,686 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 07:47:32,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,694 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-03-26 07:47:32,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,695 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:47:32,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188837522] [2021-03-26 07:47:32,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184930509] [2021-03-26 07:47:32,695 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:47:32,746 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-26 07:47:32,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 07:47:32,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 07:47:32,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 07:47:32,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:47:32,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:32,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:32,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:47:32,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:32,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:32,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:47:32,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:32,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:32,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:47:32,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:32,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:47:32,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:32,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:47:32,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:47:32,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:32,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:47:32,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:47:32,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:32,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:32,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:32,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:47:32,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:47:32,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:47:32,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:47:32,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:32,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:32,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:32,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:32,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:32,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:47:32,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:47:32,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:47:32,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 07:47:32,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 07:47:32,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-26 07:47:32,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99308791] [2021-03-26 07:47:32,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:47:32,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:47:32,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:47:32,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:47:32,859 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 46 [2021-03-26 07:47:32,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 996 transitions, 14980 flow. Second operand has 9 states, 9 states have (on average 23.11111111111111) internal successors, (208), 9 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:47:32,860 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:47:32,860 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 46 [2021-03-26 07:47:32,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:48:09,069 INFO L129 PetriNetUnfolder]: 91069/150206 cut-off events. [2021-03-26 07:48:09,069 INFO L130 PetriNetUnfolder]: For 2497128/2497235 co-relation queries the response was YES. [2021-03-26 07:48:10,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1206513 conditions, 150206 events. 91069/150206 cut-off events. For 2497128/2497235 co-relation queries the response was YES. Maximal size of possible extension queue 9538. Compared 1506755 event pairs, 5879 based on Foata normal form. 5710/155897 useless extension candidates. Maximal degree in co-relation 1187130. Up to 60423 conditions per place. [2021-03-26 07:48:11,089 INFO L132 encePairwiseOnDemand]: 38/46 looper letters, 5082 selfloop transitions, 1733 changer transitions 263/7087 dead transitions. [2021-03-26 07:48:11,089 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 7087 transitions, 125855 flow [2021-03-26 07:48:11,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-26 07:48:11,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-26 07:48:11,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 625 transitions. [2021-03-26 07:48:11,091 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6175889328063241 [2021-03-26 07:48:11,091 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 625 transitions. [2021-03-26 07:48:11,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 625 transitions. [2021-03-26 07:48:11,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:48:11,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 625 transitions. [2021-03-26 07:48:11,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 28.40909090909091) internal successors, (625), 22 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:48:11,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 46.0) internal successors, (1058), 23 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:48:11,095 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 46.0) internal successors, (1058), 23 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:48:11,095 INFO L185 Difference]: Start difference. First operand has 102 places, 996 transitions, 14980 flow. Second operand 22 states and 625 transitions. [2021-03-26 07:48:11,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 7087 transitions, 125855 flow [2021-03-26 07:48:51,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 7087 transitions, 119426 flow, removed 3213 selfloop flow, removed 1 redundant places. [2021-03-26 07:48:51,262 INFO L241 Difference]: Finished difference. Result has 141 places, 2896 transitions, 47027 flow [2021-03-26 07:48:51,263 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=14107, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=996, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=286, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=666, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=47027, PETRI_PLACES=141, PETRI_TRANSITIONS=2896} [2021-03-26 07:48:51,263 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 114 predicate places. [2021-03-26 07:48:51,263 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:48:51,263 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 2896 transitions, 47027 flow [2021-03-26 07:48:51,263 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 2896 transitions, 47027 flow [2021-03-26 