/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 14:22:14,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 14:22:14,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 14:22:14,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 14:22:14,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 14:22:14,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 14:22:14,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 14:22:14,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 14:22:14,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 14:22:14,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 14:22:14,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 14:22:14,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 14:22:14,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 14:22:14,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 14:22:14,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 14:22:14,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 14:22:14,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 14:22:14,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 14:22:14,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 14:22:14,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 14:22:14,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 14:22:14,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 14:22:14,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 14:22:14,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 14:22:14,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 14:22:14,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 14:22:14,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 14:22:14,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 14:22:14,887 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 14:22:14,917 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 14:22:14,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 14:22:14,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 14:22:14,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 14:22:14,921 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 14:22:14,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 14:22:14,921 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 14:22:14,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 14:22:14,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 14:22:14,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 14:22:14,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 14:22:14,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 14:22:14,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 14:22:14,923 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 14:22:14,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 14:22:14,923 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 14:22:14,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 14:22:14,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 14:22:14,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 14:22:14,923 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 14:22:14,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 14:22:14,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 14:22:14,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 14:22:14,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 14:22:14,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 14:22:14,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 14:22:14,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 14:22:14,924 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 14:22:14,925 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 14:22:14,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 14:22:14,925 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 14:22:15,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 14:22:15,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 14:22:15,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 14:22:15,233 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 14:22:15,234 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 14:22:15,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl [2021-03-26 14:22:15,235 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl' [2021-03-26 14:22:15,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 14:22:15,268 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 14:22:15,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 14:22:15,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 14:22:15,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 14:22:15,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 02:22:15" (1/1) ... [2021-03-26 14:22:15,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 02:22:15" (1/1) ... [2021-03-26 14:22:15,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 14:22:15,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 14:22:15,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 14:22:15,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 14:22:15,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 02:22:15" (1/1) ... [2021-03-26 14:22:15,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 02:22:15" (1/1) ... [2021-03-26 14:22:15,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 02:22:15" (1/1) ... [2021-03-26 14:22:15,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 02:22:15" (1/1) ... [2021-03-26 14:22:15,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 02:22:15" (1/1) ... [2021-03-26 14:22:15,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 02:22:15" (1/1) ... [2021-03-26 14:22:15,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 02:22:15" (1/1) ... [2021-03-26 14:22:15,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 14:22:15,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 14:22:15,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 14:22:15,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 14:22:15,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 02:22:15" (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 14:22:15,366 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-26 14:22:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-26 14:22:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-26 14:22:15,366 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-26 14:22:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-26 14:22:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-26 14:22:15,367 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 14:22:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 14:22:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 14:22:15,367 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-26 14:22:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-26 14:22:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-26 14:22:15,367 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-26 14:22:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-26 14:22:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-26 14:22:15,368 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-03-26 14:22:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-03-26 14:22:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-03-26 14:22:15,368 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-03-26 14:22:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-03-26 14:22:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-03-26 14:22:15,369 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 14:22:15,509 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 14:22:15,509 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 14:22:15,510 INFO L202 PluginConnector]: Adding new model exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 02:22:15 BoogieIcfgContainer [2021-03-26 14:22:15,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 14:22:15,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 14:22:15,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 14:22:15,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 14:22:15,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 02:22:15" (1/2) ... [2021-03-26 14:22:15,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37838b58 and model type exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 02:22:15, skipping insertion in model container [2021-03-26 14:22:15,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 02:22:15" (2/2) ... [2021-03-26 14:22:15,528 INFO L111 eAbstractionObserver]: Analyzing ICFG exp3x3.wvr.bpl [2021-03-26 14:22:15,533 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 14:22:15,550 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 14:22:15,551 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 14:22:15,664 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-03-26 14:22:15,679 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-26 14:22:15,712 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 14:22:15,713 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 14:22:15,713 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 14:22:15,713 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 14:22:15,713 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 14:22:15,713 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 14:22:15,713 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 14:22:15,715 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 14:22:15,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 47 transitions, 142 flow [2021-03-26 14:22:15,774 INFO L129 PetriNetUnfolder]: 6/41 cut-off events. [2021-03-26 14:22:15,774 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 14:22:15,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 41 events. 6/41 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 80 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2021-03-26 14:22:15,778 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 47 transitions, 142 flow [2021-03-26 14:22:15,783 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 39 transitions, 114 flow [2021-03-26 14:22:15,784 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:15,802 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 39 transitions, 114 flow [2021-03-26 14:22:15,805 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 39 transitions, 114 flow [2021-03-26 14:22:15,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 39 transitions, 114 flow [2021-03-26 14:22:15,827 INFO L129 PetriNetUnfolder]: 6/39 cut-off events. [2021-03-26 14:22:15,827 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 14:22:15,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 39 events. 6/39 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 75 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2021-03-26 14:22:15,830 INFO L142 LiptonReduction]: Number of co-enabled transitions 720 [2021-03-26 14:22:16,091 INFO L154 LiptonReduction]: Checked pairs total: 300 [2021-03-26 14:22:16,091 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-26 14:22:16,095 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 312 [2021-03-26 14:22:16,120 INFO L129 PetriNetUnfolder]: 6/25 cut-off events. [2021-03-26 14:22:16,120 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 14:22:16,120 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:16,121 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:16,121 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:16,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:16,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1010826407, now seen corresponding path program 1 times [2021-03-26 14:22:16,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:16,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374229129] [2021-03-26 14:22:16,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:16,322 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-26 14:22:16,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:16,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:22:16,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374229129] [2021-03-26 14:22:16,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 14:22:16,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 14:22:16,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006222144] [2021-03-26 14:22:16,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 14:22:16,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:16,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 14:22:16,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 14:22:16,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-03-26 14:22:16,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 26 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:16,368 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:16,368 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-03-26 14:22:16,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:16,423 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][17], [48#L44true, 64#true, 32#L72true, 35#L28true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, 41#L20true, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3NotInUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,423 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is cut-off event [2021-03-26 14:22:16,423 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 14:22:16,423 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 14:22:16,423 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 14:22:16,438 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 35#L28true, 40#L36true, 41#L20true, 15#L73true, 48#L44true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,438 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,438 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,438 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,438 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,443 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][17], [64#true, 32#L72true, 48#L44true, 18#thread1EXITtrue, 35#L28true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3NotInUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,443 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,443 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,443 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,443 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,443 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 35#L28true, 40#L36true, 15#L73true, 48#L44true, 18#thread1EXITtrue, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,443 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,444 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,444 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,444 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,449 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([142] L44-->thread4EXIT: Formula: (not (< v_x4_7 v_n_13)) InVars {n=v_n_13, x4=v_x4_7} OutVars{n=v_n_13, x4=v_x4_7} AuxVars[] AssignedVars[][18], [32#L72true, 64#true, 35#L28true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, 41#L20true, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3NotInUse, 44#thread4EXITtrue, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,449 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is not cut-off event [2021-03-26 14:22:16,449 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is not cut-off event [2021-03-26 14:22:16,449 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is not cut-off event [2021-03-26 14:22:16,449 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is not cut-off event [2021-03-26 14:22:16,455 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 35#L28true, 40#L36true, 41#L20true, 15#L73true, 48#L44true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,455 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,455 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,455 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,455 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,455 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,456 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 35#L28true, 40#L36true, 41#L20true, 9#thread5EXITtrue, 15#L73true, 48#L44true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,456 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,456 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,456 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,456 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,485 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,486 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,486 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,486 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,486 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,486 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 41#L20true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,487 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,487 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,487 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,487 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,487 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 41#L20true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,488 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,488 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,488 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,488 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,488 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,488 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,488 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,489 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,489 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,489 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,491 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([142] L44-->thread4EXIT: Formula: (not (< v_x4_7 v_n_13)) InVars {n=v_n_13, x4=v_x4_7} OutVars{n=v_n_13, x4=v_x4_7} AuxVars[] AssignedVars[][18], [64#true, 32#L72true, 18#thread1EXITtrue, 35#L28true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3NotInUse, 44#thread4EXITtrue, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,491 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is not cut-off event [2021-03-26 14:22:16,491 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-26 14:22:16,491 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-26 14:22:16,492 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-26 14:22:16,494 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 35#L28true, 40#L36true, 15#L73true, 48#L44true, 18#thread1EXITtrue, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,494 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,494 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,494 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,494 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,495 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,495 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 35#L28true, 40#L36true, 9#thread5EXITtrue, 15#L73true, 48#L44true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,495 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,495 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,495 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,495 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,496 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,496 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,496 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,496 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,496 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,496 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,497 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,497 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,497 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,497 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,497 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,499 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 35#L28true, 40#L36true, 9#thread5EXITtrue, 41#L20true, 15#L73true, 48#L44true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,499 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is not cut-off event [2021-03-26 14:22:16,499 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-26 14:22:16,499 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-26 14:22:16,499 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-26 14:22:16,502 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-26 14:22:16,507 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 15#L73true, 48#L44true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,507 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,507 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,507 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,507 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,507 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 40#L36true, 41#L20true, 9#thread5EXITtrue, 10#thread2EXITtrue, 15#L73true, 48#L44true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,508 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,508 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,508 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,508 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,508 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,508 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,508 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,509 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,509 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,513 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,514 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,514 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,514 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,514 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,514 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,514 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 41#L20true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,514 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,514 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,514 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,515 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,515 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,515 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,516 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][23], [64#true, 40#L36true, 10#thread2EXITtrue, 15#L73true, 48#L44true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,516 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,516 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,517 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,517 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,517 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 40#L36true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,517 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,517 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,517 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,517 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,519 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 35#L28true, 40#L36true, 9#thread5EXITtrue, 15#L73true, 48#L44true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,519 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,519 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,519 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,520 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,520 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,520 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][22], [64#true, 40#L36true, 9#thread5EXITtrue, 10#thread2EXITtrue, 15#L73true, 48#L44true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4NotInUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,520 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,520 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,520 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,520 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,531 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,531 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,536 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,536 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,536 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,536 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,536 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 40#L36true, 43#L60true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,537 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,537 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,537 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,538 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,541 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,541 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,544 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,544 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,544 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,544 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,544 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,544 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,544 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,545 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 10#thread2EXITtrue, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,545 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,545 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,545 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,545 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,547 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 10#thread2EXITtrue, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,547 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,547 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,547 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,547 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,548 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,548 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,548 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,548 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,548 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,548 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,548 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,551 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 41#L20true, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,551 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,551 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,551 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,551 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,557 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 41#L20true, 43#L60true, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,557 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,557 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,557 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,558 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,569 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([137] thread2EXIT-->L76: Formula: (and (= 2 v_thread2Thread1of1ForFork0_thidvar0_4) (= 2 v_thread2Thread1of1ForFork0_thidvar1_4)) InVars {thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4} OutVars{thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][32], [64#true, 48#L44true, 50#L52true, 20#L76true, thread2Thread1of1ForFork0NotInUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, 43#L60true, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5NotInUse]) [2021-03-26 14:22:16,570 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,572 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,573 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,573 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,573 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 40#L36true, 10#thread2EXITtrue, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,575 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,576 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,576 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,576 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,576 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 40#L36true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,576 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,576 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,576 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,577 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,577 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,579 