/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/mult-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 05:58:03,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 05:58:03,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 05:58:03,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 05:58:03,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 05:58:03,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 05:58:03,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 05:58:03,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 05:58:03,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 05:58:03,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 05:58:03,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 05:58:03,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 05:58:03,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 05:58:03,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 05:58:03,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 05:58:03,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 05:58:03,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 05:58:03,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 05:58:03,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 05:58:03,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 05:58:03,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 05:58:03,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 05:58:03,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 05:58:03,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 05:58:03,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 05:58:03,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 05:58:03,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 05:58:03,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 05:58:03,115 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-03-26 05:58:03,140 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 05:58:03,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 05:58:03,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 05:58:03,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 05:58:03,142 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 05:58:03,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 05:58:03,143 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 05:58:03,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 05:58:03,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 05:58:03,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 05:58:03,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 05:58:03,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 05:58:03,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 05:58:03,144 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 05:58:03,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 05:58:03,144 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 05:58:03,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 05:58:03,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 05:58:03,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 05:58:03,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 05:58:03,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 05:58:03,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 05:58:03,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 05:58:03,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 05:58:03,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 05:58:03,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 05:58:03,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 05:58:03,147 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 05:58:03,147 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 05:58:03,147 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 05:58:03,147 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 05:58:03,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 05:58:03,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 05:58:03,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 05:58:03,450 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 05:58:03,451 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 05:58:03,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl [2021-03-26 05:58:03,462 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl' [2021-03-26 05:58:03,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 05:58:03,484 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 05:58:03,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 05:58:03,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 05:58:03,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 05:58:03,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:58:03" (1/1) ... [2021-03-26 05:58:03,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:58:03" (1/1) ... [2021-03-26 05:58:03,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 05:58:03,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 05:58:03,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 05:58:03,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 05:58:03,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:58:03" (1/1) ... [2021-03-26 05:58:03,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:58:03" (1/1) ... [2021-03-26 05:58:03,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:58:03" (1/1) ... [2021-03-26 05:58:03,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:58:03" (1/1) ... [2021-03-26 05:58:03,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:58:03" (1/1) ... [2021-03-26 05:58:03,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:58:03" (1/1) ... [2021-03-26 05:58:03,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:58:03" (1/1) ... [2021-03-26 05:58:03,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 05:58:03,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 05:58:03,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 05:58:03,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 05:58:03,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:58:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 05:58:03,612 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-26 05:58:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-26 05:58:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-26 05:58:03,614 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-26 05:58:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-26 05:58:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-26 05:58:03,614 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 05:58:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 05:58:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 05:58:03,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-26 05:58:03,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-26 05:58:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-26 05:58:03,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-26 05:58:03,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-26 05:58:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-26 05:58:03,616 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 05:58:03,891 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 05:58:03,892 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 05:58:03,893 INFO L202 PluginConnector]: Adding new model mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 05:58:03 BoogieIcfgContainer [2021-03-26 05:58:03,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 05:58:03,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 05:58:03,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 05:58:03,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 05:58:03,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:58:03" (1/2) ... [2021-03-26 05:58:03,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dfdb958 and model type mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 05:58:03, skipping insertion in model container [2021-03-26 05:58:03,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 05:58:03" (2/2) ... [2021-03-26 05:58:03,899 INFO L111 eAbstractionObserver]: Analyzing ICFG mult-4.wvr.bpl [2021-03-26 05:58:03,904 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 05:58:03,907 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 05:58:03,907 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 05:58:03,942 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-26 05:58:03,957 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 05:58:03,991 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 05:58:03,991 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 05:58:03,991 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 05:58:03,991 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 05:58:03,992 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 05:58:03,992 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 05:58:03,992 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 05:58:03,992 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 05:58:04,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 36 transitions, 104 flow [2021-03-26 05:58:04,025 INFO L129 PetriNetUnfolder]: 4/32 cut-off events. [2021-03-26 05:58:04,025 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 05:58:04,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 32 events. 4/32 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 43 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2021-03-26 05:58:04,029 INFO L82 GeneralOperation]: Start removeDead. Operand has 45 places, 36 transitions, 104 flow [2021-03-26 05:58:04,033 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 30 transitions, 84 flow [2021-03-26 05:58:04,034 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:58:04,046 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 30 transitions, 84 flow [2021-03-26 05:58:04,048 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 30 transitions, 84 flow [2021-03-26 05:58:04,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 30 transitions, 84 flow [2021-03-26 05:58:04,062 INFO L129 PetriNetUnfolder]: 4/30 cut-off events. [2021-03-26 05:58:04,062 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 05:58:04,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 30 events. 4/30 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 46 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 05:58:04,065 INFO L142 LiptonReduction]: Number of co-enabled transitions 288 [2021-03-26 05:58:04,381 INFO L154 LiptonReduction]: Checked pairs total: 120 [2021-03-26 05:58:04,381 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-26 05:58:04,388 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 355 [2021-03-26 05:58:04,409 INFO L129 PetriNetUnfolder]: 4/18 cut-off events. [2021-03-26 05:58:04,409 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 05:58:04,409 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:58:04,410 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:58:04,410 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 05:58:04,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:58:04,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1200078189, now seen corresponding path program 1 times [2021-03-26 05:58:04,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:58:04,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675245799] [2021-03-26 05:58:04,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:58:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:04,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:04,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:04,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:58:04,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675245799] [2021-03-26 05:58:04,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:58:04,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 05:58:04,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144136639] [2021-03-26 05:58:04,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 05:58:04,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:58:04,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 05:58:04,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 05:58:04,552 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 47 [2021-03-26 05:58:04,554 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 19 transitions, 62 flow. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:04,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:58:04,554 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 47 [2021-03-26 05:58:04,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:58:04,579 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] L58-1-->L58-1: Formula: (and (< 0 v_counter_38) (= v_counter_37 (+ (* v_C_18 (- 1)) v_counter_38)) (< v_j2_11 v_M2_4) (= (+ v_j2_11 1) v_j2_10)) InVars {counter=v_counter_38, j2=v_j2_11, M2=v_M2_4, C=v_C_18} OutVars{counter=v_counter_37, j2=v_j2_10, M2=v_M2_4, C=v_C_18} AuxVars[] AssignedVars[counter, j2][15], [thread4Thread1of1ForFork3InUse, 49#true, 17#L24-1true, 18#L76true, 20#L58-1true, 4#L35-1true, 38#L47-1true, thread2Thread1of1ForFork1InUse, thread1Thread1of1ForFork0InUse, thread3Thread1of1ForFork2InUse]) [2021-03-26 05:58:04,579 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 05:58:04,579 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 05:58:04,579 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 05:58:04,580 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 05:58:04,585 INFO L129 PetriNetUnfolder]: 17/44 cut-off events. [2021-03-26 05:58:04,585 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-03-26 05:58:04,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 44 events. 17/44 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 71 event pairs, 0 based on Foata normal form. 3/42 useless extension candidates. Maximal degree in co-relation 60. Up to 20 conditions per place. [2021-03-26 05:58:04,587 INFO L132 encePairwiseOnDemand]: 41/47 looper letters, 5 selfloop transitions, 3 changer transitions 0/21 dead transitions. [2021-03-26 05:58:04,587 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 21 transitions, 82 flow [2021-03-26 05:58:04,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 05:58:04,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 05:58:04,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 110 transitions. [2021-03-26 05:58:04,597 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7801418439716312 [2021-03-26 05:58:04,597 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 110 transitions. [2021-03-26 05:58:04,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 110 transitions. [2021-03-26 05:58:04,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:58:04,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 110 transitions. [2021-03-26 05:58:04,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:04,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:04,606 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:04,607 INFO L185 Difference]: Start difference. First operand has 28 places, 19 transitions, 62 flow. Second operand 3 states and 110 transitions. [2021-03-26 05:58:04,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 21 transitions, 82 flow [2021-03-26 05:58:04,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 21 transitions, 66 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-26 05:58:04,612 INFO L241 Difference]: Finished difference. Result has 23 places, 21 transitions, 69 flow [2021-03-26 05:58:04,614 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=69, PETRI_PLACES=23, PETRI_TRANSITIONS=21} [2021-03-26 05:58:04,614 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, -5 predicate places. [2021-03-26 05:58:04,614 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:58:04,615 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 21 transitions, 69 flow [2021-03-26 05:58:04,615 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 21 transitions, 69 flow [2021-03-26 05:58:04,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 23 places, 21 transitions, 69 flow [2021-03-26 05:58:04,620 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] L58-1-->L58-1: Formula: (and (< 0 v_counter_38) (= v_counter_37 (+ (* v_C_18 (- 1)) v_counter_38)) (< v_j2_11 v_M2_4) (= (+ v_j2_11 1) v_j2_10)) InVars {counter=v_counter_38, j2=v_j2_11, M2=v_M2_4, C=v_C_18} OutVars{counter=v_counter_37, j2=v_j2_10, M2=v_M2_4, C=v_C_18} AuxVars[] AssignedVars[counter, j2][13], [17#L24-1true, 49#true, 18#L76true, 20#L58-1true, 4#L35-1true, Black: 51#(= counter 0), 38#L47-1true]) [2021-03-26 05:58:04,621 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 05:58:04,621 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 05:58:04,621 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 05:58:04,621 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 05:58:04,624 INFO L129 PetriNetUnfolder]: 17/44 cut-off events. [2021-03-26 05:58:04,624 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 05:58:04,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 44 events. 17/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 71 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 46. Up to 20 conditions per place. [2021-03-26 05:58:04,625 INFO L142 LiptonReduction]: Number of co-enabled transitions 108 [2021-03-26 05:58:04,687 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:58:04,687 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:58:04,687 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-03-26 05:58:04,688 INFO L480 AbstractCegarLoop]: Abstraction has has 22 places, 20 transitions, 67 flow [2021-03-26 05:58:04,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:04,689 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:58:04,689 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:58:04,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 05:58:04,689 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 05:58:04,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:58:04,690 INFO L82 PathProgramCache]: Analyzing trace with hash 2125940079, now seen corresponding path program 1 times [2021-03-26 05:58:04,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:58:04,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731704782] [2021-03-26 05:58:04,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:58:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:04,725 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 05:58:04,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:04,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:04,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:04,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:04,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:04,738 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 05:58:04,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731704782] [2021-03-26 05:58:04,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:58:04,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 05:58:04,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053525514] [2021-03-26 05:58:04,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 05:58:04,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:58:04,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 05:58:04,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 05:58:04,741 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-26 05:58:04,742 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 20 transitions, 67 flow. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:04,742 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:58:04,742 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-26 05:58:04,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:58:04,781 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] L58-1-->L58-1: Formula: (and (< 0 v_counter_38) (= v_counter_37 (+ (* v_C_18 (- 1)) v_counter_38)) (< v_j2_11 v_M2_4) (= (+ v_j2_11 1) v_j2_10)) InVars {counter=v_counter_38, j2=v_j2_11, M2=v_M2_4, C=v_C_18} OutVars{counter=v_counter_37, j2=v_j2_10, M2=v_M2_4, C=v_C_18} AuxVars[] AssignedVars[counter, j2][17], [49#true, 18#L76true, 20#L58-1true, 4#L35-1true, Black: 51#(= counter 0), 38#L47-1true, 59#(and (<= N1 i1) (<= j2 i1) (= M2 N1)), 14#thread1EXITtrue]) [2021-03-26 05:58:04,781 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 05:58:04,781 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 05:58:04,781 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 05:58:04,781 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 05:58:04,789 INFO L129 PetriNetUnfolder]: 27/67 cut-off events. [2021-03-26 05:58:04,789 INFO L130 PetriNetUnfolder]: For 15/21 co-relation queries the response was YES. [2021-03-26 05:58:04,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 67 events. 27/67 cut-off events. For 15/21 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 154 event pairs, 0 based on Foata normal form. 5/65 useless extension candidates. Maximal degree in co-relation 99. Up to 29 conditions per place. [2021-03-26 05:58:04,790 INFO L132 encePairwiseOnDemand]: 43/48 looper letters, 10 selfloop transitions, 5 changer transitions 0/29 dead transitions. [2021-03-26 05:58:04,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 29 transitions, 123 flow [2021-03-26 05:58:04,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 05:58:04,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 05:58:04,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 175 transitions. [2021-03-26 05:58:04,793 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7291666666666666 [2021-03-26 05:58:04,793 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 175 transitions. [2021-03-26 05:58:04,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 175 transitions. [2021-03-26 05:58:04,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:58:04,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 175 transitions. [2021-03-26 05:58:04,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:04,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:04,796 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:04,796 INFO L185 Difference]: Start difference. First operand has 22 places, 20 transitions, 67 flow. Second operand 5 states and 175 transitions. [2021-03-26 05:58:04,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 29 transitions, 123 flow [2021-03-26 05:58:04,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 29 transitions, 120 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 05:58:04,798 INFO L241 Difference]: Finished difference. Result has 27 places, 24 transitions, 100 flow [2021-03-26 05:58:04,798 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=100, PETRI_PLACES=27, PETRI_TRANSITIONS=24} [2021-03-26 05:58:04,799 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, -1 predicate places. [2021-03-26 05:58:04,799 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:58:04,799 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 24 transitions, 100 flow [2021-03-26 05:58:04,800 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 24 transitions, 100 flow [2021-03-26 05:58:04,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 24 transitions, 100 flow [2021-03-26 05:58:04,805 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] L58-1-->L58-1: Formula: (and (< 0 v_counter_38) (= v_counter_37 (+ (* v_C_18 (- 1)) v_counter_38)) (< v_j2_11 v_M2_4) (= (+ v_j2_11 1) v_j2_10)) InVars {counter=v_counter_38, j2=v_j2_11, M2=v_M2_4, C=v_C_18} OutVars{counter=v_counter_37, j2=v_j2_10, M2=v_M2_4, C=v_C_18} AuxVars[] AssignedVars[counter, j2][6], [18#L76true, 4#L35-1true, 20#L58-1true, Black: 51#(= counter 0), 38#L47-1true, 59#(and (<= N1 i1) (<= j2 i1) (= M2 N1)), Black: 56#(and (<= j2 i1) (= M2 N1)), 14#thread1EXITtrue]) [2021-03-26 05:58:04,805 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 05:58:04,805 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 05:58:04,805 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 05:58:04,805 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 05:58:04,808 INFO L129 PetriNetUnfolder]: 24/60 cut-off events. [2021-03-26 05:58:04,808 INFO L130 PetriNetUnfolder]: For 13/14 co-relation queries the response was YES. [2021-03-26 05:58:04,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 60 events. 