07:48:51,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 2896 transitions, 47027 flow [2021-03-26 07:49:09,157 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([119] L34-1-->thread2EXIT: Formula: (not (< v_i2_16 v_N2_6)) InVars {i2=v_i2_16, N2=v_N2_6} OutVars{i2=v_i2_16, N2=v_N2_6} AuxVars[] AssignedVars[][2174], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 257#(and (<= counter 0) (<= 0 counter)), Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, Black: 320#(and (<= j1 i1) (= M1 N1)), Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), 14#L74true, Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 404#true, 25#thread3EXITtrue, 28#L23-1true, 31#thread4EXITtrue, Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), 53#true, Black: 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 599#(and (<= M1 N2) (<= i2 j1)), Black: 55#(and (= i2 i1) (= N2 N1)), Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), 325#(and (<= N1 N2) (<= i2 i1)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1))]) [2021-03-26 07:49:09,157 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-03-26 07:49:09,157 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 07:49:09,157 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 07:49:09,157 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 07:49:15,356 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L57-1-->thread4EXIT: Formula: (not (< v_j2_20 v_M2_6)) InVars {j2=v_j2_20, M2=v_M2_6} OutVars{j2=v_j2_20, M2=v_M2_6} AuxVars[] AssignedVars[][1948], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 519#(<= M1 j1), Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, 12#thread1EXITtrue, Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), 14#L74true, Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), Black: 325#(and (<= N1 N2) (<= i2 i1)), Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 404#true, 25#thread3EXITtrue, 31#thread4EXITtrue, 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), 56#(<= N1 i1), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 257#(and (<= counter 0) (<= 0 counter)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 599#(and (<= M1 N2) (<= i2 j1)), Black: 55#(and (= i2 i1) (= N2 N1)), Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), 320#(and (<= j1 i1) (= M1 N1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 255#true, 127#(<= N1 i1)]) [2021-03-26 07:49:15,356 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-03-26 07:49:15,356 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 07:49:15,356 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 07:49:15,356 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 07:49:15,361 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L57-1-->thread4EXIT: Formula: (not (< v_j2_20 v_M2_6)) InVars {j2=v_j2_20, M2=v_M2_6} OutVars{j2=v_j2_20, M2=v_M2_6} AuxVars[] AssignedVars[][1948], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 519#(<= M1 j1), Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, 12#thread1EXITtrue, Black: 320#(and (<= j1 i1) (= M1 N1)), Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), 14#L74true, Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 25#thread3EXITtrue, 414#(and (<= j2 i1) (<= N1 M2)), 31#thread4EXITtrue, 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), 56#(<= N1 i1), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 257#(and (<= counter 0) (<= 0 counter)), Black: 55#(and (= i2 i1) (= N2 N1)), Black: 599#(and (<= M1 N2) (<= i2 j1)), Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), 325#(and (<= N1 N2) (<= i2 i1)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), 127#(<= N1 i1), Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 255#true]) [2021-03-26 07:49:15,362 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-03-26 07:49:15,362 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 07:49:15,362 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-03-26 07:49:15,362 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-03-26 07:49:16,806 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([117] L46-1-->L46-1: Formula: (and (= v_counter_41 (+ v_counter_42 1)) (= (+ v_j1_13 1) v_j1_12) (< v_j1_13 v_M1_4)) InVars {counter=v_counter_42, j1=v_j1_13, M1=v_M1_4} OutVars{counter=v_counter_41, j1=v_j1_12, M1=v_M1_4} AuxVars[] AssignedVars[counter, j1][228], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 514#true, Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, 12#thread1EXITtrue, Black: 320#(and (<= j1 i1) (= M1 N1)), Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), 14#L74true, Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 404#true, 20#L46-1true, 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), 38#L57-1true, Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), Black: 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), 56#(<= N1 i1), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 257#(and (<= counter 0) (<= 0 counter)), Black: 55#(and (= i2 i1) (= N2 N1)), Black: 599#(and (<= M1 N2) (<= i2 j1)), Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), 325#(and (<= N1 N2) (<= i2 i1)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), 127#(<= N1 i1), Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 255#true]) [2021-03-26 07:49:16,807 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is not cut-off event [2021-03-26 07:49:16,807 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-26 07:49:16,807 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-26 07:49:16,807 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-26 07:49:16,824 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L57-1-->thread4EXIT: Formula: (not (< v_j2_20 v_M2_6)) InVars {j2=v_j2_20, M2=v_M2_6} OutVars{j2=v_j2_20, M2=v_M2_6} AuxVars[] AssignedVars[][1948], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 514#true, Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, 12#thread1EXITtrue, Black: 320#(and (<= j1 i1) (= M1 N1)), Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), 14#L74true, Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 404#true, 20#L46-1true, 31#thread4EXITtrue, Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), Black: 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), 56#(<= N1 i1), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 257#(and (<= counter 0) (<= 0 counter)), Black: 55#(and (= i2 i1) (= N2 N1)), Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), 325#(and (<= N1 N2) (<= i2 i1)), Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), 599#(and (<= M1 N2) (<= i2 j1)), Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), 127#(<= N1 i1), Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 255#true]) [2021-03-26 07:49:16,824 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is not cut-off event [2021-03-26 07:49:16,824 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-26 07:49:16,824 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-26 07:49:16,824 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-26 07:49:21,075 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L57-1-->thread4EXIT: Formula: (not (< v_j2_20 v_M2_6)) InVars {j2=v_j2_20, M2=v_M2_6} OutVars{j2=v_j2_20, M2=v_M2_6} AuxVars[] AssignedVars[][1948], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), 257#(and (<= counter 0) (<= 0 counter)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 514#true, Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, Black: 320#(and (<= j1 i1) (= M1 N1)), 12#thread1EXITtrue, Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), 14#L74true, Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), Black: 325#(and (<= N1 N2) (<= i2 i1)), Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 404#true, 20#L46-1true, 31#thread4EXITtrue, Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), Black: 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), 56#(<= N1 i1), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 599#(and (<= M1 N2) (<= i2 j1)), Black: 55#(and (= i2 i1) (= N2 N1)), 316#true, Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), 590#true, Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 127#(<= N1 i1)]) [2021-03-26 07:49:21,076 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-03-26 07:49:21,076 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 07:49:21,076 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-03-26 07:49:21,076 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-03-26 07:49:25,024 INFO L129 PetriNetUnfolder]: 56551/113052 cut-off events. [2021-03-26 07:49:25,024 INFO L130 PetriNetUnfolder]: For 3466229/3523450 co-relation queries the response was YES. [2021-03-26 07:49:26,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 985760 conditions, 113052 events. 56551/113052 cut-off events. For 3466229/3523450 co-relation queries the response was YES. Maximal size of possible extension queue 10338. Compared 1435379 event pairs, 9153 based on Foata normal form. 6129/113009 useless extension candidates. Maximal degree in co-relation 960186. Up to 44366 conditions per place. [2021-03-26 07:49:27,876 INFO L142 LiptonReduction]: Number of co-enabled transitions 19018 [2021-03-26 07:49:29,080 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:49:29,080 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:49:29,080 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37817 [2021-03-26 07:49:29,081 INFO L480 AbstractCegarLoop]: Abstraction has has 141 places, 2896 transitions, 47027 flow [2021-03-26 07:49:29,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 23.11111111111111) internal successors, (208), 9 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:49:29,081 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:49:29,081 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:49:29,282 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-03-26 07:49:29,282 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:49:29,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:49:29,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1715024623, now seen corresponding path program 6 times [2021-03-26 07:49:29,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:49:29,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028882896] [2021-03-26 07:49:29,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:49:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:49:29,304 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 07:49:29,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:49:29,312 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-26 07:49:29,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:49:29,320 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 07:49:29,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:49:29,329 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 07:49:29,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:49:29,336 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 07:49:29,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:49:29,343 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-03-26 07:49:29,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 07:49:29,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028882896] [2021-03-26 07:49:29,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373523334] [2021-03-26 07:49:29,344 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:49:29,374 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-26 07:49:29,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 07:49:29,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 07:49:29,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 07:49:29,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:49:29,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:49:29,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:49:29,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:49:29,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:49:29,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:49:29,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:49:29,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:49:29,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:49:29,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:49:29,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:49:29,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:49:29,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:49:29,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:49:29,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:49:29,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:49:29,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:49:29,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:49:29,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:49:29,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:49:29,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:49:29,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:49:29,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:49:29,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:49:29,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:49:29,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:49:29,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:49:29,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:49:29,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:49:29,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:49:29,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:49:29,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:49:29,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:49:29,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:49:29,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:49:29,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:49:29,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:49:29,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:49:29,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:49:29,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:49:29,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:49:29,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:49:29,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:49:29,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:49:29,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:49:29,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:49:29,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:49:29,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:49:29,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:49:29,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:49:29,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:49:29,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:49:29,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:49:29,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:49:29,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:49:29,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:49:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 