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 40#L36true, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,579 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,579 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,579 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,579 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,579 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,579 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,579 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 40#L36true, 10#thread2EXITtrue, 48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,580 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,580 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,580 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,580 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,580 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,581 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 35#L28true, 37#thread6EXITtrue, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,581 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,582 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,582 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,582 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,582 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 35#L28true, 43#L60true, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,582 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,582 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,582 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,582 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,590 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 41#L20true, 10#thread2EXITtrue, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,590 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,590 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,590 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,590 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,591 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 41#L20true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 49#thread3EXITtrue, 17#L74true, 50#L52true, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,591 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,591 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,591 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,591 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,598 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][28], [64#true, 37#thread6EXITtrue, 10#thread2EXITtrue, 48#L44true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,599 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,599 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,599 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,599 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,599 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][29], [64#true, 10#thread2EXITtrue, 43#L60true, 48#L44true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 18#thread1EXITtrue, thread2Thread1of1ForFork0InUse, thread4Thread1of1ForFork2InUse, thread3Thread1of1ForFork1InUse, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5InUse]) [2021-03-26 14:22:16,599 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,600 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,600 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,600 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,619 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([137] thread2EXIT-->L76: Formula: (and (= 2 v_thread2Thread1of1ForFork0_thidvar0_4) (= 2 v_thread2Thread1of1ForFork0_thidvar1_4)) InVars {thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4} OutVars{thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][32], [64#true, 48#L44true, 50#L52true, 20#L76true, thread2Thread1of1ForFork0NotInUse, thread4Thread1of1ForFork2InUse, 40#L36true, thread3Thread1of1ForFork1InUse, 43#L60true, thread6Thread1of1ForFork4InUse, thread5Thread1of1ForFork3InUse, thread1Thread1of1ForFork5NotInUse]) [2021-03-26 14:22:16,619 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-26 14:22:16,619 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 14:22:16,619 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 14:22:16,619 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 14:22:16,619 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 14:22:16,631 INFO L129 PetriNetUnfolder]: 1069/1302 cut-off events. [2021-03-26 14:22:16,632 INFO L130 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2021-03-26 14:22:16,636 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2618 conditions, 1302 events. 1069/1302 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 3960 event pairs, 273 based on Foata normal form. 1/609 useless extension candidates. Maximal degree in co-relation 2584. Up to 1064 conditions per place. [2021-03-26 14:22:16,646 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 19 selfloop transitions, 7 changer transitions 0/38 dead transitions. [2021-03-26 14:22:16,647 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 38 transitions, 164 flow [2021-03-26 14:22:16,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 14:22:16,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 14:22:16,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2021-03-26 14:22:16,657 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2021-03-26 14:22:16,657 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 105 transitions. [2021-03-26 14:22:16,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 105 transitions. [2021-03-26 14:22:16,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:16,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 105 transitions. [2021-03-26 14:22:16,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:16,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 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 14:22:16,669 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 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 14:22:16,670 INFO L185 Difference]: Start difference. First operand has 39 places, 26 transitions, 88 flow. Second operand 3 states and 105 transitions. [2021-03-26 14:22:16,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 38 transitions, 164 flow [2021-03-26 14:22:16,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 38 transitions, 140 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-03-26 14:22:16,683 INFO L241 Difference]: Finished difference. Result has 30 places, 32 transitions, 111 flow [2021-03-26 14:22:16,685 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=111, PETRI_PLACES=30, PETRI_TRANSITIONS=32} [2021-03-26 14:22:16,686 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -9 predicate places. [2021-03-26 14:22:16,686 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:16,686 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 32 transitions, 111 flow [2021-03-26 14:22:16,687 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 32 transitions, 111 flow [2021-03-26 14:22:16,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 32 transitions, 111 flow [2021-03-26 14:22:16,702 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][1], [64#true, 48#L44true, 32#L72true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true]) [2021-03-26 14:22:16,702 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is cut-off event [2021-03-26 14:22:16,702 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 14:22:16,702 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 14:22:16,702 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 14:22:16,703 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][25], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, 15#L73true]) [2021-03-26 14:22:16,703 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,703 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,703 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,703 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,704 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][25], [64#true, 48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, 15#L73true]) [2021-03-26 14:22:16,704 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,704 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,704 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,704 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,704 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,705 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][18], [64#true, 48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, 43#L60true]) [2021-03-26 14:22:16,705 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,705 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,706 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,706 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,706 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][18], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, 43#L60true]) [2021-03-26 14:22:16,706 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,706 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,706 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,707 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,707 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,707 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][18], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, 43#L60true]) [2021-03-26 14:22:16,707 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,707 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,707 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,707 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,708 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,708 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,710 INFO L129 PetriNetUnfolder]: 41/79 cut-off events. [2021-03-26 14:22:16,710 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 14:22:16,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 79 events. 41/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 124 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 102. Up to 44 conditions per place. [2021-03-26 14:22:16,712 INFO L142 LiptonReduction]: Number of co-enabled transitions 330 [2021-03-26 14:22:16,718 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:16,718 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:16,718 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-03-26 14:22:16,719 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 32 transitions, 111 flow [2021-03-26 14:22:16,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:16,720 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:16,720 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:16,720 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 14:22:16,720 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:16,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:16,721 INFO L82 PathProgramCache]: Analyzing trace with hash -100339963, now seen corresponding path program 1 times [2021-03-26 14:22:16,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:16,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521439428] [2021-03-26 14:22:16,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:16,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:16,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:16,752 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 14:22:16,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:16,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:16,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:16,759 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 14:22:16,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521439428] [2021-03-26 14:22:16,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 14:22:16,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 14:22:16,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870428782] [2021-03-26 14:22:16,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 14:22:16,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:16,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 14:22:16,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 14:22:16,762 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-26 14:22:16,762 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 32 transitions, 111 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:16,762 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:16,762 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-26 14:22:16,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:16,797 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([142] L44-->thread4EXIT: Formula: (not (< v_x4_7 v_n_13)) InVars {n=v_n_13, x4=v_x4_7} OutVars{n=v_n_13, x4=v_x4_7} AuxVars[] AssignedVars[][25], [32#L72true, 64#true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 44#thread4EXITtrue]) [2021-03-26 14:22:16,797 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,797 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 14:22:16,797 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,797 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 14:22:16,798 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][30], [32#L72true, 64#true, 48#L44true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true]) [2021-03-26 14:22:16,798 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,798 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 14:22:16,798 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 14:22:16,798 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,813 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([142] L44-->thread4EXIT: Formula: (not (< v_x4_7 v_n_13)) InVars {n=v_n_13, x4=v_x4_7} OutVars{n=v_n_13, x4=v_x4_7} AuxVars[] AssignedVars[][25], [32#L72true, 64#true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 44#thread4EXITtrue]) [2021-03-26 14:22:16,813 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,813 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,813 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,813 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,814 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][30], [32#L72true, 48#L44true, 64#true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true]) [2021-03-26 14:22:16,814 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,814 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,814 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,814 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,815 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 9#thread5EXITtrue, 15#L73true]) [2021-03-26 14:22:16,815 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is not cut-off event [2021-03-26 14:22:16,815 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-26 14:22:16,815 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,815 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,816 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 9#thread5EXITtrue, 15#L73true]) [2021-03-26 14:22:16,816 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,816 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,816 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,816 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,816 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 15#L73true]) [2021-03-26 14:22:16,816 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is not cut-off event [2021-03-26 14:22:16,817 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,817 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is not cut-off event [2021-03-26 14:22:16,817 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,817 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 15#L73true]) [2021-03-26 14:22:16,817 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,817 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,817 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,817 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,817 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 41#L20true]) [2021-03-26 14:22:16,818 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,818 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,818 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,818 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,818 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 43#L60true]) [2021-03-26 14:22:16,818 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,818 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,818 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,818 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,818 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 9#thread5EXITtrue, 41#L20true, 15#L73true]) [2021-03-26 14:22:16,819 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,819 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,819 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,819 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,819 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,819 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 15#L73true]) [2021-03-26 14:22:16,819 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,819 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,819 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,819 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,819 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,825 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][45], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 71#(= x1 x2), 40#L36true, 41#L20true]) [2021-03-26 14:22:16,825 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,825 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,825 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,825 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,825 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][50], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 71#(= x1 x2), 40#L36true, 41#L20true, 43#L60true]) [2021-03-26 14:22:16,825 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,825 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,826 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,826 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,830 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 72#(and (<= n x1) (= x2 x1)), 40#L36true, 43#L60true]) [2021-03-26 14:22:16,830 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,831 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,831 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,831 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,833 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 9#thread5EXITtrue, 41#L20true, 10#thread2EXITtrue, 15#L73true]) [2021-03-26 14:22:16,833 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,833 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,833 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,833 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,833 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 15#L73true]) [2021-03-26 14:22:16,833 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,833 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,834 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,834 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,835 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 9#thread5EXITtrue, 15#L73true]) [2021-03-26 14:22:16,835 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,835 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,835 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,835 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,836 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,836 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, 43#L60true]) [2021-03-26 14:22:16,836 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,836 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,836 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,836 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,836 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 18#thread1EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 15#L73true]) [2021-03-26 14:22:16,836 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,836 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,836 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,837 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,837 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,837 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true]) [2021-03-26 14:22:16,837 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,837 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,837 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,837 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,837 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 43#L60true]) [2021-03-26 14:22:16,837 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,837 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,837 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,838 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,840 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 41#L20true]) [2021-03-26 14:22:16,840 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,840 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,840 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,840 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,840 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,840 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 41#L20true, 10#thread2EXITtrue]) [2021-03-26 14:22:16,840 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,840 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,840 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,840 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,841 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true]) [2021-03-26 14:22:16,841 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,841 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,841 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,841 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,841 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,841 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 43#L60true]) [2021-03-26 14:22:16,842 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,842 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,842 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,842 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,842 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is not cut-off event [2021-03-26 14:22:16,842 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 43#L60true]) [2021-03-26 14:22:16,842 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,842 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,842 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,842 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,843 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 43#L60true]) [2021-03-26 14:22:16,843 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,843 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,843 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,843 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,843 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,843 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 41#L20true]) [2021-03-26 14:22:16,843 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,843 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,843 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,843 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,844 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,844 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,844 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 43#L60true]) [2021-03-26 14:22:16,844 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,844 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,844 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,844 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,844 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,844 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,847 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 72#(and (<= n x1) (= x2 x1)), 41#L20true, 10#thread2EXITtrue, 43#L60true]) [2021-03-26 14:22:16,847 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,847 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,847 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,847 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,850 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][50], [48#L44true, 64#true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 71#(= x1 x2), 41#L20true, 43#L60true]) [2021-03-26 14:22:16,850 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,850 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,850 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,850 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,851 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1)), 40#L36true, 41#L20true, 10#thread2EXITtrue]) [2021-03-26 14:22:16,851 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,851 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,851 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,851 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,851 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][45], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 71#(= x1 x2), 41#L20true]) [2021-03-26 14:22:16,851 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,851 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,851 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,852 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,852 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1)), 40#L36true]) [2021-03-26 14:22:16,852 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,852 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,852 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,852 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,856 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 72#(and (<= n x1) (= x2 x1)), 10#thread2EXITtrue, 43#L60true]) [2021-03-26 14:22:16,856 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,856 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,856 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,856 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,858 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-26 14:22:16,858 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,858 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,858 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,858 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,859 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 39#L75true, 72#(and (<= n x1) (= x2 x1)), 40#L36true, 43#L60true]) [2021-03-26 14:22:16,859 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,859 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,859 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,859 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,860 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1)), 40#L36true, 10#thread2EXITtrue]) [2021-03-26 14:22:16,860 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,860 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,860 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,860 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,863 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([152] L52-->thread5EXIT: Formula: (not (< v_x5_13 v_n_31)) InVars {n=v_n_31, x5=v_x5_13} OutVars{n=v_n_31, x5=v_x5_13} AuxVars[] AssignedVars[][34], [48#L44true, 64#true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 9#thread5EXITtrue, 10#thread2EXITtrue, 15#L73true]) [2021-03-26 14:22:16,863 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,863 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,864 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,864 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,864 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][39], [48#L44true, 64#true, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 10#thread2EXITtrue, 15#L73true]) [2021-03-26 14:22:16,864 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,864 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,864 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,864 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,866 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 10#thread2EXITtrue]) [2021-03-26 14:22:16,866 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,866 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,866 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,866 