24/60 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 135 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 94. Up to 27 conditions per place. [2021-03-26 05:58:04,809 INFO L142 LiptonReduction]: Number of co-enabled transitions 138 [2021-03-26 05:58:04,811 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:58:04,811 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:58:04,811 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-26 05:58:04,812 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 24 transitions, 100 flow [2021-03-26 05:58:04,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:04,813 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:58:04,813 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:58:04,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 05:58:04,813 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 05:58:04,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:58:04,814 INFO L82 PathProgramCache]: Analyzing trace with hash 2056143612, now seen corresponding path program 1 times [2021-03-26 05:58:04,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:58:04,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616722102] [2021-03-26 05:58:04,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:58:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:04,837 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 05:58:04,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:04,843 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 05:58:04,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:04,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:04,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:04,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:04,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:04,856 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 05:58:04,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616722102] [2021-03-26 05:58:04,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373411822] [2021-03-26 05:58:04,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 05:58:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:04,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-26 05:58:04,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 05:58:04,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:04,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:04,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:04,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:04,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:04,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:04,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:04,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:04,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:04,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:04,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:04,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:04,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:04,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:04,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:04,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:04,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:04,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:04,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:04,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:05,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:05,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:05,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:05,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:58:05,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:05,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:05,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,058 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 05:58:05,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,081 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 05:58:05,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 05:58:05,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-03-26 05:58:05,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225255198] [2021-03-26 05:58:05,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 05:58:05,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:58:05,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 05:58:05,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 05:58:05,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-26 05:58:05,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 24 transitions, 100 flow. Second operand has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:58:05,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-26 05:58:05,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:58:05,142 INFO L129 PetriNetUnfolder]: 29/73 cut-off events. [2021-03-26 05:58:05,143 INFO L130 PetriNetUnfolder]: For 56/87 co-relation queries the response was YES. [2021-03-26 05:58:05,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 73 events. 29/73 cut-off events. For 56/87 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 180 event pairs, 1 based on Foata normal form. 4/71 useless extension candidates. Maximal degree in co-relation 140. Up to 35 conditions per place. [2021-03-26 05:58:05,145 INFO L132 encePairwiseOnDemand]: 44/48 looper letters, 10 selfloop transitions, 7 changer transitions 0/31 dead transitions. [2021-03-26 05:58:05,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 31 transitions, 175 flow [2021-03-26 05:58:05,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 05:58:05,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 05:58:05,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 141 transitions. [2021-03-26 05:58:05,149 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.734375 [2021-03-26 05:58:05,149 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 141 transitions. [2021-03-26 05:58:05,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 141 transitions. [2021-03-26 05:58:05,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:58:05,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 141 transitions. [2021-03-26 05:58:05,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,153 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,153 INFO L185 Difference]: Start difference. First operand has 27 places, 24 transitions, 100 flow. Second operand 4 states and 141 transitions. [2021-03-26 05:58:05,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 31 transitions, 175 flow [2021-03-26 05:58:05,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 31 transitions, 175 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 05:58:05,157 INFO L241 Difference]: Finished difference. Result has 32 places, 28 transitions, 156 flow [2021-03-26 05:58:05,157 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=156, PETRI_PLACES=32, PETRI_TRANSITIONS=28} [2021-03-26 05:58:05,157 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 4 predicate places. [2021-03-26 05:58:05,157 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:58:05,157 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 28 transitions, 156 flow [2021-03-26 05:58:05,158 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 28 transitions, 156 flow [2021-03-26 05:58:05,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 28 transitions, 156 flow [2021-03-26 05:58:05,174 INFO L129 PetriNetUnfolder]: 26/66 cut-off events. [2021-03-26 05:58:05,174 INFO L130 PetriNetUnfolder]: For 49/55 co-relation queries the response was YES. [2021-03-26 05:58:05,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 66 events. 26/66 cut-off events. For 49/55 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 162 event pairs, 0 based on Foata normal form. 2/65 useless extension candidates. Maximal degree in co-relation 134. Up to 33 conditions per place. [2021-03-26 05:58:05,177 INFO L142 LiptonReduction]: Number of co-enabled transitions 168 [2021-03-26 05:58:05,180 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:58:05,180 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:58:05,180 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-03-26 05:58:05,182 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 28 transitions, 156 flow [2021-03-26 05:58:05,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,183 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:58:05,183 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:58:05,404 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-03-26 05:58:05,404 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 05:58:05,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:58:05,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1679353396, now seen corresponding path program 1 times [2021-03-26 05:58:05,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:58:05,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122841589] [2021-03-26 05:58:05,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:58:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:05,446 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 05:58:05,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,455 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 05:58:05,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:05,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,464 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 05:58:05,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122841589] [2021-03-26 05:58:05,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:58:05,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 05:58:05,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115442963] [2021-03-26 05:58:05,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 05:58:05,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:58:05,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 05:58:05,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 05:58:05,468 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-26 05:58:05,468 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 28 transitions, 156 flow. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,468 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:58:05,468 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-26 05:58:05,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:58:05,496 INFO L129 PetriNetUnfolder]: 56/116 cut-off events. [2021-03-26 05:58:05,496 INFO L130 PetriNetUnfolder]: For 160/180 co-relation queries the response was YES. [2021-03-26 05:58:05,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 116 events. 56/116 cut-off events. For 160/180 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 347 event pairs, 4 based on Foata normal form. 9/108 useless extension candidates. Maximal degree in co-relation 299. Up to 61 conditions per place. [2021-03-26 05:58:05,498 INFO L132 encePairwiseOnDemand]: 44/48 looper letters, 10 selfloop transitions, 5 changer transitions 0/33 dead transitions. [2021-03-26 05:58:05,498 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 33 transitions, 208 flow [2021-03-26 05:58:05,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 05:58:05,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 05:58:05,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 141 transitions. [2021-03-26 05:58:05,499 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.734375 [2021-03-26 05:58:05,499 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 141 transitions. [2021-03-26 05:58:05,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 141 transitions. [2021-03-26 05:58:05,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:58:05,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 141 transitions. [2021-03-26 05:58:05,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,501 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,501 INFO L185 Difference]: Start difference. First operand has 32 places, 28 transitions, 156 flow. Second operand 4 states and 141 transitions. [2021-03-26 05:58:05,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 33 transitions, 208 flow [2021-03-26 05:58:05,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 33 transitions, 208 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 05:58:05,503 INFO L241 Difference]: Finished difference. Result has 36 places, 29 transitions, 185 flow [2021-03-26 05:58:05,503 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=32, 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=185, PETRI_PLACES=36, PETRI_TRANSITIONS=29} [2021-03-26 05:58:05,503 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 8 predicate places. [2021-03-26 05:58:05,503 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:58:05,504 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 29 transitions, 185 flow [2021-03-26 05:58:05,504 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 29 transitions, 185 flow [2021-03-26 05:58:05,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 185 flow [2021-03-26 05:58:05,511 INFO L129 PetriNetUnfolder]: 33/81 cut-off events. [2021-03-26 05:58:05,511 INFO L130 PetriNetUnfolder]: For 73/80 co-relation queries the response was YES. [2021-03-26 05:58:05,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 81 events. 33/81 cut-off events. For 73/80 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 221 event pairs, 0 based on Foata normal form. 2/78 useless extension candidates. Maximal degree in co-relation 183. Up to 44 conditions per place. [2021-03-26 05:58:05,512 INFO L142 LiptonReduction]: Number of co-enabled transitions 166 [2021-03-26 05:58:05,514 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:58:05,514 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:58:05,514 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-26 05:58:05,514 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 29 transitions, 185 flow [2021-03-26 05:58:05,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,515 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:58:05,515 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:58:05,515 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 05:58:05,515 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 05:58:05,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:58:05,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1598815192, now seen corresponding path program 2 times [2021-03-26 05:58:05,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:58:05,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108878583] [2021-03-26 05:58:05,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:58:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:05,532 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 05:58:05,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:05,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,542 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 05:58:05,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108878583] [2021-03-26 05:58:05,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:58:05,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 05:58:05,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407395572] [2021-03-26 05:58:05,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 05:58:05,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:58:05,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 05:58:05,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 05:58:05,543 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-26 05:58:05,544 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 29 transitions, 185 flow. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,544 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:58:05,544 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-26 05:58:05,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:58:05,575 INFO L129 PetriNetUnfolder]: 46/94 cut-off events. [2021-03-26 05:58:05,575 INFO L130 PetriNetUnfolder]: For 215/245 co-relation queries the response was YES. [2021-03-26 05:58:05,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 94 events. 46/94 cut-off events. For 215/245 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 242 event pairs, 1 based on Foata normal form. 11/97 useless extension candidates. Maximal degree in co-relation 272. Up to 47 conditions per place. [2021-03-26 05:58:05,576 INFO L132 encePairwiseOnDemand]: 43/48 looper letters, 11 selfloop transitions, 4 changer transitions 6/38 dead transitions. [2021-03-26 05:58:05,576 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 38 transitions, 292 flow [2021-03-26 05:58:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 05:58:05,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 05:58:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 175 transitions. [2021-03-26 05:58:05,577 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7291666666666666 [2021-03-26 05:58:05,578 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 175 transitions. [2021-03-26 05:58:05,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 175 transitions. [2021-03-26 05:58:05,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:58:05,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 175 transitions. [2021-03-26 05:58:05,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,579 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,579 INFO L185 Difference]: Start difference. First operand has 36 places, 29 transitions, 185 flow. Second operand 5 states and 175 transitions. [2021-03-26 05:58:05,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 38 transitions, 292 flow [2021-03-26 05:58:05,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 38 transitions, 275 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-26 05:58:05,582 INFO L241 Difference]: Finished difference. Result has 39 places, 27 transitions, 172 flow [2021-03-26 05:58:05,583 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=172, PETRI_PLACES=39, PETRI_TRANSITIONS=27} [2021-03-26 05:58:05,583 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 11 predicate places. [2021-03-26 05:58:05,583 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:58:05,583 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 27 transitions, 172 flow [2021-03-26 05:58:05,583 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 27 transitions, 172 flow [2021-03-26 05:58:05,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 27 transitions, 172 flow [2021-03-26 05:58:05,589 INFO L129 PetriNetUnfolder]: 27/60 cut-off events. [2021-03-26 05:58:05,589 INFO L130 PetriNetUnfolder]: For 59/63 co-relation queries the response was YES. [2021-03-26 05:58:05,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 60 events. 27/60 cut-off events. For 59/63 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 127 event pairs, 0 based on Foata normal form. 2/61 useless extension candidates. Maximal degree in co-relation 152. Up to 35 conditions per place. [2021-03-26 05:58:05,590 INFO L142 LiptonReduction]: Number of co-enabled transitions 144 [2021-03-26 05:58:05,592 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:58:05,592 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:58:05,592 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-26 05:58:05,592 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 172 flow [2021-03-26 05:58:05,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,593 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:58:05,593 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 05:58:05,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 05:58:05,593 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 05:58:05,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:58:05,593 INFO L82 PathProgramCache]: Analyzing trace with hash -714313040, now seen corresponding path program 1 times [2021-03-26 05:58:05,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:58:05,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881233141] [2021-03-26 05:58:05,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:58:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:05,612 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 05:58:05,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,618 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 05:58:05,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:05,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,632 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 05:58:05,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881233141] [2021-03-26 05:58:05,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976692721] [2021-03-26 05:58:05,632 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 05:58:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:05,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-26 05:58:05,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 05:58:05,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:05,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:05,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:05,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:05,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:05,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:05,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:58:05,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:05,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:05,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:05,781 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 05:58:05,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:05,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:05,802 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 05:58:05,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 05:58:05,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-03-26 05:58:05,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432699789] [2021-03-26 05:58:05,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 05:58:05,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:58:05,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 05:58:05,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 05:58:05,804 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-26 05:58:05,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 172 flow. Second operand has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:58:05,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-26 05:58:05,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:58:05,855 INFO L129 PetriNetUnfolder]: 45/86 cut-off events. [2021-03-26 05:58:05,855 INFO L130 PetriNetUnfolder]: For 175/190 co-relation queries the response was YES. [2021-03-26 05:58:05,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 86 events. 45/86 cut-off events. For 175/190 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 196 event pairs, 2 based on Foata normal form. 6/86 useless extension candidates. Maximal degree in co-relation 268. Up to 54 conditions per place. [2021-03-26 05:58:05,857 INFO L132 encePairwiseOnDemand]: 44/48 looper letters, 10 selfloop transitions, 4 changer transitions 0/31 dead transitions. [2021-03-26 05:58:05,857 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 31 transitions, 230 flow [2021-03-26 05:58:05,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 05:58:05,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 05:58:05,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 139 transitions. [2021-03-26 05:58:05,858 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7239583333333334 [2021-03-26 05:58:05,858 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 139 transitions. [2021-03-26 05:58:05,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 139 transitions. [2021-03-26 05:58:05,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:58:05,858 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 139 transitions. [2021-03-26 05:58:05,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,860 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,860 INFO L185 Difference]: Start difference. First operand has 38 places, 27 transitions, 172 flow. Second operand 4 states and 139 transitions. [2021-03-26 05:58:05,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 31 transitions, 230 flow [2021-03-26 05:58:05,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 31 transitions, 225 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-26 05:58:05,864 INFO L241 Difference]: Finished difference. Result has 41 places, 28 transitions, 185 flow [2021-03-26 05:58:05,864 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=185, PETRI_PLACES=41, PETRI_TRANSITIONS=28} [2021-03-26 05:58:05,864 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 13 predicate places. [2021-03-26 05:58:05,864 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:58:05,864 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 28 transitions, 185 flow [2021-03-26 05:58:05,864 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 28 transitions, 185 flow [2021-03-26 05:58:05,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 28 transitions, 185 flow [2021-03-26 05:58:05,871 INFO L129 PetriNetUnfolder]: 31/68 cut-off events. [2021-03-26 05:58:05,871 INFO L130 PetriNetUnfolder]: For 92/104 co-relation queries the response was YES. [2021-03-26 05:58:05,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 68 events. 