07:49:29,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 07:49:29,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-03-26 07:49:29,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080123089] [2021-03-26 07:49:29,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:49:29,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:49:29,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:49:29,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:49:29,466 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 46 [2021-03-26 07:49:29,466 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 2896 transitions, 47027 flow. Second operand has 10 states, 10 states have (on average 27.6) internal successors, (276), 10 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 07:49:29,466 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:49:29,466 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 46 [2021-03-26 07:49:29,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:51:10,308 INFO L129 PetriNetUnfolder]: 99193/181649 cut-off events. [2021-03-26 07:51:10,308 INFO L130 PetriNetUnfolder]: For 6007405/6039397 co-relation queries the response was YES. [2021-03-26 07:51:12,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1782797 conditions, 181649 events. 99193/181649 cut-off events. For 6007405/6039397 co-relation queries the response was YES. Maximal size of possible extension queue 13749. Compared 2164774 event pairs, 14264 based on Foata normal form. 5615/181748 useless extension candidates. Maximal degree in co-relation 1752146. Up to 61692 conditions per place. [2021-03-26 07:51:13,576 INFO L132 encePairwiseOnDemand]: 39/46 looper letters, 3242 selfloop transitions, 4735 changer transitions 260/8782 dead transitions. [2021-03-26 07:51:13,577 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 8782 transitions, 163128 flow [2021-03-26 07:51:13,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-26 07:51:13,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-26 07:51:13,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 840 transitions. [2021-03-26 07:51:13,580 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6763285024154589 [2021-03-26 07:51:13,580 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 840 transitions. [2021-03-26 07:51:13,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 840 transitions. [2021-03-26 07:51:13,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:51:13,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 840 transitions. [2021-03-26 07:51:13,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 31.11111111111111) internal successors, (840), 27 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:51:13,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 46.0) internal successors, (1288), 28 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:51:13,584 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 46.0) internal successors, (1288), 28 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:51:13,584 INFO L185 Difference]: Start difference. First operand has 141 places, 2896 transitions, 47027 flow. Second operand 27 states and 840 transitions. [2021-03-26 07:51:13,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 8782 transitions, 163128 flow [2021-03-26 07:53:53,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 8782 transitions, 160109 flow, removed 1508 selfloop flow, removed 1 redundant places. [2021-03-26 07:53:53,444 INFO L241 Difference]: Finished difference. Result has 187 places, 7318 transitions, 142046 flow [2021-03-26 07:53:53,446 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=45540, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2896, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1386, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=917, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=142046, PETRI_PLACES=187, PETRI_TRANSITIONS=7318} [2021-03-26 07:53:53,446 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 160 predicate places. [2021-03-26 07:53:53,446 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:53,447 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 7318 transitions, 142046 flow [2021-03-26 07:53:53,447 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 7318 transitions, 142046 flow [2021-03-26 07:53:53,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 187 places, 7318 transitions, 142046 flow [2021-03-26 07:54:52,901 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L57-1-->thread4EXIT: Formula: (not (< v_j2_20 v_M2_6)) InVars {j2=v_j2_20, M2=v_M2_6} OutVars{j2=v_j2_20, M2=v_M2_6} AuxVars[] AssignedVars[][4701], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 519#(<= M1 j1), Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, Black: 320#(and (<= j1 i1) (= M1 N1)), 12#thread1EXITtrue, Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), 14#L74true, Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), Black: 325#(and (<= N1 N2) (<= i2 i1)), Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 404#true, 25#thread3EXITtrue, 31#thread4EXITtrue, Black: 800#(and (<= N1 j1) (= N2 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 770#(and (= N2 N1) (<= i1 (+ j1 1)) (<= i2 j1) (= M1 N1)), Black: 802#(and (<= N1 j1) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 708#(and (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 772#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 j1) (= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 804#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 709#(and (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 806#(and (<= N1 j1) (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 774#(and (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), Black: 808#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), Black: 776#(and (= N2 N1) (< i1 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 778#(and (= N2 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 715#(and (<= i1 j1) (<= M1 N1)), Black: 780#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 782#(and (= N2 N1) (< i1 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), 56#(<= N1 i1), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 784#(and (<= N1 j1) (= N2 N1) (< i1 N1) (<= i2 