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,867 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 18#thread1EXITtrue, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 10#thread2EXITtrue, 43#L60true]) [2021-03-26 14:22:16,867 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,867 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,867 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,867 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,867 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 37#thread6EXITtrue, 40#L36true, 41#L20true, 10#thread2EXITtrue]) [2021-03-26 14:22:16,867 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,867 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,867 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,868 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,868 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,868 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, 10#thread2EXITtrue, 43#L60true]) [2021-03-26 14:22:16,868 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,868 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,868 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,868 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,868 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,870 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, 43#L60true]) [2021-03-26 14:22:16,870 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,870 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 14:22:16,870 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 14:22:16,870 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 14:22:16,870 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 14:22:16,871 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, 43#L60true]) [2021-03-26 14:22:16,871 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,871 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,871 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,871 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,871 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,871 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,872 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true]) [2021-03-26 14:22:16,872 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,872 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,872 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,872 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,872 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,872 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,872 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 43#L60true]) [2021-03-26 14:22:16,872 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,872 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,872 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,873 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,873 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,873 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,874 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 41#L20true]) [2021-03-26 14:22:16,874 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,874 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,875 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,875 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,875 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 41#L20true, 43#L60true]) [2021-03-26 14:22:16,875 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,875 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,875 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,875 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,879 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 72#(and (<= n x1) (= x2 x1)), 41#L20true, 10#thread2EXITtrue, 43#L60true]) [2021-03-26 14:22:16,879 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,879 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,879 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,879 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,882 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1)), 41#L20true, 10#thread2EXITtrue]) [2021-03-26 14:22:16,882 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,882 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,882 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,882 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,882 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 18#thread1EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1))]) [2021-03-26 14:22:16,882 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,882 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,882 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,882 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,887 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][51], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 72#(and (<= n x1) (= x2 x1)), 10#thread2EXITtrue, 43#L60true]) [2021-03-26 14:22:16,887 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,887 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,887 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,887 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,889 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 49#thread3EXITtrue, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 39#L75true, 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-26 14:22:16,889 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 14:22:16,889 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 14:22:16,889 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 14:22:16,889 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 14:22:16,889 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][46], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 18#thread1EXITtrue, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 72#(and (<= n x1) (= x2 x1)), 10#thread2EXITtrue]) [2021-03-26 14:22:16,890 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,890 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,890 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,890 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,894 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, 10#thread2EXITtrue, 43#L60true]) [2021-03-26 14:22:16,894 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-26 14:22:16,894 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 14:22:16,895 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 14:22:16,895 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-26 14:22:16,895 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][43], [48#L44true, 64#true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, 10#thread2EXITtrue, 43#L60true]) [2021-03-26 14:22:16,896 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,896 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,896 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,896 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,896 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,896 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 37#thread6EXITtrue, 40#L36true, 10#thread2EXITtrue]) [2021-03-26 14:22:16,896 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,896 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,896 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,896 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,897 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,897 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 10#thread2EXITtrue, 43#L60true]) [2021-03-26 14:22:16,897 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,897 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,897 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,897 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,897 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,899 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 41#L20true, 10#thread2EXITtrue]) [2021-03-26 14:22:16,899 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,899 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,899 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,899 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,899 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 41#L20true, 10#thread2EXITtrue, 43#L60true]) [2021-03-26 14:22:16,899 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,899 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,899 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,900 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,903 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true]) [2021-03-26 14:22:16,903 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,903 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,903 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,903 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,903 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 49#thread3EXITtrue, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 43#L60true]) [2021-03-26 14:22:16,903 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,904 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:16,904 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,904 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,918 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][44], [48#L44true, 64#true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 10#thread2EXITtrue]) [2021-03-26 14:22:16,919 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-26 14:22:16,919 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,919 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 14:22:16,919 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 14:22:16,919 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][49], [48#L44true, 64#true, 17#L74true, 49#thread3EXITtrue, 50#L52true, 18#thread1EXITtrue, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 10#thread2EXITtrue, 43#L60true]) [2021-03-26 14:22:16,919 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-26 14:22:16,919 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 14:22:16,919 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-26 14:22:16,919 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 14:22:16,941 INFO L129 PetriNetUnfolder]: 1684/2121 cut-off events. [2021-03-26 14:22:16,941 INFO L130 PetriNetUnfolder]: For 975/1414 co-relation queries the response was YES. [2021-03-26 14:22:16,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5206 conditions, 2121 events. 1684/2121 cut-off events. For 975/1414 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 7756 event pairs, 315 based on Foata normal form. 99/2089 useless extension candidates. Maximal degree in co-relation 5039. Up to 964 conditions per place. [2021-03-26 14:22:16,976 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 40 selfloop transitions, 7 changer transitions 0/59 dead transitions. [2021-03-26 14:22:16,977 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 59 transitions, 293 flow [2021-03-26 14:22:16,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 14:22:16,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 14:22:16,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 159 transitions. [2021-03-26 14:22:16,982 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6625 [2021-03-26 14:22:16,982 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 159 transitions. [2021-03-26 14:22:16,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 159 transitions. [2021-03-26 14:22:16,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:16,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 159 transitions. [2021-03-26 14:22:16,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:16,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 60.0) internal successors, (300), 5 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:16,987 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 60.0) internal successors, (300), 5 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:16,988 INFO L185 Difference]: Start difference. First operand has 30 places, 32 transitions, 111 flow. Second operand 4 states and 159 transitions. [2021-03-26 14:22:16,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 59 transitions, 293 flow [2021-03-26 14:22:16,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 59 transitions, 282 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 14:22:16,992 INFO L241 Difference]: Finished difference. Result has 34 places, 36 transitions, 151 flow [2021-03-26 14:22:16,992 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=151, PETRI_PLACES=34, PETRI_TRANSITIONS=36} [2021-03-26 14:22:16,992 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -5 predicate places. [2021-03-26 14:22:16,992 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:16,992 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 36 transitions, 151 flow [2021-03-26 14:22:16,993 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 36 transitions, 151 flow [2021-03-26 14:22:16,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 36 transitions, 151 flow [2021-03-26 14:22:16,996 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([146] L44-->L44: Formula: (and (< v_x4_12 v_n_19) (= v_x4_11 (* v_x4_12 2))) InVars {n=v_n_19, x4=v_x4_12} OutVars{n=v_n_19, x4=v_x4_11} AuxVars[] AssignedVars[x4][3], [48#L44true, 32#L72true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1))]) [2021-03-26 14:22:16,996 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,996 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,997 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 14:22:16,997 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-26 14:22:16,997 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][29], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 15#L73true]) [2021-03-26 14:22:16,997 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,997 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,997 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,998 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,998 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([147] L52-->L52: Formula: (and (< v_x5_10 v_n_21) (= v_x5_9 (* v_x5_10 2))) InVars {n=v_n_21, x5=v_x5_10} OutVars{n=v_n_21, x5=v_x5_9} AuxVars[] AssignedVars[x5][29], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 15#L73true]) [2021-03-26 14:22:16,999 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,999 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,999 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-26 14:22:16,999 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,999 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,999 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][22], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-26 14:22:16,999 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,999 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:16,999 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:16,999 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,000 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][22], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-26 14:22:17,001 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:17,001 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,001 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,001 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:17,001 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,001 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][22], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 71#(= x1 x2), 40#L36true, 41#L20true, Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-26 14:22:17,001 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-26 14:22:17,001 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:17,001 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:17,001 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:17,002 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][22], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-26 14:22:17,002 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,002 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,002 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,002 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:17,002 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:17,002 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,002 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][28], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-26 14:22:17,002 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:17,003 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:17,003 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,003 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:17,003 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][28], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-26 14:22:17,003 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:17,003 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:17,003 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:17,004 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,004 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:17,004 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][28], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true]) [2021-03-26 14:22:17,004 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-26 14:22:17,004 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 14:22:17,004 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 14:22:17,004 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-26 14:22:17,004 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 14:22:17,004 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-26 14:22:17,007 INFO L129 PetriNetUnfolder]: 83/146 cut-off events. [2021-03-26 14:22:17,007 INFO L130 PetriNetUnfolder]: For 51/75 co-relation queries the response was YES. [2021-03-26 14:22:17,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 146 events. 83/146 cut-off events. For 51/75 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 365 event pairs, 5 based on Foata normal form. 8/135 useless extension candidates. Maximal degree in co-relation 284. Up to 80 conditions per place. [2021-03-26 14:22:17,009 INFO L142 LiptonReduction]: Number of co-enabled transitions 412 [2021-03-26 14:22:17,012 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:17,012 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:17,013 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-26 14:22:17,014 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 36 transitions, 151 flow [2021-03-26 14:22:17,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:17,015 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:17,015 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:17,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 14:22:17,015 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:17,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:17,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1635724711, now seen corresponding path program 1 times [2021-03-26 14:22:17,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:17,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280607145] [2021-03-26 14:22:17,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:17,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:17,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,078 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 14:22:17,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280607145] [2021-03-26 14:22:17,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651441123] [2021-03-26 14:22:17,078 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 14:22:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:17,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-26 14:22:17,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:22:17,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:17,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:17,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:17,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:17,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:17,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:17,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:17,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:17,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:17,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:17,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:17,282 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 14:22:17,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,302 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 14:22:17,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:22:17,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-03-26 14:22:17,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012935584] [2021-03-26 14:22:17,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 14:22:17,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:17,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 14:22:17,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 14:22:17,304 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-26 14:22:17,304 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 36 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:17,304 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:17,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-26 14:22:17,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:17,396 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][67], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 78#(<= x4 x3)]) [2021-03-26 14:22:17,396 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,396 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:17,396 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,396 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:17,397 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][72], [48#L44true, 17#L74true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, 41#L20true, Black: 71#(= x1 x2), 43#L60true, Black: 72#(and (<= n x1) (= x2 x1)), 78#(<= x4 x3)]) [2021-03-26 14:22:17,397 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,397 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:17,397 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:17,397 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,423 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([136] thread1EXIT-->L75: Formula: (= v_thread1Thread1of1ForFork5_thidvar0_4 1) InVars {thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} OutVars{thread1Thread1of1ForFork5_thidvar0=v_thread1Thread1of1ForFork5_thidvar0_4} AuxVars[] AssignedVars[][64], [48#L44true, 50#L52true, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 39#L75true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 78#(<= x4 x3)]) [2021-03-26 14:22:17,423 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:17,424 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,424 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:17,424 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,424 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([151] L60-->thread6EXIT: Formula: (not (< v_x6_13 v_n_29)) InVars {x6=v_x6_13, n=v_n_29} OutVars{x6=v_x6_13, n=v_n_29} AuxVars[] AssignedVars[][67], [48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 37#thread6EXITtrue, 69#true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 78#(<= x4 x3)]) [2021-03-26 14:22:17,424 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:17,424 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,424 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,424 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:17,424 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][72], [48#L44true, 17#L74true, 50#L52true, 18#thread1EXITtrue, 35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 69#true, 40#L36true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 78#(<= x4 x3)]) [2021-03-26 14:22:17,424 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-26 14:22:17,424 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,424 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,425 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-26 14:22:17,596 INFO L129 PetriNetUnfolder]: 3675/4474 cut-off events. [2021-03-26 14:22:17,597 INFO L130 PetriNetUnfolder]: For 3697/4619 co-relation queries the response was YES. [2021-03-26 14:22:17,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13023 conditions, 4474 events. 3675/4474 cut-off events. For 3697/4619 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 16134 event pairs, 689 based on Foata normal form. 119/4452 useless extension candidates. Maximal degree in co-relation 12912. Up to 2162 conditions per place. [2021-03-26 14:22:17,634 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 62 selfloop transitions, 8 changer transitions 0/82 dead transitions. [2021-03-26 14:22:17,634 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 82 transitions, 511 flow [2021-03-26 14:22:17,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 14:22:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 14:22:17,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 200 transitions. [2021-03-26 14:22:17,637 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-03-26 14:22:17,637 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 200 transitions. [2021-03-26 14:22:17,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 200 transitions. [2021-03-26 14:22:17,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:17,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 200 transitions. [2021-03-26 14:22:17,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:17,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:17,640 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:17,640 INFO L185 Difference]: Start difference. First operand has 34 places, 36 transitions, 151 flow. Second operand 5 states and 200 transitions. [2021-03-26 14:22:17,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 82 transitions, 511 flow [2021-03-26 14:22:17,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 82 transitions, 500 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 14:22:17,648 INFO L241 Difference]: Finished difference. Result has 40 places, 41 transitions, 201 flow [2021-03-26 14:22:17,648 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=201, PETRI_PLACES=40, PETRI_TRANSITIONS=41} [2021-03-26 14:22:17,648 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 1 predicate places. [2021-03-26 14:22:17,648 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:17,649 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 41 transitions, 201 flow [2021-03-26 14:22:17,649 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 41 transitions, 201 flow [2021-03-26 14:22:17,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 41 transitions, 201 flow [2021-03-26 14:22:17,660 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L60: Formula: (and (= (* v_x6_10 2) v_x6_9) (< v_x6_10 v_n_23)) InVars {x6=v_x6_10, n=v_n_23} OutVars{x6=v_x6_9, n=v_n_23} AuxVars[] AssignedVars[x6][27], [35#L28true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), 40#L36true, 41#L20true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 78#(<= x4 x3), Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), 48#L44true, Black: 79#(<= (+ x4 1) n), 17#L74true, 50#L52true]) [2021-03-26 14:22:17,661 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,661 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-26 14:22:17,661 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:17,661 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-26 14:22:17,685 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([138] thread3EXIT-->L77: Formula: (and (= 3 v_thread3Thread1of1ForFork1_thidvar2_4) (= 3 v_thread3Thread1of1ForFork1_thidvar0_4) (= 3 v_thread3Thread1of1ForFork1_thidvar1_4)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][22], [48#L44true, Black: 78#(<= x4 x3), Black: 79#(<= (+ x4 1) n), 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 141#(and (<= (+ x4 1) n) (<= x4 x3)), 46#L77true]) [2021-03-26 14:22:17,685 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-26 14:22:17,686 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 14:22:17,686 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 14:22:17,686 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-26 14:22:17,686 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([138] thread3EXIT-->L77: Formula: (and (= 3 v_thread3Thread1of1ForFork1_thidvar2_4) (= 3 v_thread3Thread1of1ForFork1_thidvar0_4) (= 3 v_thread3Thread1of1ForFork1_thidvar1_4)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][22], [Black: 78#(<= x4 x3), Black: 79#(<= (+ x4 1) n), 50#L52true, Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 44#thread4EXITtrue, 76#true, 46#L77true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3))]) [2021-03-26 14:22:17,686 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is not cut-off event [2021-03-26 14:22:17,686 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-26 14:22:17,686 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-26 14:22:17,687 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-26 14:22:17,690 INFO L129 PetriNetUnfolder]: 349/526 cut-off events. [2021-03-26 14:22:17,691 INFO L130 PetriNetUnfolder]: For 503/665 co-relation queries the response was YES. [2021-03-26 14:22:17,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1395 conditions, 526 events. 