31/68 cut-off events. For 92/104 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 146 event pairs, 2 based on Foata normal form. 4/69 useless extension candidates. Maximal degree in co-relation 191. Up to 40 conditions per place. [2021-03-26 05:58:05,872 INFO L142 LiptonReduction]: Number of co-enabled transitions 158 [2021-03-26 05:58:05,874 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:58:05,874 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:58:05,874 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-26 05:58:05,875 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 28 transitions, 185 flow [2021-03-26 05:58:05,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:05,876 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:58:05,876 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 05:58:06,091 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 05:58:06,092 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 05:58:06,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:58:06,093 INFO L82 PathProgramCache]: Analyzing trace with hash 466471632, now seen corresponding path program 1 times [2021-03-26 05:58:06,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:58:06,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435745700] [2021-03-26 05:58:06,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:58:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:06,113 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 05:58:06,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,118 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 05:58:06,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:06,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 05:58:06,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435745700] [2021-03-26 05:58:06,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222580408] [2021-03-26 05:58:06,130 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 05:58:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:06,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-26 05:58:06,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 05:58:06,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:06,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:06,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:06,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:06,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:06,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:58:06,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:06,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:06,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:06,229 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 05:58:06,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 05:58:06,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 05:58:06,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-03-26 05:58:06,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214339529] [2021-03-26 05:58:06,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 05:58:06,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:58:06,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 05:58:06,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 05:58:06,245 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-26 05:58:06,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 28 transitions, 185 flow. Second operand has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:06,246 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:58:06,246 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-26 05:58:06,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:58:06,306 INFO L129 PetriNetUnfolder]: 92/188 cut-off events. [2021-03-26 05:58:06,306 INFO L130 PetriNetUnfolder]: For 408/444 co-relation queries the response was YES. [2021-03-26 05:58:06,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 684 conditions, 188 events. 92/188 cut-off events. For 408/444 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 703 event pairs, 14 based on Foata normal form. 8/189 useless extension candidates. Maximal degree in co-relation 625. Up to 114 conditions per place. [2021-03-26 05:58:06,308 INFO L132 encePairwiseOnDemand]: 44/48 looper letters, 11 selfloop transitions, 6 changer transitions 0/36 dead transitions. [2021-03-26 05:58:06,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 36 transitions, 273 flow [2021-03-26 05:58:06,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 05:58:06,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 05:58:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 140 transitions. [2021-03-26 05:58:06,310 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7291666666666666 [2021-03-26 05:58:06,310 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 140 transitions. [2021-03-26 05:58:06,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 140 transitions. [2021-03-26 05:58:06,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:58:06,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 140 transitions. [2021-03-26 05:58:06,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 35.0) internal successors, (140), 4 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 05:58:06,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:06,311 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:06,311 INFO L185 Difference]: Start difference. First operand has 41 places, 28 transitions, 185 flow. Second operand 4 states and 140 transitions. [2021-03-26 05:58:06,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 36 transitions, 273 flow [2021-03-26 05:58:06,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 36 transitions, 267 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 05:58:06,314 INFO L241 Difference]: Finished difference. Result has 44 places, 32 transitions, 234 flow [2021-03-26 05:58:06,314 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=234, PETRI_PLACES=44, PETRI_TRANSITIONS=32} [2021-03-26 05:58:06,314 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 16 predicate places. [2021-03-26 05:58:06,314 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:58:06,315 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 32 transitions, 234 flow [2021-03-26 05:58:06,315 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 32 transitions, 234 flow [2021-03-26 05:58:06,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 32 transitions, 234 flow [2021-03-26 05:58:06,345 INFO L129 PetriNetUnfolder]: 65/153 cut-off events. [2021-03-26 05:58:06,346 INFO L130 PetriNetUnfolder]: For 229/258 co-relation queries the response was YES. [2021-03-26 05:58:06,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 527 conditions, 153 events. 65/153 cut-off events. For 229/258 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 591 event pairs, 5 based on Foata normal form. 5/152 useless extension candidates. Maximal degree in co-relation 467. Up to 88 conditions per place. [2021-03-26 05:58:06,348 INFO L142 LiptonReduction]: Number of co-enabled transitions 186 [2021-03-26 05:58:06,351 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:58:06,351 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:58:06,351 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 05:58:06,352 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 32 transitions, 234 flow [2021-03-26 05:58:06,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:06,352 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:58:06,352 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 05:58:06,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 05:58:06,575 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 05:58:06,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:58:06,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1051398322, now seen corresponding path program 2 times [2021-03-26 05:58:06,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:58:06,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909301308] [2021-03-26 05:58:06,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:58:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:06,605 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 05:58:06,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:06,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:06,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 05:58:06,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909301308] [2021-03-26 05:58:06,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 05:58:06,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 05:58:06,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593827440] [2021-03-26 05:58:06,614 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 05:58:06,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:58:06,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 05:58:06,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 05:58:06,615 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-26 05:58:06,615 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 32 transitions, 234 flow. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:06,615 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:58:06,615 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-26 05:58:06,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:58:06,652 INFO L129 PetriNetUnfolder]: 77/148 cut-off events. [2021-03-26 05:58:06,652 INFO L130 PetriNetUnfolder]: For 432/463 co-relation queries the response was YES. [2021-03-26 05:58:06,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 594 conditions, 148 events. 77/148 cut-off events. For 432/463 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 485 event pairs, 9 based on Foata normal form. 14/158 useless extension candidates. Maximal degree in co-relation 545. Up to 93 conditions per place. [2021-03-26 05:58:06,653 INFO L132 encePairwiseOnDemand]: 43/48 looper letters, 9 selfloop transitions, 8 changer transitions 0/36 dead transitions. [2021-03-26 05:58:06,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 36 transitions, 289 flow [2021-03-26 05:58:06,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 05:58:06,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 05:58:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 171 transitions. [2021-03-26 05:58:06,655 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7125 [2021-03-26 05:58:06,655 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 171 transitions. [2021-03-26 05:58:06,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 171 transitions. [2021-03-26 05:58:06,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:58:06,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 171 transitions. [2021-03-26 05:58:06,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:06,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:06,656 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:06,656 INFO L185 Difference]: Start difference. First operand has 44 places, 32 transitions, 234 flow. Second operand 5 states and 171 transitions. [2021-03-26 05:58:06,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 36 transitions, 289 flow [2021-03-26 05:58:06,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 36 transitions, 289 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 05:58:06,659 INFO L241 Difference]: Finished difference. Result has 49 places, 33 transitions, 262 flow [2021-03-26 05:58:06,659 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=262, PETRI_PLACES=49, PETRI_TRANSITIONS=33} [2021-03-26 05:58:06,659 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 21 predicate places. [2021-03-26 05:58:06,659 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:58:06,659 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 33 transitions, 262 flow [2021-03-26 05:58:06,660 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 33 transitions, 262 flow [2021-03-26 05:58:06,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 33 transitions, 262 flow [2021-03-26 05:58:06,669 INFO L129 PetriNetUnfolder]: 50/110 cut-off events. [2021-03-26 05:58:06,669 INFO L130 PetriNetUnfolder]: For 192/212 co-relation queries the response was YES. [2021-03-26 05:58:06,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 110 events. 50/110 cut-off events. For 192/212 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 349 event pairs, 5 based on Foata normal form. 6/113 useless extension candidates. Maximal degree in co-relation 363. Up to 67 conditions per place. [2021-03-26 05:58:06,670 INFO L142 LiptonReduction]: Number of co-enabled transitions 202 [2021-03-26 05:58:06,672 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:58:06,673 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:58:06,673 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-26 05:58:06,673 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 33 transitions, 262 flow [2021-03-26 05:58:06,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:06,673 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:58:06,674 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 05:58:06,674 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 05:58:06,674 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 05:58:06,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:58:06,674 INFO L82 PathProgramCache]: Analyzing trace with hash 85381016, now seen corresponding path program 1 times [2021-03-26 05:58:06,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:58:06,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176351861] [2021-03-26 05:58:06,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:58:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:06,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:58:06,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,737 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 05:58:06,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:06,740 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 05:58:06,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176351861] [2021-03-26 05:58:06,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200432966] [2021-03-26 05:58:06,741 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 05:58:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:06,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 05:58:06,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 05:58:06,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:06,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:06,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:06,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:06,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:58:06,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:58:06,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:58:06,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:58:06,820 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 05:58:06,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,832 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-26 05:58:06,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:06,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:06,864 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 05:58:06,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 05:58:06,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-03-26 05:58:06,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754497447] [2021-03-26 05:58:06,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 05:58:06,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:58:06,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 05:58:06,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 05:58:06,867 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-26 05:58:06,867 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 33 transitions, 262 flow. Second operand has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:06,867 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:58:06,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-26 05:58:06,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:58:06,943 INFO L129 PetriNetUnfolder]: 147/335 cut-off events. [2021-03-26 05:58:06,943 INFO L130 PetriNetUnfolder]: For 711/836 co-relation queries the response was YES. [2021-03-26 05:58:06,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1408 conditions, 335 events. 147/335 cut-off events. For 711/836 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1708 event pairs, 10 based on Foata normal form. 47/381 useless extension candidates. Maximal degree in co-relation 1311. Up to 206 conditions per place. [2021-03-26 05:58:06,947 INFO L132 encePairwiseOnDemand]: 42/48 looper letters, 17 selfloop transitions, 37 changer transitions 0/69 dead transitions. [2021-03-26 05:58:06,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 69 transitions, 705 flow [2021-03-26 05:58:06,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 05:58:06,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 05:58:06,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions. [2021-03-26 05:58:06,949 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7541666666666667 [2021-03-26 05:58:06,949 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 181 transitions. [2021-03-26 05:58:06,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 181 transitions. [2021-03-26 05:58:06,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:58:06,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 181 transitions. [2021-03-26 05:58:06,949 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 05:58:06,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:06,950 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:06,950 INFO L185 Difference]: Start difference. First operand has 49 places, 33 transitions, 262 flow. Second operand 5 states and 181 transitions. [2021-03-26 05:58:06,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 69 transitions, 705 flow [2021-03-26 05:58:06,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 69 transitions, 686 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-03-26 05:58:06,957 INFO L241 Difference]: Finished difference. Result has 52 places, 67 transitions, 694 flow [2021-03-26 05:58:06,958 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=694, PETRI_PLACES=52, PETRI_TRANSITIONS=67} [2021-03-26 05:58:06,958 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 24 predicate places. [2021-03-26 05:58:06,958 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:58:06,958 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 67 transitions, 694 flow [2021-03-26 05:58:06,958 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 67 transitions, 694 flow [2021-03-26 05:58:06,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 67 transitions, 694 flow [2021-03-26 05:58:06,985 INFO L129 PetriNetUnfolder]: 147/333 cut-off events. [2021-03-26 05:58:06,986 INFO L130 PetriNetUnfolder]: For 658/756 co-relation queries the response was YES. [2021-03-26 05:58:06,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1419 conditions, 333 events. 147/333 cut-off events. For 658/756 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1699 event pairs, 8 based on Foata normal form. 11/342 useless extension candidates. Maximal degree in co-relation 1323. Up to 206 conditions per place. [2021-03-26 05:58:06,990 INFO L142 LiptonReduction]: Number of co-enabled transitions 532 [2021-03-26 05:58:06,997 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:58:06,997 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:58:06,997 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-03-26 05:58:06,997 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 67 transitions, 694 flow [2021-03-26 05:58:06,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:06,998 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:58:06,998 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 05:58:07,219 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 05:58:07,220 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 05:58:07,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:58:07,220 INFO L82 PathProgramCache]: Analyzing trace with hash -471501770, now seen corresponding path program 2 times [2021-03-26 05:58:07,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:58:07,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766140198] [2021-03-26 05:58:07,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:58:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:07,261 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 05:58:07,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:58:07,267 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 05:58:07,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:07,274 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 05:58:07,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:07,283 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 05:58:07,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:07,291 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 05:58:07,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:07,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:07,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:58:07,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766140198] [2021-03-26 05:58:07,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043055157] [2021-03-26 05:58:07,301 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 05:58:07,340 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 05:58:07,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 05:58:07,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 05:58:07,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 05:58:07,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:07,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:07,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:07,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:07,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:07,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:07,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:07,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:07,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:07,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:07,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:07,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:07,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:07,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:07,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 05:58:07,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:07,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:07,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 05:58:07,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:07,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:07,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:07,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:07,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:07,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:07,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:07,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:07,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:07,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:07,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:07,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:07,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 05:58:07,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:07,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:07,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:07,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 05:58:07,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:58:07,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:07,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:07,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:07,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:07,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:07,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:07,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:07,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:58:07,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:07,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:07,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:58:07,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:07,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:07,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:07,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:07,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:07,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:07,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:07,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:07,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:07,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:07,444 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 05:58:07,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 05:58:07,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 05:58:07,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924919327] [2021-03-26 05:58:07,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:58:07,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:58:07,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:58:07,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:58:07,446 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 48 [2021-03-26 05:58:07,446 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 67 transitions, 694 flow. Second operand has 11 states, 11 states have (on average 24.818181818181817) internal successors, (273), 11 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:07,446 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:58:07,446 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 48 [2021-03-26 05:58:07,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:58:08,170 INFO L129 PetriNetUnfolder]: 2751/4399 cut-off events. [2021-03-26 05:58:08,170 INFO L130 PetriNetUnfolder]: For 17745/17976 co-relation queries the response was YES. [2021-03-26 05:58:08,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21470 conditions, 4399 events. 