j1) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 786#(and (= N2 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 788#(and (<= N1 j1) (= N2 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 257#(and (<= counter 0) (<= 0 counter)), Black: 725#(and (<= i1 (+ j1 1)) (<= M1 N1)), Black: 599#(and (<= M1 N2) (<= i2 j1)), 316#true, Black: 55#(and (= i2 i1) (= N2 N1)), Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 792#(and (<= N1 j1) (= N2 N1) (< i1 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 796#(and (<= N1 j1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), 705#true, Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 255#true, 127#(<= N1 i1)]) [2021-03-26 07:54:52,901 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-03-26 07:54:52,901 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 07:54:52,901 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 07:54:52,901 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 07:55:10,764 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L57-1-->thread4EXIT: Formula: (not (< v_j2_20 v_M2_6)) InVars {j2=v_j2_20, M2=v_M2_6} OutVars{j2=v_j2_20, M2=v_M2_6} AuxVars[] AssignedVars[][4701], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 519#(<= M1 j1), Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, 12#thread1EXITtrue, Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), 14#L74true, Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), Black: 325#(and (<= N1 N2) (<= i2 i1)), Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 25#thread3EXITtrue, 414#(and (<= j2 i1) (<= N1 M2)), 31#thread4EXITtrue, Black: 800#(and (<= N1 j1) (= N2 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 770#(and (= N2 N1) (<= i1 (+ j1 1)) (<= i2 j1) (= M1 N1)), Black: 802#(and (<= N1 j1) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 708#(and (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 772#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 j1) (= M1 N1)), Black: 804#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 709#(and (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 806#(and (<= N1 j1) (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 774#(and (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), Black: 808#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), Black: 776#(and (= N2 N1) (< i1 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 778#(and (= N2 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 715#(and (<= i1 j1) (<= M1 N1)), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 780#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), 56#(<= N1 i1), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 782#(and (= N2 N1) (< i1 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 784#(and (<= N1 j1) (= N2 N1) (< i1 N1) (<= i2 j1) (= M1 N1)), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 786#(and (= N2 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 788#(and (<= N1 j1) (= N2 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 257#(and (<= counter 0) (<= 0 counter)), Black: 725#(and (<= i1 (+ j1 1)) (<= M1 N1)), Black: 599#(and (<= M1 N2) (<= i2 j1)), Black: 55#(and (= i2 i1) (= N2 N1)), Black: 792#(and (<= N1 j1) (= N2 N1) (< i1 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 796#(and (<= N1 j1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), 320#(and (<= j1 i1) (= M1 N1)), 705#true, Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), 127#(<= N1 i1), Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 255#true]) [2021-03-26 07:55:10,764 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-03-26 07:55:10,764 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-03-26 07:55:10,764 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-03-26 07:55:10,764 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 07:55:24,920 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L57-1-->thread4EXIT: Formula: (not (< v_j2_20 v_M2_6)) InVars {j2=v_j2_20, M2=v_M2_6} OutVars{j2=v_j2_20, M2=v_M2_6} AuxVars[] AssignedVars[][4701], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 519#(<= M1 j1), Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, 12#thread1EXITtrue, Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), 14#L74true, Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), Black: 325#(and (<= N1 N2) (<= i2 i1)), Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 404#true, 25#thread3EXITtrue, 31#thread4EXITtrue, Black: 800#(and (<= N1 j1) (= N2 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 770#(and (= N2 N1) (<= i1 (+ j1 1)) (<= i2 j1) (= M1 N1)), Black: 802#(and (<= N1 j1) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 708#(and (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 772#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 j1) (= M1 N1)), Black: 804#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 709#(and (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 806#(and (<= N1 j1) (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 774#(and (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), Black: 808#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), Black: 776#(and (= N2 N1) (< i1 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 778#(and (= N2 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 715#(and (<= i1 j1) (<= M1 N1)), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 780#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), 56#(<= N1 i1), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 782#(and (= N2 N1) (< i1 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 784#(and (<= N1 j1) (= N2 N1) (< i1 N1) (<= i2 j1) (= M1 N1)), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 786#(and (= N2 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 788#(and (<= N1 j1) (= N2 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 257#(and (<= counter 0) (<= 0 counter)), Black: 725#(and (<= i1 (+ j1 1)) (<= M1 N1)), Black: 599#(and (<= M1 N2) (<= i2 j1)), Black: 55#(and (= i2 i1) (= N2 N1)), Black: 792#(and (<= N1 j1) (= N2 N1) (< i1 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 796#(and (<= N1 j1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), 320#(and (<= j1 i1) (= M1 N1)), 705#true, Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), 127#(<= N1 i1), 255#true, Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1))]) [2021-03-26 07:55:24,920 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-03-26 07:55:24,920 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 07:55:24,920 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 07:55:24,920 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 07:55:46,667 INFO L129 PetriNetUnfolder]: 77257/153518 cut-off events. [2021-03-26 07:55:46,668 INFO L130 PetriNetUnfolder]: For 6874341/6929098 co-relation queries the response was YES. [2021-03-26 07:55:49,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1589290 conditions, 153518 events. 