349/526 cut-off events. For 503/665 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1815 event pairs, 52 based on Foata normal form. 28/473 useless extension candidates. Maximal degree in co-relation 1287. Up to 363 conditions per place. [2021-03-26 14:22:17,700 INFO L142 LiptonReduction]: Number of co-enabled transitions 530 [2021-03-26 14:22:17,704 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:17,704 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:17,704 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56 [2021-03-26 14:22:17,705 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 41 transitions, 201 flow [2021-03-26 14:22:17,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:17,705 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:17,705 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:17,920 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-03-26 14:22:17,920 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:17,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:17,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1474309732, now seen corresponding path program 1 times [2021-03-26 14:22:17,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:17,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706317012] [2021-03-26 14:22:17,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:17,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:17,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:17,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:17,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:17,967 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 14:22:17,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706317012] [2021-03-26 14:22:17,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895179327] [2021-03-26 14:22:17,968 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 14:22:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:18,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-26 14:22:18,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:22:18,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:18,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:18,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:18,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:18,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:18,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:18,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:18,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:18,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:18,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:18,075 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 14:22:18,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,108 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 14:22:18,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:22:18,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-03-26 14:22:18,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962985588] [2021-03-26 14:22:18,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 14:22:18,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:18,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 14:22:18,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 14:22:18,110 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-26 14:22:18,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 41 transitions, 201 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:18,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:18,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-26 14:22:18,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:18,537 INFO L129 PetriNetUnfolder]: 4563/5556 cut-off events. [2021-03-26 14:22:18,537 INFO L130 PetriNetUnfolder]: For 8094/9014 co-relation queries the response was YES. [2021-03-26 14:22:18,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18723 conditions, 5556 events. 4563/5556 cut-off events. For 8094/9014 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 21376 event pairs, 1616 based on Foata normal form. 191/5591 useless extension candidates. Maximal degree in co-relation 18580. Up to 2787 conditions per place. [2021-03-26 14:22:18,595 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 67 selfloop transitions, 8 changer transitions 0/87 dead transitions. [2021-03-26 14:22:18,596 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 87 transitions, 598 flow [2021-03-26 14:22:18,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 14:22:18,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 14:22:18,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-03-26 14:22:18,597 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-03-26 14:22:18,598 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-03-26 14:22:18,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-03-26 14:22:18,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:18,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-03-26 14:22:18,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 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 14:22:18,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:18,600 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:18,600 INFO L185 Difference]: Start difference. First operand has 40 places, 41 transitions, 201 flow. Second operand 5 states and 199 transitions. [2021-03-26 14:22:18,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 87 transitions, 598 flow [2021-03-26 14:22:18,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 87 transitions, 598 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 14:22:18,615 INFO L241 Difference]: Finished difference. Result has 46 places, 44 transitions, 251 flow [2021-03-26 14:22:18,615 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=251, PETRI_PLACES=46, PETRI_TRANSITIONS=44} [2021-03-26 14:22:18,615 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 7 predicate places. [2021-03-26 14:22:18,615 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:18,615 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 44 transitions, 251 flow [2021-03-26 14:22:18,615 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 44 transitions, 251 flow [2021-03-26 14:22:18,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 44 transitions, 251 flow [2021-03-26 14:22:18,661 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([138] thread3EXIT-->L77: Formula: (and (= 3 v_thread3Thread1of1ForFork1_thidvar2_4) (= 3 v_thread3Thread1of1ForFork1_thidvar0_4) (= 3 v_thread3Thread1of1ForFork1_thidvar1_4)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][23], [Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 43#L60true, 76#true, 44#thread4EXITtrue, 46#L77true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 78#(<= x4 x3), Black: 79#(<= (+ x4 1) n), 146#true, 50#L52true, Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 149#(<= (+ x2 1) n)]) [2021-03-26 14:22:18,661 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is not cut-off event [2021-03-26 14:22:18,661 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-26 14:22:18,662 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-26 14:22:18,662 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-26 14:22:18,664 INFO L129 PetriNetUnfolder]: 396/595 cut-off events. [2021-03-26 14:22:18,665 INFO L130 PetriNetUnfolder]: For 920/1074 co-relation queries the response was YES. [2021-03-26 14:22:18,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1801 conditions, 595 events. 396/595 cut-off events. For 920/1074 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2085 event pairs, 47 based on Foata normal form. 16/534 useless extension candidates. Maximal degree in co-relation 1688. Up to 408 conditions per place. [2021-03-26 14:22:18,676 INFO L142 LiptonReduction]: Number of co-enabled transitions 602 [2021-03-26 14:22:18,679 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:18,680 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:18,680 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 65 [2021-03-26 14:22:18,682 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 44 transitions, 251 flow [2021-03-26 14:22:18,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:18,682 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:18,682 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:18,895 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 14:22:18,896 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:18,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:18,896 INFO L82 PathProgramCache]: Analyzing trace with hash 740815145, now seen corresponding path program 1 times [2021-03-26 14:22:18,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:18,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792120472] [2021-03-26 14:22:18,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:18,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:18,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:18,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:18,948 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 14:22:18,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792120472] [2021-03-26 14:22:18,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 14:22:18,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 14:22:18,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50428613] [2021-03-26 14:22:18,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 14:22:18,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:18,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 14:22:18,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 14:22:18,950 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-26 14:22:18,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 44 transitions, 251 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:18,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:18,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-26 14:22:18,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:19,386 INFO L129 PetriNetUnfolder]: 4495/5494 cut-off events. [2021-03-26 14:22:19,386 INFO L130 PetriNetUnfolder]: For 13186/14181 co-relation queries the response was YES. [2021-03-26 14:22:19,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19993 conditions, 5494 events. 4495/5494 cut-off events. For 13186/14181 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 21122 event pairs, 300 based on Foata normal form. 90/5417 useless extension candidates. Maximal degree in co-relation 19826. Up to 2705 conditions per place. [2021-03-26 14:22:19,441 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 81 selfloop transitions, 10 changer transitions 0/103 dead transitions. [2021-03-26 14:22:19,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 103 transitions, 823 flow [2021-03-26 14:22:19,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 14:22:19,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 14:22:19,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-03-26 14:22:19,442 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-03-26 14:22:19,442 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-03-26 14:22:19,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-03-26 14:22:19,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:19,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-03-26 14:22:19,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 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 14:22:19,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:19,445 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:19,445 INFO L185 Difference]: Start difference. First operand has 46 places, 44 transitions, 251 flow. Second operand 5 states and 199 transitions. [2021-03-26 14:22:19,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 103 transitions, 823 flow [2021-03-26 14:22:19,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 103 transitions, 794 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-03-26 14:22:19,463 INFO L241 Difference]: Finished difference. Result has 50 places, 49 transitions, 305 flow [2021-03-26 14:22:19,464 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=305, PETRI_PLACES=50, PETRI_TRANSITIONS=49} [2021-03-26 14:22:19,464 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 11 predicate places. [2021-03-26 14:22:19,464 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:19,464 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 49 transitions, 305 flow [2021-03-26 14:22:19,464 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 49 transitions, 305 flow [2021-03-26 14:22:19,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 49 transitions, 305 flow [2021-03-26 14:22:19,503 INFO L129 PetriNetUnfolder]: 371/569 cut-off events. [2021-03-26 14:22:19,503 INFO L130 PetriNetUnfolder]: For 866/1041 co-relation queries the response was YES. [2021-03-26 14:22:19,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1775 conditions, 569 events. 371/569 cut-off events. For 866/1041 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2031 event pairs, 32 based on Foata normal form. 14/526 useless extension candidates. Maximal degree in co-relation 1654. Up to 391 conditions per place. [2021-03-26 14:22:19,513 INFO L142 LiptonReduction]: Number of co-enabled transitions 768 [2021-03-26 14:22:19,519 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:19,519 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:19,519 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-03-26 14:22:19,520 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 49 transitions, 305 flow [2021-03-26 14:22:19,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:19,521 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:19,521 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:19,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 14:22:19,521 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:19,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:19,521 INFO L82 PathProgramCache]: Analyzing trace with hash -956742056, now seen corresponding path program 1 times [2021-03-26 14:22:19,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:19,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136403573] [2021-03-26 14:22:19,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:19,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:19,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:19,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:19,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:19,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:19,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:19,568 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 14:22:19,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136403573] [2021-03-26 14:22:19,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 14:22:19,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 14:22:19,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710535100] [2021-03-26 14:22:19,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 14:22:19,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:19,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 14:22:19,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 14:22:19,569 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-26 14:22:19,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 49 transitions, 305 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:19,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:19,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-26 14:22:19,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:20,019 INFO L129 PetriNetUnfolder]: 5581/6863 cut-off events. [2021-03-26 14:22:20,019 INFO L130 PetriNetUnfolder]: For 19466/20399 co-relation queries the response was YES. [2021-03-26 14:22:20,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27050 conditions, 6863 events. 5581/6863 cut-off events. For 19466/20399 co-relation queries the response was YES. Maximal size of possible extension queue 564. Compared 25574 event pairs, 109 based on Foata normal form. 125/6818 useless extension candidates. Maximal degree in co-relation 26920. Up to 3392 conditions per place. [2021-03-26 14:22:20,076 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 115 selfloop transitions, 10 changer transitions 0/137 dead transitions. [2021-03-26 14:22:20,077 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 137 transitions, 1193 flow [2021-03-26 14:22:20,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 14:22:20,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 14:22:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-03-26 14:22:20,078 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-03-26 14:22:20,078 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-03-26 14:22:20,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-03-26 14:22:20,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:20,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-03-26 14:22:20,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 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 14:22:20,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:20,080 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:20,080 INFO L185 Difference]: Start difference. First operand has 50 places, 49 transitions, 305 flow. Second operand 5 states and 199 transitions. [2021-03-26 14:22:20,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 137 transitions, 1193 flow [2021-03-26 14:22:20,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 137 transitions, 1142 flow, removed 16 selfloop flow, removed 1 redundant places. [2021-03-26 14:22:20,091 INFO L241 Difference]: Finished difference. Result has 55 places, 56 transitions, 355 flow [2021-03-26 14:22:20,092 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=355, PETRI_PLACES=55, PETRI_TRANSITIONS=56} [2021-03-26 14:22:20,092 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 16 predicate places. [2021-03-26 14:22:20,092 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:20,092 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 56 transitions, 355 flow [2021-03-26 14:22:20,092 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 56 transitions, 355 flow [2021-03-26 14:22:20,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 56 transitions, 355 flow [2021-03-26 14:22:20,138 INFO L129 PetriNetUnfolder]: 552/891 cut-off events. [2021-03-26 14:22:20,138 INFO L130 PetriNetUnfolder]: For 1507/1781 co-relation queries the response was YES. [2021-03-26 14:22:20,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3083 conditions, 891 events. 552/891 cut-off events. For 1507/1781 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3969 event pairs, 65 based on Foata normal form. 30/803 useless extension candidates. Maximal degree in co-relation 2890. Up to 579 conditions per place. [2021-03-26 14:22:20,155 INFO L142 LiptonReduction]: Number of co-enabled transitions 1070 [2021-03-26 14:22:20,161 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:20,161 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:20,161 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 69 [2021-03-26 14:22:20,161 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 56 transitions, 355 flow [2021-03-26 14:22:20,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:20,161 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:20,162 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:20,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 14:22:20,162 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:20,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:20,162 INFO L82 PathProgramCache]: Analyzing trace with hash 500486519, now seen corresponding path program 1 times [2021-03-26 14:22:20,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:20,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147267801] [2021-03-26 14:22:20,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:20,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:20,188 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 14:22:20,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147267801] [2021-03-26 14:22:20,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 14:22:20,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 14:22:20,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472294368] [2021-03-26 14:22:20,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 14:22:20,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:20,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 14:22:20,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 14:22:20,189 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-26 14:22:20,189 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 56 transitions, 355 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:20,189 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:20,190 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-26 14:22:20,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:20,620 INFO L129 PetriNetUnfolder]: 5467/6749 cut-off events. [2021-03-26 14:22:20,620 INFO L130 PetriNetUnfolder]: For 21282/22507 co-relation queries the response was YES. [2021-03-26 14:22:20,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30019 conditions, 6749 events. 5467/6749 cut-off events. For 21282/22507 co-relation queries the response was YES. Maximal size of possible extension queue 522. Compared 25164 event pairs, 109 based on Foata normal form. 137/6716 useless extension candidates. Maximal degree in co-relation 29880. Up to 3272 conditions per place. [2021-03-26 14:22:20,685 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 115 selfloop transitions, 8 changer transitions 0/135 dead transitions. [2021-03-26 14:22:20,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 135 transitions, 1175 flow [2021-03-26 14:22:20,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 14:22:20,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 14:22:20,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 198 transitions. [2021-03-26 14:22:20,687 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.66 [2021-03-26 14:22:20,687 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 198 transitions. [2021-03-26 14:22:20,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 198 transitions. [2021-03-26 14:22:20,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:20,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 198 transitions. [2021-03-26 14:22:20,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.6) internal successors, (198), 5 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:20,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:20,688 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:20,688 INFO L185 Difference]: Start difference. First operand has 55 places, 56 transitions, 355 flow. Second operand 5 states and 198 transitions. [2021-03-26 14:22:20,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 135 transitions, 1175 flow [2021-03-26 14:22:20,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 135 transitions, 1175 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 14:22:20,708 INFO L241 Difference]: Finished difference. Result has 60 places, 55 transitions, 369 flow [2021-03-26 14:22:20,708 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=341, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=369, PETRI_PLACES=60, PETRI_TRANSITIONS=55} [2021-03-26 14:22:20,708 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 21 predicate places. [2021-03-26 14:22:20,708 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:20,709 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 55 transitions, 369 flow [2021-03-26 14:22:20,709 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 55 transitions, 369 flow [2021-03-26 14:22:20,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 55 transitions, 369 flow [2021-03-26 14:22:20,751 INFO L129 PetriNetUnfolder]: 425/715 cut-off events. [2021-03-26 14:22:20,751 INFO L130 PetriNetUnfolder]: For 1288/1463 co-relation queries the response was YES. [2021-03-26 14:22:20,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2463 conditions, 715 events. 425/715 cut-off events. For 1288/1463 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3117 event pairs, 44 based on Foata normal form. 26/648 useless extension candidates. Maximal degree in co-relation 2276. Up to 446 conditions per place. [2021-03-26 14:22:20,765 INFO L142 LiptonReduction]: Number of co-enabled transitions 1070 [2021-03-26 14:22:20,770 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:20,770 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:20,770 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-03-26 14:22:20,771 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 55 transitions, 369 flow [2021-03-26 14:22:20,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:20,771 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:20,771 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:20,771 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 14:22:20,771 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:20,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:20,772 INFO L82 PathProgramCache]: Analyzing trace with hash -663879822, now seen corresponding path program 2 times [2021-03-26 14:22:20,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:20,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870769856] [2021-03-26 14:22:20,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:20,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:20,809 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 14:22:20,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870769856] [2021-03-26 14:22:20,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964220558] [2021-03-26 14:22:20,809 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 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 14:22:20,862 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 14:22:20,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 14:22:20,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-26 14:22:20,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:22:20,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:20,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:20,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:20,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:20,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:20,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:20,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:20,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:20,932 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 14:22:20,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:20,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:20,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:20,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:20,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:20,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:20,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:20,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:20,935 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 14:22:20,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:22:20,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-03-26 14:22:20,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940036577] [2021-03-26 14:22:20,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 14:22:20,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:20,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 14:22:20,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 14:22:20,937 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-26 14:22:20,937 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 55 transitions, 369 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:20,937 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:20,937 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-26 14:22:20,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:21,408 INFO L129 PetriNetUnfolder]: 5221/6549 cut-off events. [2021-03-26 14:22:21,408 INFO L130 PetriNetUnfolder]: For 23415/24554 co-relation queries the response was YES. [2021-03-26 14:22:21,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30422 conditions, 6549 events. 