2751/4399 cut-off events. For 17745/17976 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 25840 event pairs, 273 based on Foata normal form. 580/4976 useless extension candidates. Maximal degree in co-relation 20926. Up to 2401 conditions per place. [2021-03-26 05:58:08,265 INFO L132 encePairwiseOnDemand]: 42/48 looper letters, 193 selfloop transitions, 151 changer transitions 4/357 dead transitions. [2021-03-26 05:58:08,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 357 transitions, 4156 flow [2021-03-26 05:58:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 05:58:08,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 05:58:08,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 567 transitions. [2021-03-26 05:58:08,267 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6217105263157895 [2021-03-26 05:58:08,267 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 567 transitions. [2021-03-26 05:58:08,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 567 transitions. [2021-03-26 05:58:08,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:58:08,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 567 transitions. [2021-03-26 05:58:08,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 29.842105263157894) internal successors, (567), 19 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:08,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 48.0) internal successors, (960), 20 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:08,270 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 48.0) internal successors, (960), 20 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:08,270 INFO L185 Difference]: Start difference. First operand has 52 places, 67 transitions, 694 flow. Second operand 19 states and 567 transitions. [2021-03-26 05:58:08,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 357 transitions, 4156 flow [2021-03-26 05:58:08,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 357 transitions, 3646 flow, removed 255 selfloop flow, removed 0 redundant places. [2021-03-26 05:58:08,293 INFO L241 Difference]: Finished difference. Result has 81 places, 219 transitions, 2672 flow [2021-03-26 05:58:08,294 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2672, PETRI_PLACES=81, PETRI_TRANSITIONS=219} [2021-03-26 05:58:08,294 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 53 predicate places. [2021-03-26 05:58:08,294 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:58:08,294 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 219 transitions, 2672 flow [2021-03-26 05:58:08,294 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 219 transitions, 2672 flow [2021-03-26 05:58:08,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 219 transitions, 2672 flow [2021-03-26 05:58:08,428 INFO L129 PetriNetUnfolder]: 616/1343 cut-off events. [2021-03-26 05:58:08,428 INFO L130 PetriNetUnfolder]: For 10762/11889 co-relation queries the response was YES. [2021-03-26 05:58:08,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6954 conditions, 1343 events. 616/1343 cut-off events. For 10762/11889 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 9392 event pairs, 54 based on Foata normal form. 30/1319 useless extension candidates. Maximal degree in co-relation 6623. Up to 403 conditions per place. [2021-03-26 05:58:08,451 INFO L142 LiptonReduction]: Number of co-enabled transitions 1446 [2021-03-26 05:58:08,577 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 05:58:08,577 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 05:58:08,577 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 283 [2021-03-26 05:58:08,578 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 219 transitions, 2686 flow [2021-03-26 05:58:08,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 24.818181818181817) internal successors, (273), 11 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:08,578 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:58:08,578 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 05:58:08,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-03-26 05:58:08,796 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 05:58:08,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:58:08,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1049116634, now seen corresponding path program 3 times [2021-03-26 05:58:08,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:58:08,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879275035] [2021-03-26 05:58:08,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:58:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:08,822 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 05:58:08,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:58:08,828 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 05:58:08,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:08,837 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 05:58:08,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:08,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:08,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 05:58:08,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879275035] [2021-03-26 05:58:08,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352007379] [2021-03-26 05:58:08,854 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 05:58:08,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 05:58:08,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 05:58:08,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 05:58:08,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 05:58:08,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:08,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:08,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:08,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:08,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:08,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:08,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:08,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:08,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:08,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:08,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 05:58:08,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:08,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:08,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 05:58:08,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:08,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:08,919 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 05:58:08,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:08,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:08,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:08,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:58:08,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:08,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:08,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:58:08,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:08,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:08,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:58:08,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:08,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:08,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:08,952 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 05:58:08,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:08,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:08,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 05:58:08,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 05:58:08,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-03-26 05:58:08,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986789461] [2021-03-26 05:58:08,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:58:08,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:58:08,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:58:08,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:58:08,969 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 49 [2021-03-26 05:58:08,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 219 transitions, 2686 flow. Second operand has 9 states, 9 states have (on average 29.444444444444443) internal successors, (265), 9 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:08,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:58:08,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 49 [2021-03-26 05:58:08,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:58:10,151 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L47-1-->thread3EXIT: Formula: (not (< v_j1_14 v_M1_8)) InVars {j1=v_j1_14, M1=v_M1_8} OutVars{j1=v_j1_14, M1=v_M1_8} AuxVars[] AssignedVars[][68], [11#thread2EXITtrue, 14#thread1EXITtrue, 18#L76true, Black: 400#(and (= M1 N2) (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 384#(and (= M1 N2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 386#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 388#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1)), Black: 404#(and (= M1 N2) (<= j2 i1) (<= N1 M2) (<= (+ j1 1) N2)), Black: 392#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 27#thread3EXITtrue, Black: 394#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= N1 M2) (<= (+ j1 1) N2)), Black: 396#(and (= M1 N2) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 380#(and (= M1 N2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (< (+ j2 1) M2) (= N2 N1) (<= (+ j2 1) i1)), Black: 316#(and (= M1 N2) (<= (+ j1 1) N2)), Black: 382#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 33#thread4EXITtrue, 488#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 j1)), Black: 112#(and (<= j2 i1) (= M2 N1) (<= (+ j2 1) N1)), Black: 240#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 65#(and (= j2 i1) (= M2 N1)), Black: 187#(and (= i2 i1) (= N2 N1)), Black: 254#(and (<= counter 0) (<= 0 counter)), Black: 51#(= counter 0), 310#true, 247#(<= N1 i1), Black: 182#(and (<= (+ j1 1) N1) (<= j1 i1) (= M1 N1)), 185#true, 57#(<= N1 i1), Black: 119#(and (<= (+ i1 1) M1) (= M1 N1)), Black: 246#(and (= i2 i1) (= N2 N1)), 252#true, Black: 56#(and (<= j2 i1) (= M2 N1)), 125#(<= M1 j1), Black: 59#(and (<= N1 i1) (<= j2 i1) (= M2 N1)), 63#true]) [2021-03-26 05:58:10,151 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-03-26 05:58:10,152 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-26 05:58:10,152 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-26 05:58:10,152 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 05:58:10,261 INFO L129 PetriNetUnfolder]: 3805/6579 cut-off events. [2021-03-26 05:58:10,261 INFO L130 PetriNetUnfolder]: For 73048/75821 co-relation queries the response was YES. [2021-03-26 05:58:10,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40096 conditions, 6579 events. 3805/6579 cut-off events. For 73048/75821 co-relation queries the response was YES. Maximal size of possible extension queue 603. Compared 48018 event pairs, 464 based on Foata normal form. 317/6510 useless extension candidates. Maximal degree in co-relation 39096. Up to 1844 conditions per place. [2021-03-26 05:58:10,372 INFO L132 encePairwiseOnDemand]: 43/49 looper letters, 223 selfloop transitions, 97 changer transitions 3/404 dead transitions. [2021-03-26 05:58:10,372 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 404 transitions, 5577 flow [2021-03-26 05:58:10,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:58:10,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:58:10,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 292 transitions. [2021-03-26 05:58:10,374 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6621315192743764 [2021-03-26 05:58:10,374 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 292 transitions. [2021-03-26 05:58:10,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 292 transitions. [2021-03-26 05:58:10,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:58:10,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 292 transitions. [2021-03-26 05:58:10,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 32.44444444444444) internal successors, (292), 9 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:10,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 49.0) internal successors, (490), 10 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:10,376 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 49.0) internal successors, (490), 10 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:10,376 INFO L185 Difference]: Start difference. First operand has 80 places, 219 transitions, 2686 flow. Second operand 9 states and 292 transitions. [2021-03-26 05:58:10,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 404 transitions, 5577 flow [2021-03-26 05:58:10,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 404 transitions, 4979 flow, removed 284 selfloop flow, removed 2 redundant places. [2021-03-26 05:58:10,551 INFO L241 Difference]: Finished difference. Result has 91 places, 306 transitions, 3909 flow [2021-03-26 05:58:10,552 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=2243, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3909, PETRI_PLACES=91, PETRI_TRANSITIONS=306} [2021-03-26 05:58:10,552 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 63 predicate places. [2021-03-26 05:58:10,552 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:58:10,552 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 306 transitions, 3909 flow [2021-03-26 05:58:10,552 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 306 transitions, 3909 flow [2021-03-26 05:58:10,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 306 transitions, 3909 flow [2021-03-26 05:58:10,987 INFO L129 PetriNetUnfolder]: 1519/3303 cut-off events. [2021-03-26 05:58:10,987 INFO L130 PetriNetUnfolder]: For 43958/46053 co-relation queries the response was YES. [2021-03-26 05:58:11,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19565 conditions, 3303 events. 1519/3303 cut-off events. For 43958/46053 co-relation queries the response was YES. Maximal size of possible extension queue 371. Compared 27908 event pairs, 136 based on Foata normal form. 125/3251 useless extension candidates. Maximal degree in co-relation 18733. Up to 954 conditions per place. [2021-03-26 05:58:11,096 INFO L142 LiptonReduction]: Number of co-enabled transitions 2006 [2021-03-26 05:58:11,124 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:58:11,124 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:58:11,125 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 573 [2021-03-26 05:58:11,125 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 306 transitions, 3909 flow [2021-03-26 05:58:11,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 29.444444444444443) internal successors, (265), 9 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:11,125 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:58:11,125 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 05:58:11,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 05:58:11,349 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 05:58:11,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:58:11,350 INFO L82 PathProgramCache]: Analyzing trace with hash 709385300, now seen corresponding path program 4 times [2021-03-26 05:58:11,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:58:11,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250757320] [2021-03-26 05:58:11,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:58:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:11,375 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 05:58:11,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:58:11,382 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 05:58:11,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:11,388 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 05:58:11,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:11,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:11,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:11,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,405 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 05:58:11,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250757320] [2021-03-26 05:58:11,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975732929] [2021-03-26 05:58:11,405 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 05:58:11,438 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 05:58:11,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 05:58:11,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 05:58:11,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 05:58:11,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:58:11,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:11,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:11,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:11,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:11,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:58:11,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:11,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:11,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:11,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:11,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:11,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:11,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:11,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:11,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:11,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:11,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:11,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:11,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:11,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:11,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:11,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:11,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 05:58:11,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:11,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:11,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 05:58:11,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:11,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:11,485 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-26 05:58:11,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:11,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:11,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:11,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:58:11,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:11,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:11,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:11,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:11,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:11,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:11,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:11,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:58:11,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:11,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:11,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:58:11,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:11,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:11,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:11,507 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 05:58:11,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:11,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:11,525 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 05:58:11,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 05:58:11,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-03-26 05:58:11,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74590292] [2021-03-26 05:58:11,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 05:58:11,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:58:11,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 05:58:11,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-03-26 05:58:11,528 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 49 [2021-03-26 05:58:11,528 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 306 transitions, 3909 flow. Second operand has 9 states, 9 states have (on average 28.333333333333332) internal successors, (255), 9 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:11,528 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:58:11,528 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 49 [2021-03-26 05:58:11,528 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:58:13,770 INFO L129 PetriNetUnfolder]: 8121/14264 cut-off events. [2021-03-26 05:58:13,770 INFO L130 PetriNetUnfolder]: For 214713/220621 co-relation queries the response was YES. [2021-03-26 05:58:13,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94933 conditions, 14264 events. 8121/14264 cut-off events. For 214713/220621 co-relation queries the response was YES. Maximal size of possible extension queue 1238. Compared 120300 event pairs, 820 based on Foata normal form. 824/14495 useless extension candidates. Maximal degree in co-relation 92742. Up to 3824 conditions per place. [2021-03-26 05:58:14,105 INFO L132 encePairwiseOnDemand]: 42/49 looper letters, 698 selfloop transitions, 118 changer transitions 37/934 dead transitions. [2021-03-26 05:58:14,106 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 934 transitions, 14233 flow [2021-03-26 05:58:14,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:58:14,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:58:14,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 283 transitions. [2021-03-26 05:58:14,108 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6417233560090703 [2021-03-26 05:58:14,108 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 283 transitions. [2021-03-26 05:58:14,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 283 transitions. [2021-03-26 05:58:14,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:58:14,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 283 transitions. [2021-03-26 05:58:14,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 31.444444444444443) internal successors, (283), 9 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:14,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 49.0) internal successors, (490), 10 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:14,110 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 49.0) internal successors, (490), 10 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:14,110 INFO L185 Difference]: Start difference. First operand has 91 places, 306 transitions, 3909 flow. Second operand 9 states and 283 transitions. [2021-03-26 05:58:14,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 934 transitions, 14233 flow [2021-03-26 05:58:14,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 934 transitions, 12452 flow, removed 880 selfloop flow, removed 2 redundant places. [2021-03-26 05:58:14,557 INFO L241 Difference]: Finished difference. Result has 102 places, 419 transitions, 5432 flow [2021-03-26 05:58:14,557 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=3478, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5432, PETRI_PLACES=102, PETRI_TRANSITIONS=419} [2021-03-26 05:58:14,557 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 74 predicate places. [2021-03-26 05:58:14,558 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:58:14,558 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 419 transitions, 5432 flow [2021-03-26 05:58:14,558 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 419 transitions, 5432 flow [2021-03-26 05:58:14,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 419 transitions, 5432 flow [2021-03-26 05:58:15,716 INFO L129 PetriNetUnfolder]: 5124/10348 cut-off events. [2021-03-26 05:58:15,717 INFO L130 PetriNetUnfolder]: For 178134/184452 co-relation queries the response was YES. [2021-03-26 05:58:15,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68387 conditions, 10348 events. 