77257/153518 cut-off events. For 6874341/6929098 co-relation queries the response was YES. Maximal size of possible extension queue 13217. Compared 1985169 event pairs, 11300 based on Foata normal form. 5053/152751 useless extension candidates. Maximal degree in co-relation 1557395. Up to 49678 conditions per place. [2021-03-26 07:55:51,241 INFO L142 LiptonReduction]: Number of co-enabled transitions 24226 [2021-03-26 07:55:58,328 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:58,329 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:58,329 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 124883 [2021-03-26 07:55:58,329 INFO L480 AbstractCegarLoop]: Abstraction has has 187 places, 7318 transitions, 142046 flow [2021-03-26 07:55:58,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.6) internal successors, (276), 10 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 07:55:58,329 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:58,329 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:58,530 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:55:58,530 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:58,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:58,530 INFO L82 PathProgramCache]: Analyzing trace with hash -422305793, now seen corresponding path program 7 times [2021-03-26 07:55:58,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:58,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291222150] [2021-03-26 07:55:58,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:58,558 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:58,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:58,563 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 07:55:58,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:55:58,569 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 07:55:58,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:58,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,582 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 07:55:58,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291222150] [2021-03-26 07:55:58,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295003323] [2021-03-26 07:55:58,582 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 07:55:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:58,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 07:55:58,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 07:55:58,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:58,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:58,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:58,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:58,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:58,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:58,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:58,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:58,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:55:58,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:55:58,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:58,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:55:58,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:55:58,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:58,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:55:58,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:55:58,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:55:58,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:55:58,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:55:58,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:55:58,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:55:58,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:55:58,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:58,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:55:58,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:55:58,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:58,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:58,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:58,646 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 07:55:58,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:58,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 07:55:58,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:58,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:55:58,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 07:55:58,662 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 07:55:58,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:55:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 07:55:58,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 07:55:58,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-03-26 07:55:58,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077095134] [2021-03-26 07:55:58,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 07:55:58,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:58,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 07:55:58,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-26 07:55:58,672 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-03-26 07:55:58,673 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 7318 transitions, 142046 flow. Second operand has 8 states, 8 states have (on average 32.25) internal successors, (258), 8 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:58,673 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:58,673 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-03-26 07:55:58,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:59:51,963 INFO L129 PetriNetUnfolder]: 86129/167750 cut-off events. [2021-03-26 07:59:51,963 INFO L130 PetriNetUnfolder]: For 9031858/9083963 co-relation queries the response was YES. [2021-03-26 07:59:54,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1886122 conditions, 167750 events. 86129/167750 cut-off events. For 9031858/9083963 co-relation queries the response was YES. Maximal size of possible extension queue 14023. Compared 2135198 event pairs, 11388 based on Foata normal form. 8439/170279 useless extension candidates. Maximal degree in co-relation 1853580. Up to 57048 conditions per place. [2021-03-26 07:59:55,980 INFO L132 encePairwiseOnDemand]: 41/46 looper letters, 3154 selfloop transitions, 4046 changer transitions 255/9115 dead transitions. [2021-03-26 07:59:55,981 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 9115 transitions, 191802 flow [2021-03-26 07:59:55,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 07:59:55,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 07:59:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 269 transitions. [2021-03-26 07:59:55,992 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7309782608695652 [2021-03-26 07:59:55,992 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 269 transitions. [2021-03-26 07:59:55,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 269 transitions. [2021-03-26 07:59:55,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:59:55,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 269 transitions. [2021-03-26 07:59:55,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 33.625) internal successors, (269), 8 