5221/6549 cut-off events. For 23415/24554 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 25875 event pairs, 897 based on Foata normal form. 249/6624 useless extension candidates. Maximal degree in co-relation 30240. Up to 3272 conditions per place. [2021-03-26 14:22:21,465 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 112 selfloop transitions, 8 changer transitions 0/132 dead transitions. [2021-03-26 14:22:21,466 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 132 transitions, 1166 flow [2021-03-26 14:22:21,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 14:22:21,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 14:22:21,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-03-26 14:22:21,467 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-03-26 14:22:21,467 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-03-26 14:22:21,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-03-26 14:22:21,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:21,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-03-26 14:22:21,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 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 14:22:21,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:21,469 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:21,469 INFO L185 Difference]: Start difference. First operand has 60 places, 55 transitions, 369 flow. Second operand 5 states and 199 transitions. [2021-03-26 14:22:21,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 132 transitions, 1166 flow [2021-03-26 14:22:21,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 132 transitions, 1159 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 14:22:21,487 INFO L241 Difference]: Finished difference. Result has 65 places, 58 transitions, 412 flow [2021-03-26 14:22:21,487 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=412, PETRI_PLACES=65, PETRI_TRANSITIONS=58} [2021-03-26 14:22:21,488 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 26 predicate places. [2021-03-26 14:22:21,488 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:21,488 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 58 transitions, 412 flow [2021-03-26 14:22:21,488 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 58 transitions, 412 flow [2021-03-26 14:22:21,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 58 transitions, 412 flow [2021-03-26 14:22:21,538 INFO L129 PetriNetUnfolder]: 544/907 cut-off events. [2021-03-26 14:22:21,538 INFO L130 PetriNetUnfolder]: For 1947/2194 co-relation queries the response was YES. [2021-03-26 14:22:21,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3366 conditions, 907 events. 544/907 cut-off events. For 1947/2194 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 4182 event pairs, 75 based on Foata normal form. 24/820 useless extension candidates. Maximal degree in co-relation 3155. Up to 577 conditions per place. [2021-03-26 14:22:21,557 INFO L142 LiptonReduction]: Number of co-enabled transitions 1186 [2021-03-26 14:22:21,562 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:21,562 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:21,562 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 74 [2021-03-26 14:22:21,563 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 58 transitions, 412 flow [2021-03-26 14:22:21,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:21,564 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:21,564 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:21,786 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 14:22:21,786 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:21,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:21,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1999294593, now seen corresponding path program 2 times [2021-03-26 14:22:21,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:21,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121014665] [2021-03-26 14:22:21,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:21,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:21,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:21,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:21,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:21,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:21,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:21,826 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 14:22:21,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121014665] [2021-03-26 14:22:21,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 14:22:21,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 14:22:21,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394435145] [2021-03-26 14:22:21,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 14:22:21,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:21,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 14:22:21,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 14:22:21,827 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-26 14:22:21,827 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 58 transitions, 412 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:21,827 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:21,827 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-26 14:22:21,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:22,388 INFO L129 PetriNetUnfolder]: 6313/7875 cut-off events. [2021-03-26 14:22:22,388 INFO L130 PetriNetUnfolder]: For 25768/26908 co-relation queries the response was YES. [2021-03-26 14:22:22,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39155 conditions, 7875 events. 6313/7875 cut-off events. For 25768/26908 co-relation queries the response was YES. Maximal size of possible extension queue 532. Compared 30984 event pairs, 797 based on Foata normal form. 250/7957 useless extension candidates. Maximal degree in co-relation 38976. Up to 4363 conditions per place. [2021-03-26 14:22:22,466 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 115 selfloop transitions, 8 changer transitions 0/135 dead transitions. [2021-03-26 14:22:22,467 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 135 transitions, 1224 flow [2021-03-26 14:22:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 14:22:22,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 14:22:22,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-03-26 14:22:22,468 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-03-26 14:22:22,468 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-03-26 14:22:22,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-03-26 14:22:22,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:22,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-03-26 14:22:22,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 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 14:22:22,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:22,470 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:22,470 INFO L185 Difference]: Start difference. First operand has 65 places, 58 transitions, 412 flow. Second operand 5 states and 199 transitions. [2021-03-26 14:22:22,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 135 transitions, 1224 flow [2021-03-26 14:22:22,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 135 transitions, 1215 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-26 14:22:22,542 INFO L241 Difference]: Finished difference. Result has 70 places, 61 transitions, 460 flow [2021-03-26 14:22:22,542 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=460, PETRI_PLACES=70, PETRI_TRANSITIONS=61} [2021-03-26 14:22:22,542 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 31 predicate places. [2021-03-26 14:22:22,542 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:22,543 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 61 transitions, 460 flow [2021-03-26 14:22:22,543 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 61 transitions, 460 flow [2021-03-26 14:22:22,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 61 transitions, 460 flow [2021-03-26 14:22:22,602 INFO L129 PetriNetUnfolder]: 672/1076 cut-off events. [2021-03-26 14:22:22,603 INFO L130 PetriNetUnfolder]: For 2801/3131 co-relation queries the response was YES. [2021-03-26 14:22:22,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4357 conditions, 1076 events. 672/1076 cut-off events. For 2801/3131 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4804 event pairs, 97 based on Foata normal form. 22/974 useless extension candidates. Maximal degree in co-relation 4149. Up to 722 conditions per place. [2021-03-26 14:22:22,625 INFO L142 LiptonReduction]: Number of co-enabled transitions 1302 [2021-03-26 14:22:22,631 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:22,631 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:22,632 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 90 [2021-03-26 14:22:22,632 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 61 transitions, 460 flow [2021-03-26 14:22:22,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:22,632 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:22,633 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:22,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 14:22:22,633 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:22,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:22,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1627534553, now seen corresponding path program 2 times [2021-03-26 14:22:22,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:22,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159917192] [2021-03-26 14:22:22,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:22,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:22,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:22,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:22,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:22,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:22,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:22,664 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 14:22:22,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159917192] [2021-03-26 14:22:22,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 14:22:22,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 14:22:22,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019094793] [2021-03-26 14:22:22,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 14:22:22,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:22,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 14:22:22,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 14:22:22,666 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-26 14:22:22,666 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 61 transitions, 460 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:22,666 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:22,666 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-26 14:22:22,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:23,145 INFO L129 PetriNetUnfolder]: 5321/6704 cut-off events. [2021-03-26 14:22:23,145 INFO L130 PetriNetUnfolder]: For 32263/33493 co-relation queries the response was YES. [2021-03-26 14:22:23,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34455 conditions, 6704 events. 5321/6704 cut-off events. For 32263/33493 co-relation queries the response was YES. Maximal size of possible extension queue 443. Compared 27997 event pairs, 151 based on Foata normal form. 149/6683 useless extension candidates. Maximal degree in co-relation 34220. Up to 3368 conditions per place. [2021-03-26 14:22:23,207 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 127 selfloop transitions, 9 changer transitions 0/148 dead transitions. [2021-03-26 14:22:23,208 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 148 transitions, 1502 flow [2021-03-26 14:22:23,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 14:22:23,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 14:22:23,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 198 transitions. [2021-03-26 14:22:23,209 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.66 [2021-03-26 14:22:23,209 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 198 transitions. [2021-03-26 14:22:23,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 198 transitions. [2021-03-26 14:22:23,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:23,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 198 transitions. [2021-03-26 14:22:23,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.6) internal successors, (198), 5 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:23,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:23,211 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:23,211 INFO L185 Difference]: Start difference. First operand has 70 places, 61 transitions, 460 flow. Second operand 5 states and 198 transitions. [2021-03-26 14:22:23,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 148 transitions, 1502 flow [2021-03-26 14:22:23,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 148 transitions, 1441 flow, removed 24 selfloop flow, removed 1 redundant places. [2021-03-26 14:22:23,263 INFO L241 Difference]: Finished difference. Result has 74 places, 60 transitions, 458 flow [2021-03-26 14:22:23,264 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=425, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=458, PETRI_PLACES=74, PETRI_TRANSITIONS=60} [2021-03-26 14:22:23,264 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 35 predicate places. [2021-03-26 14:22:23,264 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:23,264 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 60 transitions, 458 flow [2021-03-26 14:22:23,264 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 60 transitions, 458 flow [2021-03-26 14:22:23,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 60 transitions, 458 flow [2021-03-26 14:22:23,318 INFO L129 PetriNetUnfolder]: 508/844 cut-off events. [2021-03-26 14:22:23,318 INFO L130 PetriNetUnfolder]: For 2047/2254 co-relation queries the response was YES. [2021-03-26 14:22:23,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3339 conditions, 844 events. 508/844 cut-off events. For 2047/2254 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3795 event pairs, 81 based on Foata normal form. 20/779 useless extension candidates. Maximal degree in co-relation 3145. Up to 534 conditions per place. [2021-03-26 14:22:23,336 INFO L142 LiptonReduction]: Number of co-enabled transitions 1306 [2021-03-26 14:22:23,343 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:23,343 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:23,343 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 79 [2021-03-26 14:22:23,343 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 60 transitions, 458 flow [2021-03-26 14:22:23,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:23,344 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:23,345 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:23,345 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 14:22:23,345 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:23,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:23,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1940362611, now seen corresponding path program 2 times [2021-03-26 14:22:23,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:23,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654031078] [2021-03-26 14:22:23,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:23,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:23,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,370 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 14:22:23,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654031078] [2021-03-26 14:22:23,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621576196] [2021-03-26 14:22:23,370 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 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 14:22:23,415 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 14:22:23,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 14:22:23,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-26 14:22:23,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:22:23,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:23,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:23,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:23,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:23,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:23,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:23,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:23,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:23,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:23,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:23,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:23,456 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 14:22:23,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:23,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:23,467 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 14:22:23,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:22:23,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-03-26 14:22:23,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038567020] [2021-03-26 14:22:23,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 14:22:23,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:23,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 14:22:23,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 14:22:23,469 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-26 14:22:23,470 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 60 transitions, 458 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:23,470 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:23,470 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-26 14:22:23,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:23,963 INFO L129 PetriNetUnfolder]: 6433/7992 cut-off events. [2021-03-26 14:22:23,963 INFO L130 PetriNetUnfolder]: For 36199/37678 co-relation queries the response was YES. [2021-03-26 14:22:23,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41909 conditions, 7992 events. 6433/7992 cut-off events. For 36199/37678 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 31731 event pairs, 1471 based on Foata normal form. 252/8087 useless extension candidates. Maximal degree in co-relation 41736. Up to 4421 conditions per place. [2021-03-26 14:22:24,037 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 126 selfloop transitions, 8 changer transitions 0/146 dead transitions. [2021-03-26 14:22:24,038 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 146 transitions, 1437 flow [2021-03-26 14:22:24,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 14:22:24,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 14:22:24,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-03-26 14:22:24,039 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-03-26 14:22:24,039 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-03-26 14:22:24,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-03-26 14:22:24,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:24,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-03-26 14:22:24,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 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 14:22:24,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:24,041 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:24,041 INFO L185 Difference]: Start difference. First operand has 74 places, 60 transitions, 458 flow. Second operand 5 states and 199 transitions. [2021-03-26 14:22:24,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 146 transitions, 1437 flow [2021-03-26 14:22:24,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 146 transitions, 1428 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-26 14:22:24,084 INFO L241 Difference]: Finished difference. Result has 79 places, 63 transitions, 499 flow [2021-03-26 14:22:24,085 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=499, PETRI_PLACES=79, PETRI_TRANSITIONS=63} [2021-03-26 14:22:24,085 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 40 predicate places. [2021-03-26 14:22:24,085 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:24,085 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 63 transitions, 499 flow [2021-03-26 14:22:24,085 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 63 transitions, 499 flow [2021-03-26 14:22:24,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 63 transitions, 499 flow [2021-03-26 14:22:24,163 INFO L129 PetriNetUnfolder]: 883/1328 cut-off events. [2021-03-26 14:22:24,163 INFO L130 PetriNetUnfolder]: For 3874/4224 co-relation queries the response was YES. [2021-03-26 14:22:24,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5680 conditions, 1328 events. 883/1328 cut-off events. For 3874/4224 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5761 event pairs, 142 based on Foata normal form. 27/1243 useless extension candidates. Maximal degree in co-relation 5463. Up to 959 conditions per place. [2021-03-26 14:22:24,190 INFO L142 LiptonReduction]: Number of co-enabled transitions 1436 [2021-03-26 14:22:24,196 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:24,196 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:24,196 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 111 [2021-03-26 14:22:24,198 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 63 transitions, 499 flow [2021-03-26 14:22:24,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:24,198 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:24,198 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:24,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 14:22:24,420 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:24,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:24,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1535541411, now seen corresponding path program 2 times [2021-03-26 14:22:24,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:24,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198103616] [2021-03-26 14:22:24,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:24,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:24,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:24,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,441 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 14:22:24,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198103616] [2021-03-26 14:22:24,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140501269] [2021-03-26 14:22:24,441 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 14:22:24,479 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 14:22:24,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 14:22:24,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-26 14:22:24,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:22:24,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:24,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:24,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:24,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:24,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:24,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:24,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:24,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:24,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:24,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:24,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:24,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:24,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:24,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:24,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:24,520 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-26 14:22:24,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:24,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:24,537 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 14:22:24,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:22:24,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-03-26 14:22:24,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231362241] [2021-03-26 14:22:24,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 14:22:24,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:24,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 14:22:24,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 14:22:24,540 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-26 14:22:24,540 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 63 transitions, 499 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:24,540 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:24,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-26 14:22:24,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:25,208 INFO L129 PetriNetUnfolder]: 7777/9633 cut-off events. [2021-03-26 14:22:25,208 INFO L130 PetriNetUnfolder]: For 48872/50159 co-relation queries the response was YES. [2021-03-26 14:22:25,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52889 conditions, 9633 events. 7777/9633 cut-off events. For 48872/50159 co-relation queries the response was YES. Maximal size of possible extension queue 597. Compared 39090 event pairs, 2558 based on Foata normal form. 328/9807 useless extension candidates. Maximal degree in co-relation 52704. Up to 5333 conditions per place. [2021-03-26 14:22:25,295 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 146 selfloop transitions, 8 changer transitions 0/166 dead transitions. [2021-03-26 14:22:25,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 166 transitions, 1711 flow [2021-03-26 14:22:25,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 14:22:25,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 14:22:25,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 199 transitions. [2021-03-26 14:22:25,296 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6633333333333333 [2021-03-26 14:22:25,296 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 199 transitions. [2021-03-26 14:22:25,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 199 transitions. [2021-03-26 14:22:25,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:25,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 199 transitions. [2021-03-26 14:22:25,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 39.8) internal successors, (199), 5 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 14:22:25,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:25,298 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:25,298 INFO L185 Difference]: Start difference. First operand has 79 places, 63 transitions, 499 flow. Second operand 5 states and 199 transitions. [2021-03-26 14:22:25,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 166 transitions, 1711 flow [2021-03-26 14:22:25,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 166 transitions, 1633 flow, removed 28 selfloop flow, removed 2 redundant places. [2021-03-26 14:22:25,389 INFO L241 Difference]: Finished difference. Result has 83 places, 66 transitions, 529 flow [2021-03-26 14:22:25,389 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=529, PETRI_PLACES=83, PETRI_TRANSITIONS=66} [2021-03-26 14:22:25,389 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 44 predicate places. [2021-03-26 14:22:25,389 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:25,389 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 66 transitions, 529 flow [2021-03-26 14:22:25,390 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 66 transitions, 529 flow [2021-03-26 14:22:25,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 66 transitions, 529 flow [2021-03-26 14:22:25,463 INFO L129 PetriNetUnfolder]: 902/1391 cut-off events. [2021-03-26 14:22:25,463 INFO L130 PetriNetUnfolder]: For 4197/4450 co-relation queries the response was YES. [2021-03-26 14:22:25,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6085 conditions, 1391 events. 