5124/10348 cut-off events. For 178134/184452 co-relation queries the response was YES. Maximal size of possible extension queue 1107. Compared 99467 event pairs, 528 based on Foata normal form. 491/10239 useless extension candidates. Maximal degree in co-relation 66063. Up to 3367 conditions per place. [2021-03-26 05:58:15,882 INFO L142 LiptonReduction]: Number of co-enabled transitions 3970 [2021-03-26 05:58:15,936 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:58:15,937 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:58:15,937 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1379 [2021-03-26 05:58:15,937 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 419 transitions, 5432 flow [2021-03-26 05:58:15,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 28.333333333333332) internal successors, (255), 9 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:15,938 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:58:15,938 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 05:58:16,151 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 05:58:16,152 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 05:58:16,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:58:16,152 INFO L82 PathProgramCache]: Analyzing trace with hash -506977806, now seen corresponding path program 5 times [2021-03-26 05:58:16,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:58:16,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084342796] [2021-03-26 05:58:16,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:58:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:16,177 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 05:58:16,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:58:16,185 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-26 05:58:16,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:58:16,199 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 05:58:16,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:16,211 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 05:58:16,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:16,220 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 05:58:16,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:16,230 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-03-26 05:58:16,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,231 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:58:16,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084342796] [2021-03-26 05:58:16,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072984813] [2021-03-26 05:58:16,231 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 05:58:16,267 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-26 05:58:16,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 05:58:16,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 05:58:16,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 05:58:16,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:58:16,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:16,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:16,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 05:58:16,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:16,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:16,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:16,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 05:58:16,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:16,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:16,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 05:58:16,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:16,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:16,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:16,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:16,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:16,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:16,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:16,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:16,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:16,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:16,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:16,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:16,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 05:58:16,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:16,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:16,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:16,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 05:58:16,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 05:58:16,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:16,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 05:58:16,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:16,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:58:16,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:16,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:16,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:58:16,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:16,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:16,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:16,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:16,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:16,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:58:16,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 05:58:16,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-26 05:58:16,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744363962] [2021-03-26 05:58:16,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 05:58:16,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:58:16,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 05:58:16,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-26 05:58:16,432 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 49 [2021-03-26 05:58:16,433 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 419 transitions, 5432 flow. Second operand has 11 states, 11 states have (on average 28.272727272727273) internal successors, (311), 11 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:16,433 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:58:16,433 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 49 [2021-03-26 05:58:16,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:58:19,903 INFO L129 PetriNetUnfolder]: 12944/23407 cut-off events. [2021-03-26 05:58:19,903 INFO L130 PetriNetUnfolder]: For 406711/419224 co-relation queries the response was YES. [2021-03-26 05:58:20,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 168388 conditions, 23407 events. 12944/23407 cut-off events. For 406711/419224 co-relation queries the response was YES. Maximal size of possible extension queue 2085. Compared 219021 event pairs, 1918 based on Foata normal form. 1604/23820 useless extension candidates. Maximal degree in co-relation 164495. Up to 10052 conditions per place. [2021-03-26 05:58:20,208 INFO L132 encePairwiseOnDemand]: 42/49 looper letters, 759 selfloop transitions, 200 changer transitions 0/1040 dead transitions. [2021-03-26 05:58:20,208 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 1040 transitions, 15459 flow [2021-03-26 05:58:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 05:58:20,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 05:58:20,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 287 transitions. [2021-03-26 05:58:20,210 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6507936507936508 [2021-03-26 05:58:20,210 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 287 transitions. [2021-03-26 05:58:20,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 287 transitions. [2021-03-26 05:58:20,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:58:20,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 287 transitions. [2021-03-26 05:58:20,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 31.88888888888889) internal successors, (287), 9 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:20,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 49.0) internal successors, (490), 10 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:20,214 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 49.0) internal successors, (490), 10 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:20,214 INFO L185 Difference]: Start difference. First operand has 102 places, 419 transitions, 5432 flow. Second operand 9 states and 287 transitions. [2021-03-26 05:58:20,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 1040 transitions, 15459 flow [2021-03-26 05:58:21,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 1040 transitions, 15365 flow, removed 45 selfloop flow, removed 1 redundant places. [2021-03-26 05:58:21,546 INFO L241 Difference]: Finished difference. Result has 114 places, 600 transitions, 8893 flow [2021-03-26 05:58:21,547 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=5398, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=8893, PETRI_PLACES=114, PETRI_TRANSITIONS=600} [2021-03-26 05:58:21,547 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 86 predicate places. [2021-03-26 05:58:21,547 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:58:21,547 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 600 transitions, 8893 flow [2021-03-26 05:58:21,548 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 600 transitions, 8893 flow [2021-03-26 05:58:21,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 600 transitions, 8893 flow [2021-03-26 05:58:23,277 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L47-1-->L47-1: Formula: (and (= (+ v_j1_11 1) v_j1_10) (< v_j1_11 v_M1_6) (= v_counter_49 (+ v_counter_50 v_C_22))) InVars {counter=v_counter_50, j1=v_j1_11, M1=v_M1_6, C=v_C_22} OutVars{counter=v_counter_49, j1=v_j1_10, M1=v_M1_6, C=v_C_22} AuxVars[] AssignedVars[counter, j1][344], [Black: 642#(and (<= (+ i2 2) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 578#(and (<= (+ i2 1) M1) (= N2 N1) (= M1 N1)), Black: 644#(and (<= (+ i2 1) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 638#(and (<= (+ i2 1) M1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 575#(and (= N2 N1) (<= i2 j1) (= M1 N1)), 11#thread2EXITtrue, 14#thread1EXITtrue, 18#L76true, Black: 400#(and (= M1 N2) (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 384#(and (= M1 N2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 386#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 388#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1)), Black: 404#(and (= M1 N2) (<= j2 i1) (<= N1 M2) (<= (+ j1 1) N2)), Black: 392#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 394#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= N1 M2) (<= (+ j1 1) N2)), Black: 396#(and (= M1 N2) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 380#(and (= M1 N2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (< (+ j2 1) M2) (= N2 N1) (<= (+ j2 1) i1)), Black: 316#(and (= M1 N2) (<= (+ j1 1) N2)), Black: 382#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 33#thread4EXITtrue, 420#true, 38#L47-1true, Black: 254#(and (<= counter 0) (<= 0 counter)), Black: 51#(= counter 0), 310#true, Black: 561#(and (= M1 N2) (<= M1 (+ j1 1)) (<= i2 (+ j1 1))), Black: 182#(and (<= (+ j1 1) N1) (<= j1 i1) (= M1 N1)), Black: 563#(and (= M1 N2) (<= M1 j1) (<= i2 j1)), 57#(<= N1 i1), 185#true, Black: 500#(and (= M1 N2) (<= i2 j1)), Black: 501#(and (= M1 N2) (<= i2 (+ j1 1))), Black: 565#(and (= M1 N2) (<= M1 j1) (<= i2 (+ j1 1))), 572#true, Black: 56#(and (<= j2 i1) (= M2 N1)), 63#true, Black: 484#(and (= M1 N2) (<= N2 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1))), Black: 486#(and (= M1 N2) (= N2 N1) (<= i1 j1)), Black: 423#(and (= M1 N2) (= N2 N1) (<= i1 (+ j1 1))), Black: 488#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 j1)), Black: 490#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 (+ j1 1))), 497#true, Black: 240#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 112#(and (<= j2 i1) (= M2 N1) (<= (+ j2 1) N1)), Black: 187#(and (= i2 i1) (= N2 N1)), Black: 65#(and (= j2 i1) (= M2 N1)), 247#(<= N1 i1), Black: 119#(and (<= (+ i1 1) M1) (= M1 N1)), 122#true, Black: 246#(and (= i2 i1) (= N2 N1)), 252#true]) [2021-03-26 05:58:23,277 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-03-26 05:58:23,277 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 05:58:23,278 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 05:58:23,278 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 05:58:23,547 INFO L129 PetriNetUnfolder]: 8829/17647 cut-off events. [2021-03-26 05:58:23,548 INFO L130 PetriNetUnfolder]: For 363015/376341 co-relation queries the response was YES. [2021-03-26 05:58:23,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126994 conditions, 17647 events. 8829/17647 cut-off events. For 363015/376341 co-relation queries the response was YES. Maximal size of possible extension queue 1809. Compared 180439 event pairs, 977 based on Foata normal form. 1028/17729 useless extension candidates. Maximal degree in co-relation 123353. Up to 5743 conditions per place. [2021-03-26 05:58:24,027 INFO L142 LiptonReduction]: Number of co-enabled transitions 5220 [2021-03-26 05:58:24,100 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:58:24,100 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:58:24,100 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2553 [2021-03-26 05:58:24,101 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 600 transitions, 8893 flow [2021-03-26 05:58:24,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 28.272727272727273) internal successors, (311), 11 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:24,101 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:58:24,101 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 05:58:24,315 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-03-26 05:58:24,316 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 05:58:24,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:58:24,316 INFO L82 PathProgramCache]: Analyzing trace with hash 218028934, now seen corresponding path program 6 times [2021-03-26 05:58:24,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:58:24,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424348177] [2021-03-26 05:58:24,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:58:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:58:24,338 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 05:58:24,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:58:24,346 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-26 05:58:24,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:58:24,354 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 05:58:24,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:24,363 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 05:58:24,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:24,372 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 05:58:24,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:24,382 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-03-26 05:58:24,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,384 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 05:58:24,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424348177] [2021-03-26 05:58:24,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650620922] [2021-03-26 05:58:24,384 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 05:58:24,422 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-26 05:58:24,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 05:58:24,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 05:58:24,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 05:58:24,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:24,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:24,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:24,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:24,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:24,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:24,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:24,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:24,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:24,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:24,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 05:58:24,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:24,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:24,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 05:58:24,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:24,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:24,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:24,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:24,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:24,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:24,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:24,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:24,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:24,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:24,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:24,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:24,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:24,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:58:24,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:24,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:58:24,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 05:58:24,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:24,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:58:24,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 05:58:24,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:24,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:24,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:24,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:24,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:24,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:24,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:58:24,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:58:24,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 05:58:24,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 05:58:24,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:58:24,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:58:24,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:58:24,516 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 05:58:24,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 05:58:24,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-03-26 05:58:24,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741813771] [2021-03-26 05:58:24,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 05:58:24,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:58:24,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 05:58:24,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-03-26 05:58:24,518 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 49 [2021-03-26 05:58:24,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 600 transitions, 8893 flow. Second operand has 10 states, 10 states have (on average 25.0) internal successors, (250), 10 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 05:58:24,519 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:58:24,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 49 [2021-03-26 05:58:24,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:58:43,912 INFO L129 PetriNetUnfolder]: 57702/100968 cut-off events. [2021-03-26 05:58:43,912 INFO L130 PetriNetUnfolder]: For 1958221/1958617 co-relation queries the response was YES. [2021-03-26 05:58:44,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 771351 conditions, 100968 events. 57702/100968 cut-off events. For 1958221/1958617 co-relation queries the response was YES. Maximal size of possible extension queue 6938. Compared 1056303 event pairs, 5842 based on Foata normal form. 6378/107334 useless extension candidates. Maximal degree in co-relation 755267. Up to 27261 conditions per place. [2021-03-26 05:58:45,378 INFO L132 encePairwiseOnDemand]: 41/49 looper letters, 1556 selfloop transitions, 1306 changer transitions 28/2899 dead transitions. [2021-03-26 05:58:45,379 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 2899 transitions, 52868 flow [2021-03-26 05:58:45,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-26 05:58:45,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-26 05:58:45,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 670 transitions. [2021-03-26 05:58:45,381 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.62152133580705 [2021-03-26 05:58:45,381 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 670 transitions. [2021-03-26 05:58:45,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 670 transitions. [2021-03-26 05:58:45,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 05:58:45,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 670 transitions. [2021-03-26 05:58:45,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 30.454545454545453) internal successors, (670), 22 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:45,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 49.0) internal successors, (1127), 23 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:45,384 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 49.0) internal successors, (1127), 23 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:58:45,384 INFO L185 Difference]: Start difference. First operand has 114 places, 600 transitions, 8893 flow. Second operand 22 states and 670 transitions. [2021-03-26 05:58:45,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 2899 transitions, 52868 flow [2021-03-26 05:59:01,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 2899 transitions, 51444 flow, removed 710 selfloop flow, removed 1 redundant places. [2021-03-26 05:59:01,289 INFO L241 Difference]: Finished difference. Result has 149 places, 1913 transitions, 37885 flow [2021-03-26 05:59:01,290 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=8641, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=600, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=249, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=37885, PETRI_PLACES=149, PETRI_TRANSITIONS=1913} [2021-03-26 05:59:01,290 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 121 predicate places. [2021-03-26 05:59:01,290 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 05:59:01,291 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 1913 transitions, 37885 flow [2021-03-26 05:59:01,291 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 1913 transitions, 37885 flow [2021-03-26 05:59:01,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 149 places, 1913 transitions, 37885 flow [2021-03-26 05:59:09,542 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L58-1-->thread4EXIT: Formula: (not (< v_j2_14 v_M2_8)) InVars {j2=v_j2_14, M2=v_M2_8} OutVars{j2=v_j2_14, M2=v_M2_8} AuxVars[] AssignedVars[][795], [4#L35-1true, 644#(and (<= (+ i2 1) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 642#(and (<= (+ i2 2) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 578#(and (<= (+ i2 1) M1) (= N2 N1) (= M1 N1)), Black: 638#(and (<= (+ i2 1) M1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 575#(and (= N2 N1) (<= i2 j1) (= M1 N1)), 651#true, 14#thread1EXITtrue, 18#L76true, Black: 400#(and (= M1 N2) (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 384#(and (= M1 N2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 386#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 388#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1)), Black: 404#(and (= M1 N2) (<= j2 i1) (<= N1 M2) (<= (+ j1 1) N2)), Black: 392#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 27#thread3EXITtrue, Black: 394#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= N1 M2) (<= (+ j1 1) N2)), Black: 396#(and (= M1 N2) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 380#(and (= M1 N2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (< (+ j2 1) M2) (= N2 N1) (<= (+ j2 1) i1)), Black: 316#(and (= M1 N2) (<= (+ j1 1) N2)), Black: 382#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 33#thread4EXITtrue, 426#(<= M1 j1), 563#(and (= M1 N2) (<= M1 j1) (<= i2 j1)), Black: 51#(= counter 0), 310#true, Black: 561#(and (= M1 N2) (<= M1 (+ j1 1)) (<= i2 (+ j1 1))), Black: 182#(and (<= (+ j1 1) N1) (<= j1 i1) (= M1 N1)), 57#(<= N1 i1), 185#true, Black: 500#(and (= M1 N2) (<= i2 j1)), Black: 501#(and (= M1 N2) (<= i2 (+ j1 1))), Black: 565#(and (= M1 N2) (<= M1 j1) (<= i2 (+ j1 1))), Black: 56#(and (<= j2 i1) (= M2 N1)), 63#true, Black: 484#(and (= M1 N2) (<= N2 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1))), Black: 486#(and (= M1 N2) (= N2 N1) (<= i1 j1)), Black: 423#(and (= M1 N2) (= N2 N1) (<= i1 (+ j1 1))), Black: 736#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 488#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 j1)), Black: 738#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 (+ j1 1)) (<= M1 N1) (<= (+ j2 1) j1)), Black: 490#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 (+ j1 1))), Black: 740#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 742#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= (+ j2 1) M1)), Black: 240#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 112#(and (<= j2 i1) (= M2 N1) (<= (+ j2 1) N1)), Black: 744#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 187#(and (= i2 i1) (= N2 N1)), Black: 65#(and (= j2 i1) (= M2 N1)), Black: 746#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1)), Black: 748#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 654#(and (= M1 N2) (= M2 N2) (<= j2 j1)), Black: 720#(and (= M1 N2) (= M2 N2) (<= (+ j2 1) M1) (<= (+ j2 1) j1)), 247#(<= N1 i1), Black: 722#(and (= M1 N2) (= M2 N2) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 724#(and (= M1 N2) (= M2 N2) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 119#(and (<= (+ i1 1) M1) (= M1 N1)), Black: 726#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 728#(and (= M1 N2) (= M2 N2) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 246#(and (= i2 i1) (= N2 N1)), Black: 730#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (< i1 N1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 732#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= (+ j2 1) j1)), 125#(<= M1 j1), 254#(and (<= counter 0) (<= 0 counter))]) [2021-03-26 05:59:09,542 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-26 05:59:09,542 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 05:59:09,542 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 05:59:09,542 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-26 05:59:14,308 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([125] L58-1-->thread4EXIT: Formula: (not (< v_j2_14 v_M2_8)) InVars {j2=v_j2_14, M2=v_M2_8} OutVars{j2=v_j2_14, M2=v_M2_8} AuxVars[] AssignedVars[][795], [644#(and (<= (+ i2 1) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), 