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:55,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 46.0) internal successors, (414), 9 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:55,993 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 46.0) internal successors, (414), 9 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:55,993 INFO L185 Difference]: Start difference. First operand has 187 places, 7318 transitions, 142046 flow. Second operand 8 states and 269 transitions. [2021-03-26 07:59:55,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 9115 transitions, 191802 flow Received shutdown request... [2021-03-26 08:00:18,908 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-26 08:00:18,908 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 08:00:18,911 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 08:00:18,911 INFO L202 PluginConnector]: Adding new model counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 08:00:18 BasicIcfg [2021-03-26 08:00:18,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 08:00:18,912 INFO L168 Benchmark]: Toolchain (without parser) took 784444.77 ms. Allocated memory was 255.9 MB in the beginning and 15.7 GB in the end (delta: 15.5 GB). Free memory was 236.4 MB in the beginning and 9.1 GB in the end (delta: -8.9 GB). Peak memory consumption was 7.3 GB. Max. memory is 16.0 GB. [2021-03-26 08:00:18,912 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.53 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.4 MB in the end (delta: 181.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 08:00:18,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.34 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 234.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 08:00:18,912 INFO L168 Benchmark]: Boogie Preprocessor took 24.17 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 233.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 08:00:18,912 INFO L168 Benchmark]: RCFGBuilder took 322.59 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 235.4 MB in the end (delta: -1.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.0 GB. [2021-03-26 08:00:18,912 INFO L168 Benchmark]: TraceAbstraction took 784059.78 ms. Allocated memory was 255.9 MB in the beginning and 15.7 GB in the end (delta: 15.5 GB). Free memory was 235.2 MB in the beginning and 9.1 GB in the end (delta: -8.9 GB). Peak memory consumption was 7.3 GB. Max. memory is 16.0 GB. [2021-03-26 08:00:18,913 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 0.53 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.4 MB in the end (delta: 181.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.34 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 234.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 24.17 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 233.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 322.59 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 235.4 MB in the end (delta: -1.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 784059.78 ms. Allocated memory was 255.9 MB in the beginning and 15.7 GB in the end (delta: 15.5 GB). Free memory was 235.2 MB in the beginning and 9.1 GB in the end (delta: -8.9 GB). Peak memory consumption was 7.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 336.5ms, 38 PlacesBefore, 27 PlacesAfterwards, 29 TransitionsBefore, 18 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 8 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 120 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 120, positive: 120, positive conditional: 120, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 120, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 120, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 120, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 120, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 120, unknown conditional: 120, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.5ms, 22 PlacesBefore, 22 PlacesAfterwards, 20 TransitionsBefore, 20 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: 23.9ms, 27 PlacesBefore, 27 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 158 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.2ms, 32 PlacesBefore, 32 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.3ms, 35 PlacesBefore, 35 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.9ms, 38 PlacesBefore, 37 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 194 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.7ms, 40 PlacesBefore, 40 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 188 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.5ms, 41 PlacesBefore, 41 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 170 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.4ms, 44 PlacesBefore, 43 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 164 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 59.8ms, 45 PlacesBefore, 45 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 438 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 218.2ms, 64 PlacesBefore, 63 PlacesAfterwards, 172 TransitionsBefore, 172 TransitionsAfterwards, 1190 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1399.4ms, 92 PlacesBefore, 92 PlacesAfterwards, 587 TransitionsBefore, 587 TransitionsAfterwards, 2492 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3517.4ms, 102 PlacesBefore, 102 PlacesAfterwards, 996 TransitionsBefore, 996 TransitionsAfterwards, 3916 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37816.8ms, 141 PlacesBefore, 141 PlacesAfterwards, 2896 TransitionsBefore, 2896 TransitionsAfterwards, 19018 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 124881.8ms, 187 PlacesBefore, 187 PlacesAfterwards, 7318 TransitionsBefore, 7318 TransitionsAfterwards, 24226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, 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: 80]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 80). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 783943.6ms, OverallIterations: 15, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 610955.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 414.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 32 SDtfs, 305 SDslu, 41 SDs, 0 SdLazy, 888 SolverSat, 277 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 684.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 309 GetRequests, 160 SyntacticMatches, 4 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 1533.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=142046occurred in iteration=14, InterpolantAutomatonStates: 129, 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: 75.5ms SsaConstructionTime, 218.9ms SatisfiabilityAnalysisTime, 1670.4ms InterpolantComputationTime, 434 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 409 ConstructedInterpolants, 0 QuantifiedInterpolants, 1822 SizeOfPredicates, 15 NumberOfNonLiveVariables, 835 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 25 InterpolantComputations, 6 PerfectInterpolantSequences, 56/96 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