902/1391 cut-off events. For 4197/4450 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 6413 event pairs, 152 based on Foata normal form. 1/1286 useless extension candidates. Maximal degree in co-relation 5861. Up to 976 conditions per place. [2021-03-26 14:22:25,504 INFO L142 LiptonReduction]: Number of co-enabled transitions 1588 [2021-03-26 14:22:25,510 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:25,511 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:25,511 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 122 [2021-03-26 14:22:25,511 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 66 transitions, 529 flow [2021-03-26 14:22:25,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:25,511 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:25,512 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:25,733 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-03-26 14:22:25,733 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:25,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:25,734 INFO L82 PathProgramCache]: Analyzing trace with hash 510995144, now seen corresponding path program 1 times [2021-03-26 14:22:25,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:25,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770214871] [2021-03-26 14:22:25,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:25,759 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 14:22:25,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:25,770 INFO L142 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-03-26 14:22:25,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,789 INFO L142 QuantifierPusher]: treesize reduction 19, result has 44.1 percent of original size [2021-03-26 14:22:25,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 14:22:25,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:22:25,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770214871] [2021-03-26 14:22:25,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347004874] [2021-03-26 14:22:25,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 14:22:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:25,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 14:22:25,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:22:25,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:25,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:25,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:25,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:25,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:25,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:25,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:25,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:25,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:22:25,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:22:25,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:22:25,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:22:25,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,854 INFO L147 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result has 100.0 percent of original size 17 [2021-03-26 14:22:25,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:25,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:25,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:25,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:22:25,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:22:25,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-03-26 14:22:25,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992482034] [2021-03-26 14:22:25,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 14:22:25,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:25,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 14:22:25,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 14:22:25,955 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-03-26 14:22:25,955 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 66 transitions, 529 flow. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 5 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:25,955 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:25,955 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-03-26 14:22:25,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:26,631 INFO L129 PetriNetUnfolder]: 8417/10535 cut-off events. [2021-03-26 14:22:26,632 INFO L130 PetriNetUnfolder]: For 55899/58249 co-relation queries the response was YES. [2021-03-26 14:22:26,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58915 conditions, 10535 events. 8417/10535 cut-off events. For 55899/58249 co-relation queries the response was YES. Maximal size of possible extension queue 683. Compared 44630 event pairs, 1595 based on Foata normal form. 36/10374 useless extension candidates. Maximal degree in co-relation 58624. Up to 9544 conditions per place. [2021-03-26 14:22:26,721 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 81 selfloop transitions, 21 changer transitions 0/114 dead transitions. [2021-03-26 14:22:26,721 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 114 transitions, 1121 flow [2021-03-26 14:22:26,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 14:22:26,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 14:22:26,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-03-26 14:22:26,723 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-03-26 14:22:26,723 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-03-26 14:22:26,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-03-26 14:22:26,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:26,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-03-26 14:22:26,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:26,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:26,724 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:26,724 INFO L185 Difference]: Start difference. First operand has 83 places, 66 transitions, 529 flow. Second operand 5 states and 182 transitions. [2021-03-26 14:22:26,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 114 transitions, 1121 flow [2021-03-26 14:22:26,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 114 transitions, 1104 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-03-26 14:22:26,796 INFO L241 Difference]: Finished difference. Result has 88 places, 80 transitions, 745 flow [2021-03-26 14:22:26,796 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=745, PETRI_PLACES=88, PETRI_TRANSITIONS=80} [2021-03-26 14:22:26,796 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 49 predicate places. [2021-03-26 14:22:26,796 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:26,796 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 80 transitions, 745 flow [2021-03-26 14:22:26,797 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 80 transitions, 745 flow [2021-03-26 14:22:26,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 80 transitions, 745 flow [2021-03-26 14:22:26,910 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([139] thread4EXIT-->L78: Formula: (and (= 4 v_thread4Thread1of1ForFork2_thidvar3_4) (= 4 v_thread4Thread1of1ForFork2_thidvar0_4) (= 4 v_thread4Thread1of1ForFork2_thidvar1_4) (= 4 v_thread4Thread1of1ForFork2_thidvar2_4)) InVars {thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][62], [322#(<= n x3), Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 319#true, 327#true, Black: 71#(= x1 x2), Black: 392#(and (<= (+ x3 1) n) (<= x3 x4)), Black: 72#(and (<= n x1) (= x2 x1)), Black: 330#(<= (+ x3 1) n), 76#true, 396#true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 462#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 399#(<= (+ x1 1) n), Black: 79#(<= (+ x4 1) n), 146#true, 466#true, Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 500#(and (= x6 x5) (= x4 x3) (<= x1 (* 2 (div x2 2))) (<= (* 2 (div x2 2)) x1) (= (mod x2 2) 0)), Black: 149#(<= (+ x2 1) n), Black: 469#(and (<= (* 2 x2) x1) (= x6 x5) (= x4 x3) (<= x1 (* 2 x2))), 26#L78true, 219#(<= n x4), Black: 218#(<= x3 x4), 224#true, Black: 226#(<= x6 x5), Black: 229#(and (<= x6 x5) (<= n x5)), 233#true, 43#L60true, 241#true, 50#L52true, Black: 306#(and (<= (+ x6 1) n) (<= x6 x5)), Black: 244#(<= (+ x6 1) n), 313#(<= (+ x5 1) n), Black: 315#(and (<= x5 x6) (<= (+ x5 1) n))]) [2021-03-26 14:22:26,910 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is not cut-off event [2021-03-26 14:22:26,910 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-03-26 14:22:26,910 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-03-26 14:22:26,911 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-03-26 14:22:26,914 INFO L129 PetriNetUnfolder]: 1089/1663 cut-off events. [2021-03-26 14:22:26,914 INFO L130 PetriNetUnfolder]: For 6638/7213 co-relation queries the response was YES. [2021-03-26 14:22:26,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7584 conditions, 1663 events. 1089/1663 cut-off events. For 6638/7213 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 7738 event pairs, 162 based on Foata normal form. 1/1536 useless extension candidates. Maximal degree in co-relation 7300. Up to 1186 conditions per place. [2021-03-26 14:22:26,946 INFO L142 LiptonReduction]: Number of co-enabled transitions 1916 [2021-03-26 14:22:26,957 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:26,957 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:26,957 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 161 [2021-03-26 14:22:26,958 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 80 transitions, 745 flow [2021-03-26 14:22:26,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 5 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:26,958 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:26,958 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:27,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 14:22:27,181 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:27,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:27,182 INFO L82 PathProgramCache]: Analyzing trace with hash 242192200, now seen corresponding path program 1 times [2021-03-26 14:22:27,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:27,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942575658] [2021-03-26 14:22:27,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:27,205 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-26 14:22:27,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,214 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 14:22:27,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:27,226 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-03-26 14:22:27,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 14:22:27,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:22:27,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942575658] [2021-03-26 14:22:27,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784408347] [2021-03-26 14:22:27,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 14:22:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:27,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 14:22:27,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:22:27,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:27,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:27,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:27,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:27,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:27,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:27,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:27,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:27,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:27,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:27,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:27,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:27,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:27,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:27,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:27,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:27,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:27,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:27,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:27,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:27,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:27,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:27,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:27,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:22:27,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:22:27,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-03-26 14:22:27,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277201226] [2021-03-26 14:22:27,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 14:22:27,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:27,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 14:22:27,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 14:22:27,389 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-03-26 14:22:27,389 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 80 transitions, 745 flow. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:27,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:27,389 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-03-26 14:22:27,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:28,242 INFO L129 PetriNetUnfolder]: 9057/11303 cut-off events. [2021-03-26 14:22:28,242 INFO L130 PetriNetUnfolder]: For 69103/74442 co-relation queries the response was YES. [2021-03-26 14:22:28,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65257 conditions, 11303 events. 9057/11303 cut-off events. For 69103/74442 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 48003 event pairs, 2435 based on Foata normal form. 38/11125 useless extension candidates. Maximal degree in co-relation 64984. Up to 10345 conditions per place. [2021-03-26 14:22:28,319 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 95 selfloop transitions, 21 changer transitions 0/128 dead transitions. [2021-03-26 14:22:28,319 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 128 transitions, 1385 flow [2021-03-26 14:22:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 14:22:28,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 14:22:28,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-03-26 14:22:28,320 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-03-26 14:22:28,320 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-03-26 14:22:28,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-03-26 14:22:28,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:28,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-03-26 14:22:28,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:28,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:28,322 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:28,322 INFO L185 Difference]: Start difference. First operand has 88 places, 80 transitions, 745 flow. Second operand 5 states and 182 transitions. [2021-03-26 14:22:28,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 128 transitions, 1385 flow [2021-03-26 14:22:28,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 128 transitions, 1350 flow, removed 14 selfloop flow, removed 1 redundant places. [2021-03-26 14:22:28,380 INFO L241 Difference]: Finished difference. Result has 93 places, 94 transitions, 939 flow [2021-03-26 14:22:28,380 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=710, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=939, PETRI_PLACES=93, PETRI_TRANSITIONS=94} [2021-03-26 14:22:28,380 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 54 predicate places. [2021-03-26 14:22:28,380 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:28,380 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 94 transitions, 939 flow [2021-03-26 14:22:28,380 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 94 transitions, 939 flow [2021-03-26 14:22:28,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 94 transitions, 939 flow [2021-03-26 14:22:28,467 INFO L129 PetriNetUnfolder]: 1092/1664 cut-off events. [2021-03-26 14:22:28,467 INFO L130 PetriNetUnfolder]: For 7361/7930 co-relation queries the response was YES. [2021-03-26 14:22:28,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8070 conditions, 1664 events. 1092/1664 cut-off events. For 7361/7930 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 7731 event pairs, 99 based on Foata normal form. 6/1572 useless extension candidates. Maximal degree in co-relation 7785. Up to 1171 conditions per place. [2021-03-26 14:22:28,493 INFO L142 LiptonReduction]: Number of co-enabled transitions 2200 [2021-03-26 14:22:28,502 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:28,502 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:28,502 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 122 [2021-03-26 14:22:28,502 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 94 transitions, 939 flow [2021-03-26 14:22:28,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:28,503 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:28,503 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:28,712 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-03-26 14:22:28,712 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:28,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:28,712 INFO L82 PathProgramCache]: Analyzing trace with hash 684819198, now seen corresponding path program 2 times [2021-03-26 14:22:28,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:28,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714426425] [2021-03-26 14:22:28,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:28,819 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-26 14:22:28,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,827 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 14:22:28,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:28,837 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-03-26 14:22:28,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 14:22:28,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:22:28,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714426425] [2021-03-26 14:22:28,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776280436] [2021-03-26 14:22:28,840 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 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 14:22:28,891 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 14:22:28,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 14:22:28,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 14:22:28,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:22:28,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:28,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:28,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:28,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:28,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:28,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:28,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:28,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:28,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:28,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:28,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:28,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:28,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:28,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:28,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:28,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:28,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:28,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:28,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:28,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:28,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:28,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:28,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:28,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:29,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:29,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:29,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:29,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:29,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:29,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:29,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:29,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:29,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:29,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:29,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:29,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:29,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:29,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:29,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:22:29,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:22:29,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-03-26 14:22:29,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529657548] [2021-03-26 14:22:29,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 14:22:29,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:29,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 14:22:29,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 14:22:29,015 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-03-26 14:22:29,015 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 94 transitions, 939 flow. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:29,015 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:29,015 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-03-26 14:22:29,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:29,950 INFO L129 PetriNetUnfolder]: 9697/12108 cut-off events. [2021-03-26 14:22:29,950 INFO L130 PetriNetUnfolder]: For 76569/80071 co-relation queries the response was YES. [2021-03-26 14:22:29,992 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72406 conditions, 12108 events. 9697/12108 cut-off events. For 76569/80071 co-relation queries the response was YES. Maximal size of possible extension queue 775. Compared 51229 event pairs, 2603 based on Foata normal form. 26/11936 useless extension candidates. Maximal degree in co-relation 72112. Up to 11146 conditions per place. [2021-03-26 14:22:30,114 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 109 selfloop transitions, 21 changer transitions 0/142 dead transitions. [2021-03-26 14:22:30,114 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 142 transitions, 1632 flow [2021-03-26 14:22:30,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 14:22:30,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 14:22:30,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-03-26 14:22:30,115 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-03-26 14:22:30,115 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-03-26 14:22:30,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-03-26 14:22:30,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:30,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-03-26 14:22:30,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:30,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:30,119 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:30,119 INFO L185 Difference]: Start difference. First operand has 93 places, 94 transitions, 939 flow. Second operand 5 states and 182 transitions. [2021-03-26 14:22:30,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 142 transitions, 1632 flow [2021-03-26 14:22:30,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 142 transitions, 1589 flow, removed 18 selfloop flow, removed 1 redundant places. [2021-03-26 14:22:30,206 INFO L241 Difference]: Finished difference. Result has 98 places, 108 transitions, 1145 flow [2021-03-26 14:22:30,206 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1145, PETRI_PLACES=98, PETRI_TRANSITIONS=108} [2021-03-26 14:22:30,207 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 59 predicate places. [2021-03-26 14:22:30,207 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:30,207 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 108 transitions, 1145 flow [2021-03-26 14:22:30,207 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 108 transitions, 1145 flow [2021-03-26 14:22:30,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 108 transitions, 1145 flow [2021-03-26 14:22:30,341 INFO L129 PetriNetUnfolder]: 1083/1678 cut-off events. [2021-03-26 14:22:30,342 INFO L130 PetriNetUnfolder]: For 7767/8202 co-relation queries the response was YES. [2021-03-26 14:22:30,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8448 conditions, 1678 events. 1083/1678 cut-off events. For 7767/8202 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 8207 event pairs, 105 based on Foata normal form. 2/1591 useless extension candidates. Maximal degree in co-relation 8132. Up to 1144 conditions per place. [2021-03-26 14:22:30,373 INFO L142 LiptonReduction]: Number of co-enabled transitions 2472 [2021-03-26 14:22:30,388 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:30,389 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:30,389 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 182 [2021-03-26 14:22:30,389 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 108 transitions, 1145 flow [2021-03-26 14:22:30,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:30,389 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:30,390 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:30,603 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-26 14:22:30,604 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:30,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:30,604 INFO L82 PathProgramCache]: Analyzing trace with hash -2082166833, now seen corresponding path program 1 times [2021-03-26 14:22:30,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:30,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231484259] [2021-03-26 14:22:30,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:30,635 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-26 14:22:30,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,643 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 14:22:30,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:30,654 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-03-26 14:22:30,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 14:22:30,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:22:30,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231484259] [2021-03-26 14:22:30,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633608867] [2021-03-26 14:22:30,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 14:22:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:30,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 14:22:30,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:22:30,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:30,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:30,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:30,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:30,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:30,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:30,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:30,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:30,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:30,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:30,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:30,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:30,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:30,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:30,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:30,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:22:30,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:22:30,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-03-26 14:22:30,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920861195] [2021-03-26 14:22:30,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 14:22:30,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:30,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 14:22:30,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 14:22:30,806 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-03-26 14:22:30,806 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 108 transitions, 1145 flow. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:30,806 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:30,806 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-03-26 14:22:30,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:31,824 INFO L129 PetriNetUnfolder]: 10337/12942 cut-off events. [2021-03-26 14:22:31,824 INFO L130 PetriNetUnfolder]: For 86969/90937 co-relation queries the response was YES. [2021-03-26 14:22:31,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78914 conditions, 12942 events. 