4#L35-1true, Black: 642#(and (<= (+ i2 2) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 578#(and (<= (+ i2 1) M1) (= N2 N1) (= M1 N1)), Black: 638#(and (<= (+ i2 1) M1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 575#(and (= N2 N1) (<= i2 j1) (= M1 N1)), 651#true, 14#thread1EXITtrue, 18#L76true, Black: 400#(and (= M1 N2) (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 384#(and (= M1 N2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 386#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 388#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1)), Black: 404#(and (= M1 N2) (<= j2 i1) (<= N1 M2) (<= (+ j1 1) N2)), 27#thread3EXITtrue, Black: 392#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 394#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= N1 M2) (<= (+ j1 1) N2)), Black: 396#(and (= M1 N2) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 380#(and (= M1 N2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (< (+ j2 1) M2) (= N2 N1) (<= (+ j2 1) i1)), Black: 316#(and (= M1 N2) (<= (+ j1 1) N2)), Black: 382#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 33#thread4EXITtrue, 426#(<= M1 j1), 563#(and (= M1 N2) (<= M1 j1) (<= i2 j1)), Black: 51#(= counter 0), 310#true, Black: 561#(and (= M1 N2) (<= M1 (+ j1 1)) (<= i2 (+ j1 1))), Black: 182#(and (<= (+ j1 1) N1) (<= j1 i1) (= M1 N1)), 185#true, Black: 500#(and (= M1 N2) (<= i2 j1)), 57#(<= N1 i1), Black: 501#(and (= M1 N2) (<= i2 (+ j1 1))), Black: 565#(and (= M1 N2) (<= M1 j1) (<= i2 (+ j1 1))), Black: 56#(and (<= j2 i1) (= M2 N1)), 63#true, Black: 484#(and (= M1 N2) (<= N2 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1))), Black: 486#(and (= M1 N2) (= N2 N1) (<= i1 j1)), Black: 423#(and (= M1 N2) (= N2 N1) (<= i1 (+ j1 1))), Black: 736#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 488#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 j1)), Black: 738#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 (+ j1 1)) (<= M1 N1) (<= (+ j2 1) j1)), Black: 490#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 (+ j1 1))), Black: 740#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 742#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= (+ j2 1) M1)), Black: 744#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 112#(and (<= j2 i1) (= M2 N1) (<= (+ j2 1) N1)), Black: 240#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 746#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1)), Black: 187#(and (= i2 i1) (= N2 N1)), Black: 65#(and (= j2 i1) (= M2 N1)), Black: 748#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 654#(and (= M1 N2) (= M2 N2) (<= j2 j1)), Black: 720#(and (= M1 N2) (= M2 N2) (<= (+ j2 1) M1) (<= (+ j2 1) j1)), Black: 722#(and (= M1 N2) (= M2 N2) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), 247#(<= N1 i1), Black: 724#(and (= M1 N2) (= M2 N2) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 119#(and (<= (+ i1 1) M1) (= M1 N1)), Black: 726#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 728#(and (= M1 N2) (= M2 N2) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 730#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (< i1 N1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 246#(and (= i2 i1) (= N2 N1)), Black: 732#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= (+ j2 1) j1)), 125#(<= M1 j1), 254#(and (<= counter 0) (<= 0 counter))]) [2021-03-26 05:59:14,308 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-03-26 05:59:14,308 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 05:59:14,308 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 05:59:14,308 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-26 05:59:14,308 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-26 05:59:14,966 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([114] thread3EXIT-->L79: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar2_4) (= 3 v_thread3Thread1of1ForFork2_thidvar1_4) (= 3 v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][439], [256#(and (<= (* 2 C) counter) (<= counter (* 2 C))), Black: 642#(and (<= (+ i2 2) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 578#(and (<= (+ i2 1) M1) (= N2 N1) (= M1 N1)), Black: 644#(and (<= (+ i2 1) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 638#(and (<= (+ i2 1) M1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 575#(and (= N2 N1) (<= i2 j1) (= M1 N1)), 20#L58-1true, Black: 400#(and (= M1 N2) (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 384#(and (= M1 N2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 386#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), 24#L79true, Black: 388#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1)), Black: 404#(and (= M1 N2) (<= j2 i1) (<= N1 M2) (<= (+ j1 1) N2)), Black: 392#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 394#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= N1 M2) (<= (+ j1 1) N2)), Black: 396#(and (= M1 N2) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 380#(and (= M1 N2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (< (+ j2 1) M2) (= N2 N1) (<= (+ j2 1) i1)), Black: 316#(and (= M1 N2) (<= (+ j1 1) N2)), 426#(<= M1 j1), Black: 254#(and (<= counter 0) (<= 0 counter)), Black: 51#(= counter 0), Black: 561#(and (= M1 N2) (<= M1 (+ j1 1)) (<= i2 (+ j1 1))), Black: 563#(and (= M1 N2) (<= M1 j1) (<= i2 j1)), Black: 182#(and (<= (+ j1 1) N1) (<= j1 i1) (= M1 N1)), 57#(<= N1 i1), 185#true, Black: 500#(and (= M1 N2) (<= i2 j1)), Black: 501#(and (= M1 N2) (<= i2 (+ j1 1))), Black: 565#(and (= M1 N2) (<= M1 j1) (<= i2 (+ j1 1))), 572#true, Black: 56#(and (<= j2 i1) (= M2 N1)), 63#true, 720#(and (= M1 N2) (= M2 N2) (<= (+ j2 1) M1) (<= (+ j2 1) j1)), Black: 484#(and (= M1 N2) (<= N2 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1))), Black: 486#(and (= M1 N2) (= N2 N1) (<= i1 j1)), Black: 423#(and (= M1 N2) (= N2 N1) (<= i1 (+ j1 1))), Black: 736#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 488#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 j1)), Black: 738#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 (+ j1 1)) (<= M1 N1) (<= (+ j2 1) j1)), Black: 740#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 490#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 (+ j1 1))), Black: 742#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= (+ j2 1) M1)), Black: 744#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 240#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 112#(and (<= j2 i1) (= M2 N1) (<= (+ j2 1) N1)), Black: 746#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1)), Black: 187#(and (= i2 i1) (= N2 N1)), Black: 65#(and (= j2 i1) (= M2 N1)), Black: 748#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 654#(and (= M1 N2) (= M2 N2) (<= j2 j1)), 247#(<= N1 i1), Black: 722#(and (= M1 N2) (= M2 N2) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), 503#(<= M1 j1), Black: 724#(and (= M1 N2) (= M2 N2) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 119#(and (<= (+ i1 1) M1) (= M1 N1)), Black: 726#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 728#(and (= M1 N2) (= M2 N2) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 730#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (< i1 N1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 246#(and (= i2 i1) (= N2 N1)), Black: 732#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= (+ j2 1) j1)), 125#(<= M1 j1), 382#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1))]) [2021-03-26 05:59:14,967 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is not cut-off event [2021-03-26 05:59:14,967 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-03-26 05:59:14,967 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is not cut-off event [2021-03-26 05:59:14,967 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-03-26 05:59:15,265 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L58-1-->thread4EXIT: Formula: (not (< v_j2_14 v_M2_8)) InVars {j2=v_j2_14, M2=v_M2_8} OutVars{j2=v_j2_14, M2=v_M2_8} AuxVars[] AssignedVars[][795], [644#(and (<= (+ i2 1) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 642#(and (<= (+ i2 2) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 578#(and (<= (+ i2 1) M1) (= N2 N1) (= M1 N1)), Black: 638#(and (<= (+ i2 1) M1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 575#(and (= N2 N1) (<= i2 j1) (= M1 N1)), 11#thread2EXITtrue, 651#true, 14#thread1EXITtrue, 18#L76true, Black: 400#(and (= M1 N2) (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 384#(and (= M1 N2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 386#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 388#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1)), Black: 404#(and (= M1 N2) (<= j2 i1) (<= N1 M2) (<= (+ j1 1) N2)), 27#thread3EXITtrue, Black: 392#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 394#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= N1 M2) (<= (+ j1 1) N2)), Black: 396#(and (= M1 N2) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 380#(and (= M1 N2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (< (+ j2 1) M2) (= N2 N1) (<= (+ j2 1) i1)), Black: 316#(and (= M1 N2) (<= (+ j1 1) N2)), Black: 382#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 33#thread4EXITtrue, 426#(<= M1 j1), 563#(and (= M1 N2) (<= M1 j1) (<= i2 j1)), Black: 51#(= counter 0), 310#true, Black: 561#(and (= M1 N2) (<= M1 (+ j1 1)) (<= i2 (+ j1 1))), Black: 182#(and (<= (+ j1 1) N1) (<= j1 i1) (= M1 N1)), 185#true, Black: 500#(and (= M1 N2) (<= i2 j1)), 57#(<= N1 i1), Black: 501#(and (= M1 N2) (<= i2 (+ j1 1))), Black: 565#(and (= M1 N2) (<= M1 j1) (<= i2 (+ j1 1))), Black: 56#(and (<= j2 i1) (= M2 N1)), 63#true, Black: 484#(and (= M1 N2) (<= N2 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1))), Black: 486#(and (= M1 N2) (= N2 N1) (<= i1 j1)), Black: 736#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 423#(and (= M1 N2) (= N2 N1) (<= i1 (+ j1 1))), Black: 738#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 (+ j1 1)) (<= M1 N1) (<= (+ j2 1) j1)), Black: 488#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 j1)), Black: 490#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 (+ j1 1))), Black: 740#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 742#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= (+ j2 1) M1)), Black: 240#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 744#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 112#(and (<= j2 i1) (= M2 N1) (<= (+ j2 1) N1)), Black: 187#(and (= i2 i1) (= N2 N1)), Black: 65#(and (= j2 i1) (= M2 N1)), Black: 746#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1)), Black: 748#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 654#(and (= M1 N2) (= M2 N2) (<= j2 j1)), Black: 720#(and (= M1 N2) (= M2 N2) (<= (+ j2 1) M1) (<= (+ j2 1) j1)), 247#(<= N1 i1), Black: 722#(and (= M1 N2) (= M2 N2) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 724#(and (= M1 N2) (= M2 N2) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 119#(and (<= (+ i1 1) M1) (= M1 N1)), Black: 726#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 728#(and (= M1 N2) (= M2 N2) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 246#(and (= i2 i1) (= N2 N1)), Black: 730#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (< i1 N1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 732#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= (+ j2 1) j1)), 125#(<= M1 j1), 254#(and (<= counter 0) (<= 0 counter))]) [2021-03-26 05:59:15,265 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-03-26 05:59:15,265 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 05:59:15,265 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 05:59:15,265 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 05:59:15,353 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([114] thread3EXIT-->L79: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar2_4) (= 3 v_thread3Thread1of1ForFork2_thidvar1_4) (= 3 v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][439], [256#(and (<= (* 2 C) counter) (<= counter (* 2 C))), Black: 642#(and (<= (+ i2 2) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 578#(and (<= (+ i2 1) M1) (= N2 N1) (= M1 N1)), 392#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 644#(and (<= (+ i2 1) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 638#(and (<= (+ i2 1) M1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 575#(and (= N2 N1) (<= i2 j1) (= M1 N1)), 651#true, 20#L58-1true, Black: 400#(and (= M1 N2) (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 384#(and (= M1 N2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 386#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), 24#L79true, Black: 388#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1)), Black: 404#(and (= M1 N2) (<= j2 i1) (<= N1 M2) (<= (+ j1 1) N2)), Black: 394#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= N1 M2) (<= (+ j1 1) N2)), Black: 396#(and (= M1 N2) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 380#(and (= M1 N2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (< (+ j2 1) M2) (= N2 N1) (<= (+ j2 1) i1)), Black: 316#(and (= M1 N2) (<= (+ j1 1) N2)), Black: 382#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 426#(<= M1 j1), 563#(and (= M1 N2) (<= M1 j1) (<= i2 j1)), Black: 254#(and (<= counter 0) (<= 0 counter)), Black: 51#(= counter 0), Black: 561#(and (= M1 N2) (<= M1 (+ j1 1)) (<= i2 (+ j1 1))), Black: 182#(and (<= (+ j1 1) N1) (<= j1 i1) (= M1 N1)), Black: 500#(and (= M1 N2) (<= i2 j1)), 185#true, 57#(<= N1 i1), Black: 501#(and (= M1 N2) (<= i2 (+ j1 1))), Black: 565#(and (= M1 N2) (<= M1 j1) (<= i2 (+ j1 1))), 572#true, Black: 56#(and (<= j2 i1) (= M2 N1)), 63#true, Black: 484#(and (= M1 N2) (<= N2 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1))), Black: 486#(and (= M1 N2) (= N2 N1) (<= i1 j1)), Black: 423#(and (= M1 N2) (= N2 N1) (<= i1 (+ j1 1))), Black: 736#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 488#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 j1)), Black: 738#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 (+ j1 1)) (<= M1 N1) (<= (+ j2 1) j1)), Black: 490#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 (+ j1 1))), Black: 740#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 742#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= (+ j2 1) M1)), Black: 240#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 112#(and (<= j2 i1) (= M2 N1) (<= (+ j2 1) N1)), Black: 744#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 746#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1)), Black: 187#(and (= i2 i1) (= N2 N1)), Black: 65#(and (= j2 i1) (= M2 N1)), Black: 748#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 654#(and (= M1 N2) (= M2 N2) (<= j2 j1)), Black: 720#(and (= M1 N2) (= M2 N2) (<= (+ j2 1) M1) (<= (+ j2 1) j1)), Black: 722#(and (= M1 N2) (= M2 N2) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), 247#(<= N1 i1), Black: 724#(and (= M1 N2) (= M2 N2) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 726#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 119#(and (<= (+ i1 1) M1) (= M1 N1)), Black: 728#(and (= M1 N2) (= M2 N2) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 730#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (< i1 N1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 246#(and (= i2 i1) (= N2 N1)), Black: 732#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= (+ j2 1) j1)), 125#(<= M1 j1)]) [2021-03-26 05:59:15,354 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is not cut-off event [2021-03-26 05:59:15,354 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is not cut-off event [2021-03-26 05:59:15,354 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is not cut-off event [2021-03-26 05:59:15,354 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2021-03-26 05:59:15,733 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([114] thread3EXIT-->L79: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar2_4) (= 3 v_thread3Thread1of1ForFork2_thidvar1_4) (= 3 v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][439], [256#(and (<= (* 2 C) counter) (<= counter (* 2 C))), Black: 642#(and (<= (+ i2 2) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 578#(and (<= (+ i2 1) M1) (= N2 N1) (= M1 N1)), 392#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 644#(and (<= (+ i2 1) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 638#(and (<= (+ i2 1) M1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 575#(and (= N2 N1) (<= i2 j1) (= M1 N1)), 651#true, Black: 400#(and (= M1 N2) (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 384#(and (= M1 N2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 386#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), 24#L79true, Black: 388#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1)), Black: 404#(and (= M1 N2) (<= j2 i1) (<= N1 M2) (<= (+ j1 1) N2)), Black: 394#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= N1 M2) (<= (+ j1 1) N2)), Black: 396#(and (= M1 N2) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 380#(and (= M1 N2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (< (+ j2 1) M2) (= N2 N1) (<= (+ j2 1) i1)), Black: 316#(and (= M1 N2) (<= (+ j1 1) N2)), Black: 382#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 33#thread4EXITtrue, 426#(<= M1 j1), 563#(and (= M1 N2) (<= M1 j1) (<= i2 j1)), Black: 254#(and (<= counter 0) (<= 0 counter)), Black: 51#(= counter 0), Black: 561#(and (= M1 N2) (<= M1 (+ j1 1)) (<= i2 (+ j1 1))), Black: 182#(and (<= (+ j1 1) N1) (<= j1 i1) (= M1 N1)), Black: 500#(and (= M1 N2) (<= i2 j1)), 185#true, 57#(<= N1 i1), Black: 501#(and (= M1 N2) (<= i2 (+ j1 1))), Black: 565#(and (= M1 N2) (<= M1 j1) (<= i2 (+ j1 1))), 572#true, Black: 56#(and (<= j2 i1) (= M2 N1)), 63#true, Black: 484#(and (= M1 N2) (<= N2 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1))), Black: 486#(and (= M1 N2) (= N2 N1) (<= i1 j1)), Black: 736#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 423#(and (= M1 N2) (= N2 N1) (<= i1 (+ j1 1))), Black: 738#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 (+ j1 1)) (<= M1 N1) (<= (+ j2 1) j1)), Black: 488#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 j1)), Black: 490#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 (+ j1 1))), Black: 740#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 742#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= (+ j2 1) M1)), Black: 240#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 112#(and (<= j2 i1) (= M2 N1) (<= (+ j2 1) N1)), Black: 744#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 746#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1)), Black: 187#(and (= i2 i1) (= N2 N1)), Black: 65#(and (= j2 i1) (= M2 N1)), Black: 748#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 654#(and (= M1 N2) (= M2 N2) (<= j2 j1)), Black: 720#(and (= M1 N2) (= M2 N2) (<= (+ j2 1) M1) (<= (+ j2 1) j1)), Black: 722#(and (= M1 N2) (= M2 N2) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), 247#(<= N1 i1), Black: 724#(and (= M1 N2) (= M2 N2) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 119#(and (<= (+ i1 1) M1) (= M1 N1)), Black: 726#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 728#(and (= M1 N2) (= M2 N2) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 246#(and (= i2 i1) (= N2 N1)), Black: 730#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (< i1 N1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 732#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= (+ j2 1) j1)), 125#(<= M1 j1)]) [2021-03-26 05:59:15,733 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is not cut-off event [2021-03-26 05:59:15,733 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-03-26 05:59:15,733 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-03-26 05:59:15,733 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2021-03-26 05:59:16,499 INFO L129 PetriNetUnfolder]: 29994/63560 cut-off events. [2021-03-26 05:59:16,500 INFO L130 PetriNetUnfolder]: For 1936427/1969717 co-relation queries the response was YES. [2021-03-26 05:59:17,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 536662 conditions, 63560 events. 29994/63560 cut-off events. For 1936427/1969717 co-relation queries the response was YES. Maximal size of possible extension queue 6080. Compared 794916 event pairs, 2922 based on Foata normal form. 2111/63416 useless extension candidates. Maximal degree in co-relation 522568. Up to 18526 conditions per place. [2021-03-26 05:59:18,092 INFO L142 LiptonReduction]: Number of co-enabled transitions 12408 [2021-03-26 05:59:18,557 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 05:59:18,558 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 05:59:18,558 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17268 [2021-03-26 05:59:18,558 INFO L480 AbstractCegarLoop]: Abstraction has has 149 places, 1913 transitions, 37885 flow [2021-03-26 05:59:18,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 25.0) internal successors, (250), 10 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 05:59:18,558 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 05:59:18,558 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 05:59:18,760 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 05:59:18,761 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 05:59:18,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 05:59:18,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1336095124, now seen corresponding path program 7 times [2021-03-26 05:59:18,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 05:59:18,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443838882] [2021-03-26 05:59:18,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 05:59:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:59:18,788 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 05:59:18,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:59:18,793 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 05:59:18,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:59:18,799 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 05:59:18,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:59:18,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,818 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 05:59:18,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443838882] [2021-03-26 05:59:18,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486363690] [2021-03-26 05:59:18,818 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 05:59:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 05:59:18,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 05:59:18,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 05:59:18,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:59:18,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:59:18,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:59:18,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:59:18,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:59:18,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:59:18,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:59:18,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:59:18,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:59:18,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:59:18,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 05:59:18,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:59:18,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:59:18,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 05:59:18,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:59:18,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:59:18,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:59:18,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:59:18,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:59:18,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:59:18,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:59:18,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:59:18,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:59:18,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 05:59:18,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:59:18,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:59:18,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 05:59:18,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:59:18,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:59:18,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 05:59:18,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:59:18,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 05:59:18,894 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 05:59:18,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:59:18,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 05:59:18,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 05:59:18,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 05:59:18,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 05:59:18,908 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 05:59:18,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 05:59:18,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 05:59:18,917 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 05:59:18,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 05:59:18,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-03-26 05:59:18,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313211920] [2021-03-26 