10337/12942 cut-off events. For 86969/90937 co-relation queries the response was YES. Maximal size of possible extension queue 851. Compared 56016 event pairs, 2699 based on Foata normal form. 51/12782 useless extension candidates. Maximal degree in co-relation 78568. Up to 11947 conditions per place. [2021-03-26 14:22:31,931 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 123 selfloop transitions, 21 changer transitions 0/156 dead transitions. [2021-03-26 14:22:31,931 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 156 transitions, 1834 flow [2021-03-26 14:22:31,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 14:22:31,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 14:22:31,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-03-26 14:22:31,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-03-26 14:22:31,932 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-03-26 14:22:31,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-03-26 14:22:31,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:31,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-03-26 14:22:31,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:31,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:31,933 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:31,933 INFO L185 Difference]: Start difference. First operand has 98 places, 108 transitions, 1145 flow. Second operand 5 states and 182 transitions. [2021-03-26 14:22:31,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 156 transitions, 1834 flow [2021-03-26 14:22:32,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 156 transitions, 1767 flow, removed 30 selfloop flow, removed 1 redundant places. [2021-03-26 14:22:32,131 INFO L241 Difference]: Finished difference. Result has 103 places, 122 transitions, 1303 flow [2021-03-26 14:22:32,131 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=1078, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1303, PETRI_PLACES=103, PETRI_TRANSITIONS=122} [2021-03-26 14:22:32,131 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 64 predicate places. [2021-03-26 14:22:32,132 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:32,132 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 122 transitions, 1303 flow [2021-03-26 14:22:32,132 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 122 transitions, 1303 flow [2021-03-26 14:22:32,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 122 transitions, 1303 flow [2021-03-26 14:22:32,235 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([139] thread4EXIT-->L78: Formula: (and (= 4 v_thread4Thread1of1ForFork2_thidvar3_4) (= 4 v_thread4Thread1of1ForFork2_thidvar0_4) (= 4 v_thread4Thread1of1ForFork2_thidvar1_4) (= 4 v_thread4Thread1of1ForFork2_thidvar2_4)) InVars {thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][110], [322#(<= n x3), Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 319#true, 327#true, 9#thread5EXITtrue, Black: 392#(and (<= (+ x3 1) n) (<= x3 x4)), Black: 71#(= x1 x2), Black: 330#(<= (+ x3 1) n), Black: 72#(and (<= n x1) (= x2 x1)), 396#true, 76#true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 462#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 79#(<= (+ x4 1) n), Black: 399#(<= (+ x1 1) n), 466#true, 146#true, Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 500#(and (= x6 x5) (= x4 x3) (<= x1 (* 2 (div x2 2))) (<= (* 2 (div x2 2)) x1) (= (mod x2 2) 0)), Black: 149#(<= (+ x2 1) n), Black: 469#(and (<= (* 2 x2) x1) (= x6 x5) (= x4 x3) (<= x1 (* 2 x2))), 537#true, 26#L78true, 219#(<= n x4), Black: 583#(and (<= x5 (* 2 (div x6 2))) (= x4 x3) (= (mod x6 2) 0) (= x2 x1) (<= (* 2 (div x6 2)) x5)), Black: 218#(<= x3 x4), Black: 540#(and (= x4 x3) (= x2 x1) (<= x5 (* 2 x6)) (<= (* 2 x6) x5)), 608#true, 227#(<= n x5), Black: 611#(and (= x4 x3) (<= (* 2 x5) x6) (= x2 x1) (<= x6 (* 2 x5))), Black: 654#(and (= x4 x3) (<= x6 (* 2 (div (* x5 (- 1)) (- 2)))) (<= (* 2 (div (* x5 (- 1)) (- 2))) x6) (= x2 x1) (= (mod x5 (- 2)) 0)), 679#true, Black: 226#(<= x6 x5), Black: 229#(and (<= x6 x5) (<= n x5)), 233#true, 43#L60true, Black: 722#(and (<= (* 2 (div x4 2)) x3) (= x6 x5) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 682#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x6 x5) (= x2 x1)), 241#true, Black: 306#(and (<= (+ x6 1) n) (<= x6 x5)), Black: 244#(<= (+ x6 1) n), 310#true, Black: 313#(<= (+ x5 1) n), Black: 315#(and (<= x5 x6) (<= (+ x5 1) n))]) [2021-03-26 14:22:32,235 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is not cut-off event [2021-03-26 14:22:32,235 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2021-03-26 14:22:32,235 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2021-03-26 14:22:32,235 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2021-03-26 14:22:32,238 INFO L129 PetriNetUnfolder]: 1051/1647 cut-off events. [2021-03-26 14:22:32,238 INFO L130 PetriNetUnfolder]: For 10149/11008 co-relation queries the response was YES. [2021-03-26 14:22:32,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8691 conditions, 1647 events. 1051/1647 cut-off events. For 10149/11008 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 8064 event pairs, 109 based on Foata normal form. 7/1558 useless extension candidates. Maximal degree in co-relation 8429. Up to 1101 conditions per place. [2021-03-26 14:22:32,270 INFO L142 LiptonReduction]: Number of co-enabled transitions 2792 [2021-03-26 14:22:32,277 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:32,277 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:32,277 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 146 [2021-03-26 14:22:32,277 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 122 transitions, 1303 flow [2021-03-26 14:22:32,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:32,277 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:32,277 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:32,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-26 14:22:32,478 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:32,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:32,479 INFO L82 PathProgramCache]: Analyzing trace with hash 546785441, now seen corresponding path program 2 times [2021-03-26 14:22:32,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:32,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604031413] [2021-03-26 14:22:32,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:32,510 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-26 14:22:32,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,518 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 14:22:32,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:32,529 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-03-26 14:22:32,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 14:22:32,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:22:32,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604031413] [2021-03-26 14:22:32,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985083960] [2021-03-26 14:22:32,533 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 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 14:22:32,586 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 14:22:32,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 14:22:32,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 14:22:32,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:22:32,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:32,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:32,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:32,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:32,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:32,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 14:22:32,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 14:22:32,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 14:22:32,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 14:22:32,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:32,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:32,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:32,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:32,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:32,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:32,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:32,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:32,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:32,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:32,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:32,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:32,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:32,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:32,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:22:32,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:22:32,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-03-26 14:22:32,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630695922] [2021-03-26 14:22:32,690 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 14:22:32,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:32,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 14:22:32,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 14:22:32,691 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-03-26 14:22:32,691 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 122 transitions, 1303 flow. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:32,691 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:32,691 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-03-26 14:22:32,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:33,727 INFO L129 PetriNetUnfolder]: 10977/13835 cut-off events. [2021-03-26 14:22:33,728 INFO L130 PetriNetUnfolder]: For 90256/98174 co-relation queries the response was YES. [2021-03-26 14:22:33,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85435 conditions, 13835 events. 10977/13835 cut-off events. For 90256/98174 co-relation queries the response was YES. Maximal size of possible extension queue 910. Compared 62163 event pairs, 1249 based on Foata normal form. 49/13685 useless extension candidates. Maximal degree in co-relation 84976. Up to 12748 conditions per place. [2021-03-26 14:22:33,942 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 137 selfloop transitions, 21 changer transitions 0/170 dead transitions. [2021-03-26 14:22:33,942 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 170 transitions, 2041 flow [2021-03-26 14:22:33,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 14:22:33,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 14:22:33,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-03-26 14:22:33,944 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-03-26 14:22:33,944 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-03-26 14:22:33,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-03-26 14:22:33,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:33,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-03-26 14:22:33,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:33,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:33,945 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:33,945 INFO L185 Difference]: Start difference. First operand has 103 places, 122 transitions, 1303 flow. Second operand 5 states and 182 transitions. [2021-03-26 14:22:33,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 170 transitions, 2041 flow [2021-03-26 14:22:34,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 170 transitions, 1992 flow, removed 21 selfloop flow, removed 1 redundant places. [2021-03-26 14:22:34,113 INFO L241 Difference]: Finished difference. Result has 108 places, 136 transitions, 1499 flow [2021-03-26 14:22:34,113 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=1254, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1499, PETRI_PLACES=108, PETRI_TRANSITIONS=136} [2021-03-26 14:22:34,113 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 69 predicate places. [2021-03-26 14:22:34,113 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:34,113 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 136 transitions, 1499 flow [2021-03-26 14:22:34,114 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 136 transitions, 1499 flow [2021-03-26 14:22:34,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 136 transitions, 1499 flow [2021-03-26 14:22:34,210 INFO L129 PetriNetUnfolder]: 1159/1756 cut-off events. [2021-03-26 14:22:34,210 INFO L130 PetriNetUnfolder]: For 11689/12806 co-relation queries the response was YES. [2021-03-26 14:22:34,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9739 conditions, 1756 events. 1159/1756 cut-off events. For 11689/12806 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 8319 event pairs, 116 based on Foata normal form. 5/1655 useless extension candidates. Maximal degree in co-relation 9399. Up to 1220 conditions per place. [2021-03-26 14:22:34,239 INFO L142 LiptonReduction]: Number of co-enabled transitions 3104 [2021-03-26 14:22:34,244 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:34,244 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:34,244 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 131 [2021-03-26 14:22:34,245 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 136 transitions, 1499 flow [2021-03-26 14:22:34,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:34,245 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:34,245 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:34,445 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-26 14:22:34,446 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:34,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:34,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1048521362, now seen corresponding path program 2 times [2021-03-26 14:22:34,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:34,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158780618] [2021-03-26 14:22:34,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:34,462 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-26 14:22:34,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,470 INFO L142 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-03-26 14:22:34,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:34,480 INFO L142 QuantifierPusher]: treesize reduction 19, result has 44.1 percent of original size [2021-03-26 14:22:34,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 14:22:34,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 14:22:34,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158780618] [2021-03-26 14:22:34,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728479705] [2021-03-26 14:22:34,483 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 14:22:34,529 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 14:22:34,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 14:22:34,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-26 14:22:34,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:22:34,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:34,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:22:34,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:22:34,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:22:34,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:22:34,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:34,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:34,610 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 14:22:34,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:22:34,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 3] total 3 [2021-03-26 14:22:34,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116908111] [2021-03-26 14:22:34,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 14:22:34,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:34,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 14:22:34,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 14:22:34,611 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 60 [2021-03-26 14:22:34,612 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 136 transitions, 1499 flow. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:34,612 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:34,612 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 60 [2021-03-26 14:22:34,612 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:35,865 INFO L129 PetriNetUnfolder]: 11617/14543 cut-off events. [2021-03-26 14:22:35,865 INFO L130 PetriNetUnfolder]: For 111833/122344 co-relation queries the response was YES. [2021-03-26 14:22:35,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92533 conditions, 14543 events. 11617/14543 cut-off events. For 111833/122344 co-relation queries the response was YES. Maximal size of possible extension queue 972. Compared 64433 event pairs, 2614 based on Foata normal form. 85/14401 useless extension candidates. Maximal degree in co-relation 92144. Up to 13549 conditions per place. [2021-03-26 14:22:35,983 INFO L132 encePairwiseOnDemand]: 52/60 looper letters, 151 selfloop transitions, 21 changer transitions 0/184 dead transitions. [2021-03-26 14:22:35,983 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 184 transitions, 2293 flow [2021-03-26 14:22:35,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 14:22:35,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 14:22:35,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2021-03-26 14:22:35,986 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-03-26 14:22:35,986 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 182 transitions. [2021-03-26 14:22:35,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 182 transitions. [2021-03-26 14:22:35,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:35,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 182 transitions. [2021-03-26 14:22:35,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:35,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:35,987 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:35,987 INFO L185 Difference]: Start difference. First operand has 108 places, 136 transitions, 1499 flow. Second operand 5 states and 182 transitions. [2021-03-26 14:22:35,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 184 transitions, 2293 flow [2021-03-26 14:22:36,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 184 transitions, 2220 flow, removed 33 selfloop flow, removed 1 redundant places. [2021-03-26 14:22:36,153 INFO L241 Difference]: Finished difference. Result has 113 places, 150 transitions, 1711 flow [2021-03-26 14:22:36,153 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=1426, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1711, PETRI_PLACES=113, PETRI_TRANSITIONS=150} [2021-03-26 14:22:36,153 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 74 predicate places. [2021-03-26 14:22:36,153 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:36,153 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 150 transitions, 1711 flow [2021-03-26 14:22:36,153 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 150 transitions, 1711 flow [2021-03-26 14:22:36,154 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 150 transitions, 1711 flow [2021-03-26 14:22:36,385 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([138] thread3EXIT-->L77: Formula: (and (= 3 v_thread3Thread1of1ForFork1_thidvar2_4) (= 3 v_thread3Thread1of1ForFork1_thidvar0_4) (= 3 v_thread3Thread1of1ForFork1_thidvar1_4)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][57], [322#(<= n x3), Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 319#true, 327#true, Black: 392#(and (<= (+ x3 1) n) (<= x3 x4)), Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), Black: 330#(<= (+ x3 1) n), 396#true, 76#true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 462#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 79#(<= (+ x4 1) n), Black: 399#(<= (+ x1 1) n), 466#true, 146#true, Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 500#(and (= x6 x5) (= x4 x3) (<= x1 (* 2 (div x2 2))) (<= (* 2 (div x2 2)) x1) (= (mod x2 2) 0)), Black: 149#(<= (+ x2 1) n), Black: 469#(and (<= (* 2 x2) x1) (= x6 x5) (= x4 x3) (<= x1 (* 2 x2))), 216#true, 537#true, Black: 583#(and (<= x5 (* 2 (div x6 2))) (= x4 x3) (= (mod x6 2) 0) (= x2 x1) (<= (* 2 (div x6 2)) x5)), Black: 540#(and (= x4 x3) (= x2 x1) (<= x5 (* 2 x6)) (<= (* 2 x6) x5)), Black: 218#(<= x3 x4), 608#true, Black: 611#(and (= x4 x3) (<= (* 2 x5) x6) (= x2 x1) (<= x6 (* 2 x5))), Black: 654#(and (= x4 x3) (<= x6 (* 2 (div (* x5 (- 1)) (- 2)))) (<= (* 2 (div (* x5 (- 1)) (- 2))) x6) (= x2 x1) (= (mod x5 (- 2)) 0)), 679#true, Black: 229#(and (<= x6 x5) (<= n x5)), 235#(<= x5 x6), 43#L60true, Black: 722#(and (<= (* 2 (div x4 2)) x3) (= x6 x5) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 682#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x6 x5) (= x2 x1)), 750#true, 46#L77true, 48#L44true, Black: 233#true, 50#L52true, Black: 753#(and (<= x4 (* 2 x3)) (= x6 x5) (= x2 x1) (<= (* 2 x3) x4)), Black: 790#(and (<= (* 2 (div x3 2)) x4) (<= x4 (* 2 (div x3 2))) (= x6 x5) (= (mod x3 2) 0) (= x2 x1)), Black: 306#(and (<= (+ x6 1) n) (<= x6 x5)), Black: 244#(<= (+ x6 1) n), 821#true, Black: 864#(and (= (mod x1 (- 2)) 0) (= x6 x5) (<= (* 2 (div (* x1 (- 1)) (- 2))) x2) (= x4 x3) (<= x2 (* 2 (div (* x1 (- 1)) (- 2))))), Black: 824#(and (= x6 x5) (<= (* 2 x1) x2) (= x4 x3) (<= x2 (* 2 x1))), Black: 313#(<= (+ x5 1) n), Black: 315#(and (<= x5 x6) (<= (+ x5 1) n))]) [2021-03-26 14:22:36,385 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is not cut-off event [2021-03-26 14:22:36,385 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-26 14:22:36,385 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-26 14:22:36,385 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-26 14:22:36,392 INFO L129 PetriNetUnfolder]: 1032/1615 cut-off events. [2021-03-26 14:22:36,392 INFO L130 PetriNetUnfolder]: For 12557/14061 co-relation queries the response was YES. [2021-03-26 14:22:36,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9444 conditions, 1615 events. 1032/1615 cut-off events. For 12557/14061 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 8016 event pairs, 79 based on Foata normal form. 5/1512 useless extension candidates. Maximal degree in co-relation 9162. Up to 1064 conditions per place. [2021-03-26 14:22:36,419 INFO L142 LiptonReduction]: Number of co-enabled transitions 3428 [2021-03-26 14:22:36,426 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:36,426 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:36,426 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 273 [2021-03-26 14:22:36,427 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 150 transitions, 1711 flow [2021-03-26 14:22:36,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:36,427 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:36,427 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:36,647 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-26 14:22:36,648 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:36,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:36,648 INFO L82 PathProgramCache]: Analyzing trace with hash -926587333, now seen corresponding path program 3 times [2021-03-26 14:22:36,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:36,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826210179] [2021-03-26 14:22:36,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:36,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:36,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:36,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,673 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 14:22:36,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826210179] [2021-03-26 14:22:36,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24899042] [2021-03-26 14:22:36,673 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 14:22:36,733 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 14:22:36,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 14:22:36,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 14:22:36,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:22:36,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:36,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:36,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:36,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:36,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:36,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:36,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:36,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:36,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:36,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:36,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:36,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:36,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:36,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:36,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:36,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:36,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:36,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:36,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:36,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:36,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:36,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:36,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:36,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:36,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:36,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:36,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:36,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:36,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:36,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:36,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:36,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 14:22:36,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:36,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:36,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 14:22:36,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:36,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:36,793 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-26 14:22:36,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 14:22:36,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:36,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 14:22:36,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 14:22:36,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:36,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:36,819 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 14:22:36,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:22:36,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-26 14:22:36,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307453031] [2021-03-26 14:22:36,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 14:22:36,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:36,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 14:22:36,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 14:22:36,820 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 60 [2021-03-26 14:22:36,821 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 150 transitions, 1711 flow. Second operand has 8 states, 8 states have (on average 31.875) internal successors, (255), 8 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 14:22:36,821 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:36,821 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 60 [2021-03-26 14:22:36,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:39,592 INFO L129 PetriNetUnfolder]: 21153/27775 cut-off events. [2021-03-26 14:22:39,593 INFO L130 PetriNetUnfolder]: For 252563/264713 co-relation queries the response was YES. [2021-03-26 14:22:39,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 175445 conditions, 27775 events. 