05:59:18,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 05:59:18,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 05:59:18,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 05:59:18,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-26 05:59:18,919 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 49 [2021-03-26 05:59:18,920 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 1913 transitions, 37885 flow. Second operand has 8 states, 8 states have (on average 33.25) internal successors, (266), 8 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 05:59:18,920 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 05:59:18,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 49 [2021-03-26 05:59:18,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 05:59:56,332 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L47-1-->L47-1: Formula: (and (= (+ v_j1_11 1) v_j1_10) (< v_j1_11 v_M1_6) (= v_counter_49 (+ v_counter_50 v_C_22))) InVars {counter=v_counter_50, j1=v_j1_11, M1=v_M1_6, C=v_C_22} OutVars{counter=v_counter_49, j1=v_j1_10, M1=v_M1_6, C=v_C_22} AuxVars[] AssignedVars[counter, j1][447], [Black: 642#(and (<= (+ i2 2) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 578#(and (<= (+ i2 1) M1) (= N2 N1) (= M1 N1)), Black: 644#(and (<= (+ i2 1) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 638#(and (<= (+ i2 1) M1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 575#(and (= N2 N1) (<= i2 j1) (= M1 N1)), 11#thread2EXITtrue, 651#true, 14#thread1EXITtrue, 18#L76true, Black: 400#(and (= M1 N2) (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 384#(and (= M1 N2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 386#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 388#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1)), Black: 404#(and (= M1 N2) (<= j2 i1) (<= N1 M2) (<= (+ j1 1) N2)), Black: 392#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 394#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= N1 M2) (<= (+ j1 1) N2)), Black: 396#(and (= M1 N2) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 380#(and (= M1 N2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (< (+ j2 1) M2) (= N2 N1) (<= (+ j2 1) i1)), Black: 316#(and (= M1 N2) (<= (+ j1 1) N2)), Black: 382#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 33#thread4EXITtrue, 420#true, 38#L47-1true, Black: 254#(and (<= counter 0) (<= 0 counter)), Black: 51#(= counter 0), Black: 561#(and (= M1 N2) (<= M1 (+ j1 1)) (<= i2 (+ j1 1))), Black: 563#(and (= M1 N2) (<= M1 j1) (<= i2 j1)), Black: 182#(and (<= (+ j1 1) N1) (<= j1 i1) (= M1 N1)), Black: 500#(and (= M1 N2) (<= i2 j1)), 185#true, 57#(<= N1 i1), Black: 501#(and (= M1 N2) (<= i2 (+ j1 1))), Black: 565#(and (= M1 N2) (<= M1 j1) (<= i2 (+ j1 1))), 572#true, Black: 56#(and (<= j2 i1) (= M2 N1)), 830#(and (<= N1 i1) (<= i2 i1) (= N2 N1)), 63#true, 320#(and (<= j2 i1) (<= N1 M2)), Black: 484#(and (= M1 N2) (<= N2 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1))), Black: 486#(and (= M1 N2) (= N2 N1) (<= i1 j1)), Black: 423#(and (= M1 N2) (= N2 N1) (<= i1 (+ j1 1))), Black: 736#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 488#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 j1)), Black: 738#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 (+ j1 1)) (<= M1 N1) (<= (+ j2 1) j1)), Black: 490#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 (+ j1 1))), Black: 740#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), 497#true, Black: 742#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= (+ j2 1) M1)), Black: 240#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 744#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 112#(and (<= j2 i1) (= M2 N1) (<= (+ j2 1) N1)), Black: 187#(and (= i2 i1) (= N2 N1)), Black: 65#(and (= j2 i1) (= M2 N1)), Black: 746#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1)), Black: 748#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 654#(and (= M1 N2) (= M2 N2) (<= j2 j1)), Black: 720#(and (= M1 N2) (= M2 N2) (<= (+ j2 1) M1) (<= (+ j2 1) j1)), 247#(<= N1 i1), Black: 722#(and (= M1 N2) (= M2 N2) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 724#(and (= M1 N2) (= M2 N2) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 726#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 119#(and (<= (+ i1 1) M1) (= M1 N1)), 122#true, Black: 728#(and (= M1 N2) (= M2 N2) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 246#(and (= i2 i1) (= N2 N1)), Black: 730#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (< i1 N1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), 252#true, Black: 732#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= (+ j2 1) j1))]) [2021-03-26 05:59:56,333 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-03-26 05:59:56,333 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 05:59:56,333 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 05:59:56,333 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 06:00:14,030 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L58-1-->thread4EXIT: Formula: (not (< v_j2_14 v_M2_8)) InVars {j2=v_j2_14, M2=v_M2_8} OutVars{j2=v_j2_14, M2=v_M2_8} AuxVars[] AssignedVars[][136], [770#(<= N1 i1), 4#L35-1true, 644#(and (<= (+ i2 1) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 642#(and (<= (+ i2 2) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 578#(and (<= (+ i2 1) M1) (= N2 N1) (= M1 N1)), Black: 638#(and (<= (+ i2 1) M1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 575#(and (= N2 N1) (<= i2 j1) (= M1 N1)), 651#true, 14#thread1EXITtrue, 18#L76true, Black: 400#(and (= M1 N2) (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 384#(and (= M1 N2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 386#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 388#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1)), Black: 404#(and (= M1 N2) (<= j2 i1) (<= N1 M2) (<= (+ j1 1) N2)), 27#thread3EXITtrue, Black: 392#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 394#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= N1 M2) (<= (+ j1 1) N2)), Black: 396#(and (= M1 N2) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 380#(and (= M1 N2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (< (+ j2 1) M2) (= N2 N1) (<= (+ j2 1) i1)), Black: 316#(and (= M1 N2) (<= (+ j1 1) N2)), Black: 382#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 33#thread4EXITtrue, 426#(<= M1 j1), 563#(and (= M1 N2) (<= M1 j1) (<= i2 j1)), Black: 51#(= counter 0), 310#true, Black: 561#(and (= M1 N2) (<= M1 (+ j1 1)) (<= i2 (+ j1 1))), Black: 182#(and (<= (+ j1 1) N1) (<= j1 i1) (= M1 N1)), 185#true, Black: 500#(and (= M1 N2) (<= i2 j1)), 57#(<= N1 i1), Black: 501#(and (= M1 N2) (<= i2 (+ j1 1))), Black: 565#(and (= M1 N2) (<= M1 j1) (<= i2 (+ j1 1))), Black: 56#(and (<= j2 i1) (= M2 N1)), 63#true, Black: 484#(and (= M1 N2) (<= N2 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1))), Black: 486#(and (= M1 N2) (= N2 N1) (<= i1 j1)), Black: 736#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 423#(and (= M1 N2) (= N2 N1) (<= i1 (+ j1 1))), Black: 738#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 (+ j1 1)) (<= M1 N1) (<= (+ j2 1) j1)), Black: 488#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 j1)), Black: 490#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 (+ j1 1))), Black: 740#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 742#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= (+ j2 1) M1)), Black: 240#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 112#(and (<= j2 i1) (= M2 N1) (<= (+ j2 1) N1)), Black: 744#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 187#(and (= i2 i1) (= N2 N1)), Black: 65#(and (= j2 i1) (= M2 N1)), Black: 746#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1)), Black: 748#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 654#(and (= M1 N2) (= M2 N2) (<= j2 j1)), Black: 720#(and (= M1 N2) (= M2 N2) (<= (+ j2 1) M1) (<= (+ j2 1) j1)), Black: 722#(and (= M1 N2) (= M2 N2) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), 247#(<= N1 i1), Black: 724#(and (= M1 N2) (= M2 N2) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 119#(and (<= (+ i1 1) M1) (= M1 N1)), Black: 726#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 728#(and (= M1 N2) (= M2 N2) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 246#(and (= i2 i1) (= N2 N1)), Black: 730#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (< i1 N1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 732#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= (+ j2 1) j1)), 125#(<= M1 j1), 254#(and (<= counter 0) (<= 0 counter))]) [2021-03-26 06:00:14,031 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-03-26 06:00:14,031 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 06:00:14,031 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 06:00:14,031 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 06:00:19,337 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L58-1-->thread4EXIT: Formula: (not (< v_j2_14 v_M2_8)) InVars {j2=v_j2_14, M2=v_M2_8} OutVars{j2=v_j2_14, M2=v_M2_8} AuxVars[] AssignedVars[][136], [770#(<= N1 i1), 644#(and (<= (+ i2 1) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 642#(and (<= (+ i2 2) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 578#(and (<= (+ i2 1) M1) (= N2 N1) (= M1 N1)), Black: 638#(and (<= (+ i2 1) M1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 575#(and (= N2 N1) (<= i2 j1) (= M1 N1)), 651#true, 11#thread2EXITtrue, 14#thread1EXITtrue, 18#L76true, Black: 400#(and (= M1 N2) (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 384#(and (= M1 N2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 386#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 388#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1)), Black: 404#(and (= M1 N2) (<= j2 i1) (<= N1 M2) (<= (+ j1 1) N2)), Black: 392#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 27#thread3EXITtrue, Black: 394#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= N1 M2) (<= (+ j1 1) N2)), Black: 396#(and (= M1 N2) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 380#(and (= M1 N2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (< (+ j2 1) M2) (= N2 N1) (<= (+ j2 1) i1)), Black: 316#(and (= M1 N2) (<= (+ j1 1) N2)), Black: 382#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 33#thread4EXITtrue, 426#(<= M1 j1), 563#(and (= M1 N2) (<= M1 j1) (<= i2 j1)), Black: 51#(= counter 0), 310#true, Black: 561#(and (= M1 N2) (<= M1 (+ j1 1)) (<= i2 (+ j1 1))), Black: 182#(and (<= (+ j1 1) N1) (<= j1 i1) (= M1 N1)), 57#(<= N1 i1), 185#true, Black: 500#(and (= M1 N2) (<= i2 j1)), Black: 501#(and (= M1 N2) (<= i2 (+ j1 1))), Black: 565#(and (= M1 N2) (<= M1 j1) (<= i2 (+ j1 1))), Black: 56#(and (<= j2 i1) (= M2 N1)), 63#true, Black: 484#(and (= M1 N2) (<= N2 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1))), Black: 486#(and (= M1 N2) (= N2 N1) (<= i1 j1)), Black: 736#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 423#(and (= M1 N2) (= N2 N1) (<= i1 (+ j1 1))), Black: 738#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 (+ j1 1)) (<= M1 N1) (<= (+ j2 1) j1)), Black: 488#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 j1)), Black: 740#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 490#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 (+ j1 1))), Black: 742#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= (+ j2 1) M1)), Black: 240#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 744#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 112#(and (<= j2 i1) (= M2 N1) (<= (+ j2 1) N1)), Black: 746#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1)), Black: 187#(and (= i2 i1) (= N2 N1)), Black: 65#(and (= j2 i1) (= M2 N1)), Black: 748#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 654#(and (= M1 N2) (= M2 N2) (<= j2 j1)), Black: 720#(and (= M1 N2) (= M2 N2) (<= (+ j2 1) M1) (<= (+ j2 1) j1)), 247#(<= N1 i1), Black: 722#(and (= M1 N2) (= M2 N2) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 724#(and (= M1 N2) (= M2 N2) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 119#(and (<= (+ i1 1) M1) (= M1 N1)), Black: 726#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 728#(and (= M1 N2) (= M2 N2) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 730#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (< i1 N1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 246#(and (= i2 i1) (= N2 N1)), Black: 732#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= (+ j2 1) j1)), 125#(<= M1 j1), 254#(and (<= counter 0) (<= 0 counter))]) [2021-03-26 06:00:19,337 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-03-26 06:00:19,337 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 06:00:19,337 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 06:00:19,337 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 06:00:25,099 INFO L129 PetriNetUnfolder]: 81946/165218 cut-off events. [2021-03-26 06:00:25,099 INFO L130 PetriNetUnfolder]: For 5254947/5323996 co-relation queries the response was YES. [2021-03-26 06:00:27,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1442302 conditions, 165218 events. 81946/165218 cut-off events. For 5254947/5323996 co-relation queries the response was YES. Maximal size of possible extension queue 14509. Compared 2179240 event pairs, 7439 based on Foata normal form. 11204/171750 useless extension candidates. Maximal degree in co-relation 1407411. Up to 46228 conditions per place. [2021-03-26 06:00:28,503 INFO L132 encePairwiseOnDemand]: 43/49 looper letters, 1102 selfloop transitions, 611 changer transitions 13/2869 dead transitions. [2021-03-26 06:00:28,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 2869 transitions, 55597 flow [2021-03-26 06:00:28,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 06:00:28,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 06:00:28,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 282 transitions. [2021-03-26 06:00:28,505 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7193877551020408 [2021-03-26 06:00:28,505 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 282 transitions. [2021-03-26 06:00:28,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 282 transitions. [2021-03-26 06:00:28,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:00:28,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 282 transitions. [2021-03-26 06:00:28,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 35.25) internal successors, (282), 8 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:00:28,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:00:28,507 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 49.0) internal successors, (441), 9 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:00:28,507 INFO L185 Difference]: Start difference. First operand has 149 places, 1913 transitions, 37885 flow. Second operand 8 states and 282 transitions. [2021-03-26 06:00:28,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 2869 transitions, 55597 flow [2021-03-26 06:02:30,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 2869 transitions, 50252 flow, removed 2609 selfloop flow, removed 3 redundant places. [2021-03-26 06:02:30,669 INFO L241 Difference]: Finished difference. Result has 157 places, 2467 transitions, 46048 flow [2021-03-26 06:02:30,671 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=33812, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1913, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46048, PETRI_PLACES=157, PETRI_TRANSITIONS=2467} [2021-03-26 06:02:30,671 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 129 predicate places. [2021-03-26 06:02:30,671 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:02:30,671 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 2467 transitions, 46048 flow [2021-03-26 06:02:30,671 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 2467 transitions, 46048 flow [2021-03-26 06:02:30,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 157 places, 2467 transitions, 46048 flow [2021-03-26 06:03:08,300 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L58-1-->thread4EXIT: Formula: (not (< v_j2_14 v_M2_8)) InVars {j2=v_j2_14, M2=v_M2_8} OutVars{j2=v_j2_14, M2=v_M2_8} AuxVars[] AssignedVars[][1035], [644#(and (<= (+ i2 1) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), 4#L35-1true, Black: 642#(and (<= (+ i2 2) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 578#(and (<= (+ i2 1) M1) (= N2 N1) (= M1 N1)), Black: 638#(and (<= (+ i2 1) M1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 575#(and (= N2 N1) (<= i2 j1) (= M1 N1)), 651#true, 14#thread1EXITtrue, 18#L76true, Black: 400#(and (= M1 N2) (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 384#(and (= M1 N2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 386#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 388#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1)), Black: 404#(and (= M1 N2) (<= j2 i1) (<= N1 M2) (<= (+ j1 1) N2)), 27#thread3EXITtrue, Black: 392#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 394#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= N1 M2) (<= (+ j1 1) N2)), Black: 396#(and (= M1 N2) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 380#(and (= M1 N2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (< (+ j2 1) M2) (= N2 N1) (<= (+ j2 1) i1)), Black: 316#(and (= M1 N2) (<= (+ j1 1) N2)), Black: 382#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 33#thread4EXITtrue, 426#(<= M1 j1), 563#(and (= M1 N2) (<= M1 j1) (<= i2 j1)), 310#true, Black: 561#(and (= M1 N2) (<= M1 (+ j1 1)) (<= i2 (+ j1 1))), Black: 182#(and (<= (+ j1 1) N1) (<= j1 i1) (= M1 N1)), 57#(<= N1 i1), Black: 500#(and (= M1 N2) (<= i2 j1)), 185#true, Black: 501#(and (= M1 N2) (<= i2 (+ j1 1))), Black: 565#(and (= M1 N2) (<= M1 j1) (<= i2 (+ j1 1))), 828#(and (<= N1 i1) (= N2 N1) (<= (+ i2 1) i1)), Black: 56#(and (<= j2 i1) (= M2 N1)), 63#true, Black: 768#(and (= N2 N1) (<= (+ i2 1) i1)), Black: 769#(and (<= i2 i1) (= N2 N1)), Black: 830#(and (<= N1 i1) (<= i2 i1) (= N2 N1)), Black: 486#(and (= M1 N2) (= N2 N1) (<= i1 j1)), Black: 736#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 423#(and (= M1 N2) (= N2 N1) (<= i1 (+ j1 1))), Black: 738#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 (+ j1 1)) (<= M1 N1) (<= (+ j2 1) j1)), Black: 488#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 j1)), Black: 740#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 490#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 (+ j1 1))), Black: 742#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= (+ j2 1) M1)), Black: 112#(and (<= j2 i1) (= M2 N1) (<= (+ j2 1) N1)), Black: 744#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 240#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 746#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1)), Black: 187#(and (= i2 i1) (= N2 N1)), Black: 65#(and (= j2 i1) (= M2 N1)), Black: 748#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 654#(and (= M1 N2) (= M2 N2) (<= j2 j1)), Black: 720#(and (= M1 N2) (= M2 N2) (<= (+ j2 1) M1) (<= (+ j2 1) j1)), Black: 722#(and (= M1 N2) (= M2 N2) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), 247#(<= N1 i1), Black: 724#(and (= M1 N2) (= M2 N2) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 119#(and (<= (+ i1 1) M1) (= M1 N1)), Black: 726#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 728#(and (= M1 N2) (= M2 N2) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 730#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (< i1 N1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 246#(and (= i2 i1) (= N2 N1)), Black: 732#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= (+ j2 1) j1)), 125#(<= M1 j1), 254#(and (<= counter 0) (<= 0 counter))]) [2021-03-26 06:03:08,300 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-03-26 06:03:08,300 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 06:03:08,300 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-26 06:03:08,300 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 06:03:09,765 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L58-1-->thread4EXIT: Formula: (not (< v_j2_14 v_M2_8)) InVars {j2=v_j2_14, M2=v_M2_8} OutVars{j2=v_j2_14, M2=v_M2_8} AuxVars[] AssignedVars[][1035], [770#(<= N1 i1), Black: 642#(and (<= (+ i2 2) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 578#(and (<= (+ i2 1) M1) (= N2 N1) (= M1 N1)), Black: 644#(and (<= (+ i2 1) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 638#(and (<= (+ i2 1) M1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 575#(and (= N2 N1) (<= i2 j1) (= M1 N1)), 11#thread2EXITtrue, 651#true, 14#thread1EXITtrue, 18#L76true, Black: 400#(and (= M1 N2) (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 384#(and (= M1 N2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 386#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 388#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1)), Black: 404#(and (= M1 N2) (<= j2 i1) (<= N1 M2) (<= (+ j1 1) N2)), 27#thread3EXITtrue, Black: 392#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 394#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= N1 M2) (<= (+ j1 1) N2)), Black: 396#(and (= M1 N2) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 380#(and (= M1 N2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (< (+ j2 1) M2) (= N2 N1) (<= (+ j2 1) i1)), Black: 316#(and (= M1 N2) (<= (+ j1 1) N2)), Black: 382#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 33#thread4EXITtrue, 426#(<= M1 j1), 563#(and (= M1 N2) (<= M1 j1) (<= i2 j1)), 310#true, Black: 561#(and (= M1 N2) (<= M1 (+ j1 1)) (<= i2 (+ j1 1))), Black: 182#(and (<= (+ j1 1) N1) (<= j1 i1) (= M1 N1)), 57#(<= N1 i1), 185#true, Black: 500#(and (= M1 N2) (<= i2 j1)), Black: 501#(and (= M1 N2) (<= i2 (+ j1 1))), Black: 565#(and (= M1 N2) (<= M1 j1) (<= i2 (+ j1 1))), 572#true, Black: 56#(and (<= j2 i1) (= M2 N1)), 63#true, Black: 768#(and (= N2 N1) (<= (+ i2 1) i1)), Black: 769#(and (<= i2 i1) (= N2 N1)), Black: 828#(and (<= N1 i1) (= N2 N1) (<= (+ i2 1) i1)), Black: 830#(and (<= N1 i1) (<= i2 i1) (= N2 N1)), Black: 486#(and (= M1 N2) (= N2 N1) (<= i1 j1)), Black: 736#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 423#(and (= M1 N2) (= N2 N1) (<= i1 (+ j1 1))), Black: 738#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 (+ j1 1)) (<= M1 N1) (<= (+ j2 1) j1)), Black: 488#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 j1)), Black: 740#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 490#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 (+ j1 1))), Black: 742#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= (+ j2 1) M1)), Black: 112#(and (<= j2 i1) (= M2 N1) (<= (+ j2 1) N1)), Black: 744#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 240#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 746#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1)), Black: 187#(and (= i2 i1) (= N2 N1)), Black: 65#(and (= j2 i1) (= M2 N1)), Black: 748#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 654#(and (= M1 N2) (= M2 N2) (<= j2 j1)), Black: 720#(and (= M1 N2) (= M2 N2) (<= (+ j2 1) M1) (<= (+ j2 1) j1)), Black: 722#(and (= M1 N2) (= M2 N2) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), 247#(<= N1 i1), Black: 724#(and (= M1 N2) (= M2 N2) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 726#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 119#(and (<= (+ i1 1) M1) (= M1 N1)), Black: 728#(and (= M1 N2) (= M2 N2) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 730#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (< i1 N1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 246#(and (= i2 i1) (= N2 N1)), Black: 732#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= (+ j2 1) j1)), 125#(<= M1 j1), 254#(and (<= counter 0) (<= 0 counter))]) [2021-03-26 06:03:09,765 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-03-26 06:03:09,765 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-03-26 06:03:09,765 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 06:03:09,765 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-03-26 06:03:17,660 INFO L129 PetriNetUnfolder]: 71122/145348 cut-off events. [2021-03-26 06:03:17,660 INFO L130 PetriNetUnfolder]: For 4866531/4943769 co-relation queries the response was YES. [2021-03-26 06:03:19,760 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1299833 conditions, 145348 events. 71122/145348 cut-off events. For 4866531/4943769 co-relation queries the response was YES. Maximal size of possible extension queue 13540. Compared 1934539 event pairs, 6413 based on Foata normal form. 7212/147807 useless extension candidates. Maximal degree in co-relation 1269127. Up to 43182 conditions per place. [2021-03-26 06:03:21,612 INFO L142 LiptonReduction]: Number of co-enabled transitions 16504 [2021-03-26 06:03:22,430 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:03:22,431 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:03:22,431 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51760 [2021-03-26 06:03:22,432 INFO L480 AbstractCegarLoop]: Abstraction has has 157 places, 2467 transitions, 46048 flow [2021-03-26 06:03:22,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 33.25) internal successors, (266), 8 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:03:22,432 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:03:22,432 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 06:03:22,639 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-26 06:03:22,640 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:03:22,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:03:22,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1128445754, now seen corresponding path program 8 times [2021-03-26 06:03:22,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:03:22,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529510884] [2021-03-26 06:03:22,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:03:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:03:22,653 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 06:03:22,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:03:22,659 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-26 06:03:22,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:03:22,666 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-26 06:03:22,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:03:22,673 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:03:22,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,680 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-03-26 06:03:22,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 06:03:22,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529510884] [2021-03-26 06:03:22,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712605868] [2021-03-26 06:03:22,682 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:03:22,724 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 06:03:22,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:03:22,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:03:22,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:03:22,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:03:22,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:03:22,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:03:22,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:03:22,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:03:22,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:03:22,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:03:22,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:03:22,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:03:22,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:03:22,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:03:22,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:03:22,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:03:22,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:03:22,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:03:22,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:03:22,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:03:22,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:03:22,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:03:22,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 06:03:22,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 06:03:22,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:03:22,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:03:22,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:03:22,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:03:22,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:03:22,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:03:22,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:03:22,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:03:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-26 06:03:22,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:03:22,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-26 06:03:22,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038272060] [2021-03-26 06:03:22,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 06:03:22,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:03:22,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 06:03:22,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-26 06:03:22,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 49 [2021-03-26 06:03:22,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 2467 transitions, 46048 flow. Second operand has 9 states, 9 states have (on average 28.77777777777778) internal successors, (259), 9 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:03:22,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:03:22,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 49 [2021-03-26 06:03:22,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:04:46,419 INFO L129 PetriNetUnfolder]: 91996/171257 cut-off events. [2021-03-26 06:04:46,419 INFO L130 PetriNetUnfolder]: For 6629772/6668275 co-relation queries the response was YES. [2021-03-26 06:04:48,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1674009 conditions, 171257 events. 91996/171257 cut-off events. For 6629772/6668275 co-relation queries the response was YES. Maximal size of possible extension queue 13924. Compared 2082210 event pairs, 6500 based on Foata normal form. 9996/179684 useless extension candidates. Maximal degree in co-relation 1645050. Up to 50876 conditions per place. [2021-03-26 06:04:49,819 INFO L132 encePairwiseOnDemand]: 41/49 looper letters, 1308 selfloop transitions, 2143 changer transitions 150/4421 dead transitions. [2021-03-26 06:04:49,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 4421 transitions, 82523 flow [2021-03-26 06:04:49,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 06:04:49,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 06:04:49,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 605 transitions. [2021-03-26 06:04:49,825 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6498388829215896 [2021-03-26 06:04:49,825 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 605 transitions. [2021-03-26 06:04:49,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 605 transitions. [2021-03-26 06:04:49,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 06:04:49,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 605 transitions. [2021-03-26 06:04:49,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.842105263157894) internal successors, (605), 19 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:04:49,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 49.0) internal successors, (980), 20 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:04:49,831 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 49.0) internal successors, (980), 20 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:04:49,831 INFO L185 Difference]: Start difference. First operand has 157 places, 2467 transitions, 46048 flow. Second operand 19 states and 605 transitions. [2021-03-26 06:04:49,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 4421 transitions, 82523 flow [2021-03-26 06:07:10,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 4421 transitions, 80940 flow, removed 767 selfloop flow, removed 1 redundant places. [2021-03-26 06:07:10,530 INFO L241 Difference]: Finished difference. Result has 186 places, 3618 transitions, 70066 flow [2021-03-26 06:07:10,531 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=44547, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1011, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=70066, PETRI_PLACES=186, PETRI_TRANSITIONS=3618} [2021-03-26 06:07:10,532 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 158 predicate places. [2021-03-26 06:07:10,532 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 06:07:10,532 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 186 places, 3618 transitions, 70066 flow [2021-03-26 06:07:10,532 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 186 places, 3618 transitions, 70066 flow [2021-03-26 06:07:10,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 186 places, 3618 transitions, 70066 flow [2021-03-26 06:07:53,448 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L58-1-->thread4EXIT: Formula: (not (< v_j2_14 v_M2_8)) InVars {j2=v_j2_14, M2=v_M2_8} OutVars{j2=v_j2_14, M2=v_M2_8} AuxVars[] AssignedVars[][1934], [4#L35-1true, 644#(and (<= (+ i2 1) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 642#(and (<= (+ i2 2) M1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 578#(and (<= (+ i2 1) M1) (= N2 N1) (= M1 N1)), Black: 638#(and (<= (+ i2 1) M1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 575#(and (= N2 N1) (<= i2 j1) (= M1 N1)), 651#true, 14#thread1EXITtrue, 18#L76true, Black: 400#(and (= M1 N2) (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 384#(and (= M1 N2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1) (<= (+ j1 1) N2)), Black: 386#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 388#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1)), Black: 404#(and (= M1 N2) (<= j2 i1) (<= N1 M2) (<= (+ j1 1) N2)), 27#thread3EXITtrue, Black: 392#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 394#(and (= M1 N2) (<= j2 i1) (< j2 M2) (<= N1 M2) (<= (+ j1 1) N2)), Black: 396#(and (= M1 N2) (< j2 M2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (= N2 N1) (<= (+ j2 1) i1)), Black: 912#(and (= M2 N2) (<= j2 i1) (<= i2 i1) (= N2 N1)), Black: 380#(and (= M1 N2) (<= (+ j1 1) i1) (<= N1 M2) (<= (+ j1 2) N1) (< (+ j2 1) M2) (= N2 N1) (<= (+ j2 1) i1)), Black: 914#(and (= M2 N2) (<= j2 i1) (< i2 N2) (= N2 N1) (<= (+ i2 1) i1)), Black: 316#(and (= M1 N2) (<= (+ j1 1) N2)), Black: 902#(and (= M2 N2) (< i2 N2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 382#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 839#(and (= M2 N2) (= N2 N1) (<= (+ j2 1) i1)), 33#thread4EXITtrue, Black: 920#(and (= M2 N2) (= N2 N1) (<= (+ j2 1) i1) (<= N2 i1)), Black: 840#(and (= M2 N2) (<= j2 i1) (= N2 N1)), Black: 904#(and (= M2 N2) (< i2 N2) (= N2 N1) (<= (+ j2 1) i1) (<= N2 i1)), Black: 906#(and (= M2 N2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 922#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 924#(and (= M2 N2) (<= j2 i1) (= N2 N1) (<= N2 i1)), Black: 910#(and (= M2 N2) (<= j2 i1) (< i2 N2) (= N2 N1) (<= N2 i1)), 426#(<= M1 j1), 563#(and (= M1 N2) (<= M1 j1) (<= i2 j1)), 310#true, Black: 561#(and (= M1 N2) (<= M1 (+ j1 1)) (<= i2 (+ j1 1))), Black: 182#(and (<= (+ j1 1) N1) (<= j1 i1) (= M1 N1)), 185#true, 57#(<= N1 i1), Black: 500#(and (= M1 N2) (<= i2 j1)), Black: 501#(and (= M1 N2) (<= i2 (+ j1 1))), Black: 565#(and (= M1 N2) (<= M1 j1) (<= i2 (+ j1 1))), Black: 56#(and (<= j2 i1) (= M2 N1)), 830#(and (<= N1 i1) (<= i2 i1) (= N2 N1)), 63#true, Black: 768#(and (= N2 N1) (<= (+ i2 1) i1)), Black: 769#(and (<= i2 i1) (= N2 N1)), Black: 828#(and (<= N1 i1) (= N2 N1) (<= (+ i2 1) i1)), 845#(and (<= N1 N2) (<= i2 i1)), Black: 486#(and (= M1 N2) (= N2 N1) (<= i1 j1)), Black: 423#(and (= M1 N2) (= N2 N1) (<= i1 (+ j1 1))), Black: 736#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 488#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 j1)), Black: 738#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= i1 (+ j1 1)) (<= M1 N1) (<= (+ j2 1) j1)), Black: 490#(and (= M1 N2) (<= M1 j1) (= N2 N1) (<= i1 (+ j1 1))), Black: 740#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 742#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= (+ j2 1) M1)), Black: 240#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 744#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1)), Black: 112#(and (<= j2 i1) (= M2 N1) (<= (+ j2 1) N1)), Black: 65#(and (= j2 i1) (= M2 N1)), Black: 746#(and (= M1 N2) (= M2 N2) (<= j2 j1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1)), Black: 187#(and (= i2 i1) (= N2 N1)), Black: 748#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 654#(and (= M1 N2) (= M2 N2) (<= j2 j1)), Black: 720#(and (= M1 N2) (= M2 N2) (<= (+ j2 1) M1) (<= (+ j2 1) j1)), 247#(<= N1 i1), Black: 722#(and (= M1 N2) (= M2 N2) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 724#(and (= M1 N2) (= M2 N2) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 119#(and (<= (+ i1 1) M1) (= M1 N1)), Black: 726#(and (= M1 N2) (= M2 N2) (<= j2 j1) (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 728#(and (= M1 N2) (= M2 N2) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 246#(and (= i2 i1) (= N2 N1)), Black: 730#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (< i1 N1) (<= i1 j1) (<= M1 N1) (<= (+ j2 1) j1)), Black: 732#(and (= M1 N2) (= M2 N2) (<= (+ j2 2) M1) (<= (+ j2 1) j1)), 125#(<= M1 j1), 254#(and (<= counter 0) (<= 0 counter))]) [2021-03-26 06:07:53,448 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-03-26 06:07:53,448 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-26 06:07:53,448 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-26 06:07:53,448 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-26 06:08:08,440 INFO L129 PetriNetUnfolder]: 69716/140129 cut-off events. [2021-03-26 06:08:08,441 INFO L130 PetriNetUnfolder]: For 5898244/5954688 co-relation queries the response was YES. [2021-03-26 06:08:11,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1427834 conditions, 140129 events. 69716/140129 cut-off events. For 5898244/5954688 co-relation queries the response was YES. Maximal size of possible extension queue 13086. Compared 1831855 event pairs, 5874 based on Foata normal form. 4475/141158 useless extension candidates. Maximal degree in co-relation 1401442. Up to 43866 conditions per place. [2021-03-26 06:08:13,977 INFO L142 LiptonReduction]: Number of co-enabled transitions 17838 [2021-03-26 06:08:15,716 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 06:08:15,717 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 06:08:15,717 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 65185 [2021-03-26 06:08:15,717 INFO L480 AbstractCegarLoop]: Abstraction has has 186 places, 3618 transitions, 70066 flow [2021-03-26 06:08:15,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 28.77777777777778) internal successors, (259), 9 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:08:15,718 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 06:08:15,718 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 06:08:15,927 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-26 06:08:15,928 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 06:08:15,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 06:08:15,929 INFO L82 PathProgramCache]: Analyzing trace with hash -582985050, now seen corresponding path program 9 times [2021-03-26 06:08:15,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 06:08:15,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086134134] [2021-03-26 06:08:15,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 06:08:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 06:08:15,939 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 06:08:15,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:15,944 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-26 06:08:15,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:08:15,949 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 06:08:15,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:15,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:15,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:15,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:15,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:15,961 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 06:08:15,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086134134] [2021-03-26 06:08:15,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188763590] [2021-03-26 06:08:15,961 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 06:08:16,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-26 06:08:16,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 06:08:16,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 06:08:16,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 06:08:16,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:08:16,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:08:16,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:08:16,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:08:16,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:08:16,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 06:08:16,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:08:16,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 06:08:16,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:08:16,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:08:16,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:08:16,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:08:16,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:08:16,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 06:08:16,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 06:08:16,050 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 06:08:16,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:08:16,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 06:08:16,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 06:08:16,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 06:08:16,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 06:08:16,066 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 06:08:16,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 06:08:16,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 06:08:16,075 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 06:08:16,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 06:08:16,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-03-26 06:08:16,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676785620] [2021-03-26 06:08:16,075 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 06:08:16,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 06:08:16,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 06:08:16,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-26 06:08:16,076 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 49 [2021-03-26 06:08:16,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 3618 transitions, 70066 flow. Second operand has 8 states, 8 states have (on average 33.25) internal successors, (266), 8 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 06:08:16,077 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 06:08:16,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 49 [2021-03-26 06:08:16,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 06:10:40,972 INFO L129 PetriNetUnfolder]: 100744/206480 cut-off events. [2021-03-26 06:10:40,972 INFO L130 PetriNetUnfolder]: For 8656745/8713233 co-relation queries the response was YES. [2021-03-26 06:10:44,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2147517 conditions, 206480 events. 100744/206480 cut-off events. For 8656745/8713233 co-relation queries the response was YES. Maximal size of possible extension queue 18158. Compared 2843832 event pairs, 8208 based on Foata normal form. 6958/209010 useless extension candidates. Maximal degree in co-relation 2106317. Up to 63860 conditions per place. Received shutdown request... [2021-03-26 06:10:45,253 INFO L132 encePairwiseOnDemand]: 43/49 looper letters, 2612 selfloop transitions, 818 changer transitions 3/5013 dead transitions. [2021-03-26 06:10:45,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 5013 transitions, 106807 flow [2021-03-26 06:10:45,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 06:10:45,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 06:10:45,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-26 06:10:45,456 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 06:10:45,459 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 06:10:45,460 INFO L202 PluginConnector]: Adding new model mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 06:10:45 BasicIcfg [2021-03-26 06:10:45,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 06:10:45,460 INFO L168 Benchmark]: Toolchain (without parser) took 761976.04 ms. Allocated memory was 255.9 MB in the beginning and 15.9 GB in the end (delta: 15.7 GB). Free memory was 236.6 MB in the beginning and 8.9 GB in the end (delta: -8.7 GB). Peak memory consumption was 7.2 GB. Max. memory is 16.0 GB. [2021-03-26 06:10:45,460 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 06:10:45,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.19 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 06:10:45,460 INFO L168 Benchmark]: Boogie Preprocessor took 23.44 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 234.0 MB in the end (delta: 911.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 06:10:45,461 INFO L168 Benchmark]: RCFGBuilder took 353.11 ms. Allocated memory is still 255.9 MB. Free memory was 234.0 MB in the beginning and 234.9 MB in the end (delta: -902.0 kB). Peak memory consumption was 20.3 MB. Max. memory is 16.0 GB. [2021-03-26 06:10:45,461 INFO L168 Benchmark]: TraceAbstraction took 761565.13 ms. Allocated memory was 255.9 MB in the beginning and 15.9 GB in the end (delta: 15.7 GB). Free memory was 234.9 MB in the beginning and 8.9 GB in the end (delta: -8.7 GB). Peak memory consumption was 7.2 GB. Max. memory is 16.0 GB. [2021-03-26 06:10:45,461 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 0.18 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.19 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 23.44 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 234.0 MB in the end (delta: 911.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 353.11 ms. Allocated memory is still 255.9 MB. Free memory was 234.0 MB in the beginning and 234.9 MB in the end (delta: -902.0 kB). Peak memory consumption was 20.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 761565.13 ms. Allocated memory was 255.9 MB in the beginning and 15.9 GB in the end (delta: 15.7 GB). Free memory was 234.9 MB in the beginning and 8.9 GB in the end (delta: -8.7 GB). Peak memory consumption was 7.2 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 333.4ms, 39 PlacesBefore, 28 PlacesAfterwards, 30 TransitionsBefore, 19 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: 71.7ms, 23 PlacesBefore, 22 PlacesAfterwards, 21 TransitionsBefore, 20 TransitionsAfterwards, 108 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.4ms, 27 PlacesBefore, 27 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 138 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.1ms, 32 PlacesBefore, 32 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.1ms, 36 PlacesBefore, 36 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 166 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.4ms, 39 PlacesBefore, 38 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.7ms, 41 PlacesBefore, 41 PlacesAfterwards, 28 TransitionsBefore, 28 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: 36.1ms, 44 PlacesBefore, 44 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.0ms, 49 PlacesBefore, 49 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 202 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.6ms, 52 PlacesBefore, 52 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 532 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 283.0ms, 81 PlacesBefore, 80 PlacesAfterwards, 219 TransitionsBefore, 219 TransitionsAfterwards, 1446 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 572.0ms, 91 PlacesBefore, 91 PlacesAfterwards, 306 TransitionsBefore, 306 TransitionsAfterwards, 2006 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1378.7ms, 102 PlacesBefore, 102 PlacesAfterwards, 419 TransitionsBefore, 419 TransitionsAfterwards, 3970 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2552.4ms, 114 PlacesBefore, 114 PlacesAfterwards, 600 TransitionsBefore, 600 TransitionsAfterwards, 5220 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17266.8ms, 149 PlacesBefore, 149 PlacesAfterwards, 1913 TransitionsBefore, 1913 TransitionsAfterwards, 12408 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51759.5ms, 157 PlacesBefore, 157 PlacesAfterwards, 2467 TransitionsBefore, 2467 TransitionsAfterwards, 16504 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 65184.9ms, 186 PlacesBefore, 186 PlacesAfterwards, 3618 TransitionsBefore, 3618 TransitionsAfterwards, 17838 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 82). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type AutomatonWithImplicitSelfloops). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 9.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 761485.1ms, OverallIterations: 17, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 616546.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 406.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 47 SDtfs, 327 SDslu, 79 SDs, 0 SdLazy, 1087 SolverSat, 233 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 698.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 350 GetRequests, 196 SyntacticMatches, 5 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 1409.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=70066occurred in iteration=16, InterpolantAutomatonStates: 134, 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: 89.0ms SsaConstructionTime, 269.3ms SatisfiabilityAnalysisTime, 1904.8ms InterpolantComputationTime, 514 NumberOfCodeBlocks, 511 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 485 ConstructedInterpolants, 0 QuantifiedInterpolants, 2200 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1025 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 29 InterpolantComputations, 5 PerfectInterpolantSequences, 76/122 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