21153/27775 cut-off events. For 252563/264713 co-relation queries the response was YES. Maximal size of possible extension queue 1733. Compared 153071 event pairs, 4873 based on Foata normal form. 1087/28632 useless extension candidates. Maximal degree in co-relation 173408. Up to 13448 conditions per place. [2021-03-26 14:22:39,911 INFO L132 encePairwiseOnDemand]: 55/60 looper letters, 378 selfloop transitions, 46 changer transitions 0/436 dead transitions. [2021-03-26 14:22:39,912 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 436 transitions, 5589 flow [2021-03-26 14:22:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 14:22:39,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 14:22:39,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 408 transitions. [2021-03-26 14:22:39,913 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.68 [2021-03-26 14:22:39,913 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 408 transitions. [2021-03-26 14:22:39,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 408 transitions. [2021-03-26 14:22:39,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:39,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 408 transitions. [2021-03-26 14:22:39,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 40.8) internal successors, (408), 10 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:39,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 60.0) internal successors, (660), 11 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:39,915 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 60.0) internal successors, (660), 11 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:39,915 INFO L185 Difference]: Start difference. First operand has 113 places, 150 transitions, 1711 flow. Second operand 10 states and 408 transitions. [2021-03-26 14:22:39,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 436 transitions, 5589 flow [2021-03-26 14:22:40,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 436 transitions, 5498 flow, removed 42 selfloop flow, removed 1 redundant places. [2021-03-26 14:22:40,422 INFO L241 Difference]: Finished difference. Result has 128 places, 166 transitions, 1990 flow [2021-03-26 14:22:40,423 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=1620, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1990, PETRI_PLACES=128, PETRI_TRANSITIONS=166} [2021-03-26 14:22:40,423 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 89 predicate places. [2021-03-26 14:22:40,423 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:40,423 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 166 transitions, 1990 flow [2021-03-26 14:22:40,423 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 166 transitions, 1990 flow [2021-03-26 14:22:40,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 166 transitions, 1990 flow [2021-03-26 14:22:40,705 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([140] thread5EXIT-->L79: Formula: (and (= v_thread5Thread1of1ForFork3_thidvar0_4 5) (= v_thread5Thread1of1ForFork3_thidvar2_4 5) (= v_thread5Thread1of1ForFork3_thidvar4_4 5) (= v_thread5Thread1of1ForFork3_thidvar3_4 5) (= v_thread5Thread1of1ForFork3_thidvar1_4 5)) InVars {thread5Thread1of1ForFork3_thidvar2=v_thread5Thread1of1ForFork3_thidvar2_4, thread5Thread1of1ForFork3_thidvar1=v_thread5Thread1of1ForFork3_thidvar1_4, thread5Thread1of1ForFork3_thidvar4=v_thread5Thread1of1ForFork3_thidvar4_4, thread5Thread1of1ForFork3_thidvar3=v_thread5Thread1of1ForFork3_thidvar3_4, thread5Thread1of1ForFork3_thidvar0=v_thread5Thread1of1ForFork3_thidvar0_4} OutVars{thread5Thread1of1ForFork3_thidvar2=v_thread5Thread1of1ForFork3_thidvar2_4, thread5Thread1of1ForFork3_thidvar1=v_thread5Thread1of1ForFork3_thidvar1_4, thread5Thread1of1ForFork3_thidvar4=v_thread5Thread1of1ForFork3_thidvar4_4, thread5Thread1of1ForFork3_thidvar3=v_thread5Thread1of1ForFork3_thidvar3_4, thread5Thread1of1ForFork3_thidvar0=v_thread5Thread1of1ForFork3_thidvar0_4} AuxVars[] AssignedVars[][33], [Black: 392#(and (<= (+ x3 1) n) (<= x3 x4)), Black: 330#(<= (+ x3 1) n), 396#true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 79#(<= (+ x4 1) n), 146#true, Black: 500#(and (= x6 x5) (= x4 x3) (<= x1 (* 2 (div x2 2))) (<= (* 2 (div x2 2)) x1) (= (mod x2 2) 0)), Black: 469#(and (<= (* 2 x2) x1) (= x6 x5) (= x4 x3) (<= x1 (* 2 x2))), 537#true, 28#L79true, Black: 611#(and (= x4 x3) (<= (* 2 x5) x6) (= x2 x1) (<= x6 (* 2 x5))), 37#thread6EXITtrue, Black: 654#(and (= x4 x3) (<= x6 (* 2 (div (* x5 (- 1)) (- 2)))) (<= (* 2 (div (* x5 (- 1)) (- 2))) x6) (= x2 x1) (= (mod x5 (- 2)) 0)), 679#true, Black: 753#(and (<= x4 (* 2 x3)) (= x6 x5) (= x2 x1) (<= (* 2 x3) x4)), Black: 790#(and (<= (* 2 (div x3 2)) x4) (<= x4 (* 2 (div x3 2))) (= x6 x5) (= (mod x3 2) 0) (= x2 x1)), Black: 306#(and (<= (+ x6 1) n) (<= x6 x5)), 821#true, Black: 244#(<= (+ x6 1) n), 310#true, Black: 313#(<= (+ x5 1) n), Black: 315#(and (<= x5 x6) (<= (+ x5 1) n)), 322#(<= n x3), Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 319#true, 327#true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 76#true, Black: 462#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 901#(<= x2 x1), Black: 399#(<= (+ x1 1) n), 466#true, Black: 967#(and (<= (* 2 x2) x1) (<= (+ x2 1) n)), Black: 969#(and (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 938#(<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 971#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1)), Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 973#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 975#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= x2 x1)), Black: 149#(<= (+ x2 1) n), 219#(<= n x4), Black: 583#(and (<= x5 (* 2 (div x6 2))) (= x4 x3) (= (mod x6 2) 0) (= x2 x1) (<= (* 2 (div x6 2)) x5)), Black: 540#(and (= x4 x3) (= x2 x1) (<= x5 (* 2 x6)) (<= (* 2 x6) x5)), Black: 218#(<= x3 x4), 608#true, 227#(<= n x5), Black: 226#(<= x6 x5), Black: 229#(and (<= x6 x5) (<= n x5)), 236#(<= n x6), Black: 722#(and (<= (* 2 (div x4 2)) x3) (= x6 x5) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 682#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x6 x5) (= x2 x1)), 750#true, Black: 233#true, 241#true, Black: 864#(and (= (mod x1 (- 2)) 0) (= x6 x5) (<= (* 2 (div (* x1 (- 1)) (- 2))) x2) (= x4 x3) (<= x2 (* 2 (div (* x1 (- 1)) (- 2))))), Black: 824#(and (= x6 x5) (<= (* 2 x1) x2) (= x4 x3) (<= x2 (* 2 x1))), 892#true]) [2021-03-26 14:22:40,706 INFO L384 tUnfolder$Statistics]: this new event has 24 ancestors and is not cut-off event [2021-03-26 14:22:40,706 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is not cut-off event [2021-03-26 14:22:40,706 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is not cut-off event [2021-03-26 14:22:40,706 INFO L387 tUnfolder$Statistics]: existing Event has 25 ancestors and is not cut-off event [2021-03-26 14:22:40,708 INFO L129 PetriNetUnfolder]: 2684/4103 cut-off events. [2021-03-26 14:22:40,708 INFO L130 PetriNetUnfolder]: For 37377/39010 co-relation queries the response was YES. [2021-03-26 14:22:40,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25678 conditions, 4103 events. 2684/4103 cut-off events. For 37377/39010 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 23230 event pairs, 375 based on Foata normal form. 40/3982 useless extension candidates. Maximal degree in co-relation 25304. Up to 2866 conditions per place. [2021-03-26 14:22:40,789 INFO L142 LiptonReduction]: Number of co-enabled transitions 4170 [2021-03-26 14:22:41,019 INFO L154 LiptonReduction]: Checked pairs total: 21 [2021-03-26 14:22:41,020 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 14:22:41,020 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 597 [2021-03-26 14:22:41,020 INFO L480 AbstractCegarLoop]: Abstraction has has 128 places, 166 transitions, 1991 flow [2021-03-26 14:22:41,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.875) internal successors, (255), 8 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 14:22:41,020 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:41,020 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:41,242 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 14:22:41,242 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:41,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:41,242 INFO L82 PathProgramCache]: Analyzing trace with hash 2013200756, now seen corresponding path program 4 times [2021-03-26 14:22:41,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:41,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225902046] [2021-03-26 14:22:41,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:41,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:41,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:41,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:22:41,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225902046] [2021-03-26 14:22:41,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452355129] [2021-03-26 14:22:41,275 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 14:22:41,320 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 14:22:41,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 14:22:41,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 14:22:41,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:22:41,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:41,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:41,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:41,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:41,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:41,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:41,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:41,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:41,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:41,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:41,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:41,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:41,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:41,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:41,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:41,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:41,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:41,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:41,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 14:22:41,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 14:22:41,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,356 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-26 14:22:41,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:41,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:41,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:41,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:41,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:41,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:41,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 14:22:41,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:22:41,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:41,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 14:22:41,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:22:41,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:41,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:41,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:41,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:41,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:41,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:41,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:41,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:41,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:41,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:41,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:41,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 14:22:41,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 14:22:41,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:41,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:41,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 14:22:41,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:41,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:41,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:22:41,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:22:41,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-26 14:22:41,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997134389] [2021-03-26 14:22:41,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 14:22:41,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:41,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 14:22:41,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 14:22:41,421 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 61 [2021-03-26 14:22:41,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 166 transitions, 1991 flow. Second operand has 8 states, 8 states have (on average 32.0) internal successors, (256), 8 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:41,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:41,422 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 61 [2021-03-26 14:22:41,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:46,154 INFO L129 PetriNetUnfolder]: 30689/41554 cut-off events. [2021-03-26 14:22:46,154 INFO L130 PetriNetUnfolder]: For 503552/513857 co-relation queries the response was YES. [2021-03-26 14:22:46,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 281888 conditions, 41554 events. 30689/41554 cut-off events. For 503552/513857 co-relation queries the response was YES. Maximal size of possible extension queue 2620. Compared 265005 event pairs, 2604 based on Foata normal form. 859/42213 useless extension candidates. Maximal degree in co-relation 277776. Up to 19592 conditions per place. [2021-03-26 14:22:46,702 INFO L132 encePairwiseOnDemand]: 56/61 looper letters, 596 selfloop transitions, 75 changer transitions 0/683 dead transitions. [2021-03-26 14:22:46,702 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 683 transitions, 9108 flow [2021-03-26 14:22:46,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 14:22:46,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 14:22:46,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 565 transitions. [2021-03-26 14:22:46,705 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6615925058548009 [2021-03-26 14:22:46,706 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 565 transitions. [2021-03-26 14:22:46,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 565 transitions. [2021-03-26 14:22:46,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:46,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 565 transitions. [2021-03-26 14:22:46,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 40.357142857142854) internal successors, (565), 14 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:46,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 61.0) internal successors, (915), 15 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:46,709 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 61.0) internal successors, (915), 15 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:46,709 INFO L185 Difference]: Start difference. First operand has 128 places, 166 transitions, 1991 flow. Second operand 14 states and 565 transitions. [2021-03-26 14:22:46,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 683 transitions, 9108 flow [2021-03-26 14:22:47,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 683 transitions, 8973 flow, removed 57 selfloop flow, removed 1 redundant places. [2021-03-26 14:22:47,959 INFO L241 Difference]: Finished difference. Result has 143 places, 200 transitions, 2609 flow [2021-03-26 14:22:47,959 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=1890, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2609, PETRI_PLACES=143, PETRI_TRANSITIONS=200} [2021-03-26 14:22:47,959 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 104 predicate places. [2021-03-26 14:22:47,960 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:47,960 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 200 transitions, 2609 flow [2021-03-26 14:22:47,960 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 200 transitions, 2609 flow [2021-03-26 14:22:47,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 200 transitions, 2609 flow [2021-03-26 14:22:48,417 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([139] thread4EXIT-->L78: Formula: (and (= 4 v_thread4Thread1of1ForFork2_thidvar3_4) (= 4 v_thread4Thread1of1ForFork2_thidvar0_4) (= 4 v_thread4Thread1of1ForFork2_thidvar1_4) (= 4 v_thread4Thread1of1ForFork2_thidvar2_4)) InVars {thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][97], [9#thread5EXITtrue, Black: 392#(and (<= (+ x3 1) n) (<= x3 x4)), Black: 330#(<= (+ x3 1) n), 396#true, Black: 141#(and (<= (+ x4 1) n) (<= x4 x3)), Black: 79#(<= (+ x4 1) n), 146#true, Black: 500#(and (= x6 x5) (= x4 x3) (<= x1 (* 2 (div x2 2))) (<= (* 2 (div x2 2)) x1) (= (mod x2 2) 0)), Black: 469#(and (<= (* 2 x2) x1) (= x6 x5) (= x4 x3) (<= x1 (* 2 x2))), 537#true, 26#L78true, Black: 611#(and (= x4 x3) (<= (* 2 x5) x6) (= x2 x1) (<= x6 (* 2 x5))), Black: 654#(and (= x4 x3) (<= x6 (* 2 (div (* x5 (- 1)) (- 2)))) (<= (* 2 (div (* x5 (- 1)) (- 2))) x6) (= x2 x1) (= (mod x5 (- 2)) 0)), 679#true, 43#L60true, Black: 753#(and (<= x4 (* 2 x3)) (= x6 x5) (= x2 x1) (<= (* 2 x3) x4)), Black: 790#(and (<= (* 2 (div x3 2)) x4) (<= x4 (* 2 (div x3 2))) (= x6 x5) (= (mod x3 2) 0) (= x2 x1)), Black: 306#(and (<= (+ x6 1) n) (<= x6 x5)), Black: 244#(<= (+ x6 1) n), 821#true, Black: 1073#(and (<= x1 (* 2 x2)) (<= n x2)), 310#true, Black: 993#(<= x1 x2), Black: 987#(<= x1 (* 2 x2)), Black: 313#(<= (+ x5 1) n), Black: 315#(and (<= x5 x6) (<= (+ x5 1) n)), 322#(<= n x3), Black: 66#(and (= x6 x5) (= x4 x3) (= x2 x1)), Black: 319#true, 327#true, Black: 71#(= x1 x2), Black: 72#(and (<= n x1) (= x2 x1)), 76#true, Black: 462#(and (<= (+ x1 1) n) (<= x1 x2)), Black: 901#(<= x2 x1), Black: 399#(<= (+ x1 1) n), 466#true, Black: 967#(and (<= (* 2 x2) x1) (<= (+ x2 1) n)), Black: 969#(and (<= (+ x2 1) n) (<= (+ (* 2 x2) 1) n)), Black: 938#(<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)), Black: 971#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1)), Black: 212#(and (<= (+ x2 1) n) (<= x2 x1)), Black: 973#(and (<= (* 2 x2) x1) (<= (+ x2 1) n) (<= x2 x1) (<= (+ (* 2 x2) 1) n)), Black: 975#(and (<= (div (* x2 (- 1)) (- 2)) (div (+ n (- 1)) 2)) (<= x2 x1)), Black: 149#(<= (+ x2 1) n), 219#(<= n x4), 989#(<= n x2), Black: 583#(and (<= x5 (* 2 (div x6 2))) (= x4 x3) (= (mod x6 2) 0) (= x2 x1) (<= (* 2 (div x6 2)) x5)), Black: 218#(<= x3 x4), Black: 540#(and (= x4 x3) (= x2 x1) (<= x5 (* 2 x6)) (<= (* 2 x6) x5)), 608#true, 227#(<= n x5), Black: 226#(<= x6 x5), Black: 229#(and (<= x6 x5) (<= n x5)), 233#true, Black: 722#(and (<= (* 2 (div x4 2)) x3) (= x6 x5) (= x2 x1) (= (mod x4 2) 0) (<= x3 (* 2 (div x4 2)))), Black: 682#(and (<= (* 2 x4) x3) (<= x3 (* 2 x4)) (= x6 x5) (= x2 x1)), 750#true, 241#true, Black: 864#(and (= (mod x1 (- 2)) 0) (= x6 x5) (<= (* 2 (div (* x1 (- 1)) (- 2))) x2) (= x4 x3) (<= x2 (* 2 (div (* x1 (- 1)) (- 2))))), Black: 824#(and (= x6 x5) (<= (* 2 x1) x2) (= x4 x3) (<= x2 (* 2 x1))), 892#true]) [2021-03-26 14:22:48,417 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is not cut-off event [2021-03-26 14:22:48,417 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is not cut-off event [2021-03-26 14:22:48,417 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is not cut-off event [2021-03-26 14:22:48,417 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is not cut-off event [2021-03-26 14:22:48,427 INFO L129 PetriNetUnfolder]: 3432/5505 cut-off events. [2021-03-26 14:22:48,427 INFO L130 PetriNetUnfolder]: For 54153/56706 co-relation queries the response was YES. [2021-03-26 14:22:48,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34434 conditions, 5505 events. 3432/5505 cut-off events. For 54153/56706 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 35601 event pairs, 482 based on Foata normal form. 84/5359 useless extension candidates. Maximal degree in co-relation 33855. Up to 3610 conditions per place. [2021-03-26 14:22:48,564 INFO L142 LiptonReduction]: Number of co-enabled transitions 5916 [2021-03-26 14:22:48,583 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:48,583 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:48,583 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 623 [2021-03-26 14:22:48,583 INFO L480 AbstractCegarLoop]: Abstraction has has 143 places, 200 transitions, 2609 flow [2021-03-26 14:22:48,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 32.0) internal successors, (256), 8 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:48,584 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:48,584 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:48,799 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-03-26 14:22:48,800 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:48,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:48,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1487372425, now seen corresponding path program 5 times [2021-03-26 14:22:48,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:48,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282843747] [2021-03-26 14:22:48,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:48,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:48,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:48,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:22:48,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282843747] [2021-03-26 14:22:48,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123030892] [2021-03-26 14:22:48,829 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 14:22:48,885 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-26 14:22:48,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 14:22:48,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 14:22:48,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:22:48,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:48,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:48,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:48,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:48,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:48,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:48,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:48,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:48,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:48,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:48,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 14:22:48,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:22:48,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:48,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 14:22:48,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:22:48,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:48,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:48,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:48,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:48,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:48,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:48,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:48,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:48,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:48,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:48,932 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-03-26 14:22:48,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:48,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:48,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 14:22:48,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 14:22:48,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:48,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:48,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:48,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 14:22:48,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 14:22:48,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:48,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:22:48,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 14:22:48,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:48,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:48,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:22:48,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:22:48,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-26 14:22:48,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319436124] [2021-03-26 14:22:48,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 14:22:48,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:48,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 14:22:48,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-26 14:22:48,977 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 61 [2021-03-26 14:22:48,981 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 200 transitions, 2609 flow. Second operand has 8 states, 8 states have (on average 32.5) internal successors, (260), 8 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:48,981 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:48,981 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 61 [2021-03-26 14:22:48,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:22:53,231 INFO L129 PetriNetUnfolder]: 28433/37908 cut-off events. [2021-03-26 14:22:53,231 INFO L130 PetriNetUnfolder]: For 529245/542223 co-relation queries the response was YES. [2021-03-26 14:22:53,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 269142 conditions, 37908 events. 28433/37908 cut-off events. For 529245/542223 co-relation queries the response was YES. Maximal size of possible extension queue 2356. Compared 226573 event pairs, 5225 based on Foata normal form. 365/38023 useless extension candidates. Maximal degree in co-relation 265904. Up to 18016 conditions per place. [2021-03-26 14:22:53,717 INFO L132 encePairwiseOnDemand]: 56/61 looper letters, 462 selfloop transitions, 50 changer transitions 0/524 dead transitions. [2021-03-26 14:22:53,717 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 524 transitions, 7190 flow [2021-03-26 14:22:53,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 14:22:53,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 14:22:53,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 400 transitions. [2021-03-26 14:22:53,718 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6557377049180327 [2021-03-26 14:22:53,718 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 400 transitions. [2021-03-26 14:22:53,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 400 transitions. [2021-03-26 14:22:53,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:22:53,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 400 transitions. [2021-03-26 14:22:53,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 40.0) internal successors, (400), 10 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:53,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 61.0) internal successors, (671), 11 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:53,720 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 61.0) internal successors, (671), 11 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:53,720 INFO L185 Difference]: Start difference. First operand has 143 places, 200 transitions, 2609 flow. Second operand 10 states and 400 transitions. [2021-03-26 14:22:53,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 524 transitions, 7190 flow [2021-03-26 14:22:56,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 524 transitions, 6847 flow, removed 160 selfloop flow, removed 1 redundant places. [2021-03-26 14:22:56,061 INFO L241 Difference]: Finished difference. Result has 154 places, 199 transitions, 2458 flow [2021-03-26 14:22:56,061 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=2255, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2458, PETRI_PLACES=154, PETRI_TRANSITIONS=199} [2021-03-26 14:22:56,061 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 115 predicate places. [2021-03-26 14:22:56,061 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:22:56,061 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 199 transitions, 2458 flow [2021-03-26 14:22:56,062 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 199 transitions, 2458 flow [2021-03-26 14:22:56,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 154 places, 199 transitions, 2458 flow [2021-03-26 14:22:56,481 INFO L129 PetriNetUnfolder]: 3103/4920 cut-off events. [2021-03-26 14:22:56,481 INFO L130 PetriNetUnfolder]: For 41744/42950 co-relation queries the response was YES. [2021-03-26 14:22:56,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29530 conditions, 4920 events. 3103/4920 cut-off events. For 41744/42950 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 31035 event pairs, 339 based on Foata normal form. 30/4766 useless extension candidates. Maximal degree in co-relation 29006. Up to 3321 conditions per place. [2021-03-26 14:22:56,600 INFO L142 LiptonReduction]: Number of co-enabled transitions 5988 [2021-03-26 14:22:56,635 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:22:56,636 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:22:56,636 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 575 [2021-03-26 14:22:56,636 INFO L480 AbstractCegarLoop]: Abstraction has has 154 places, 199 transitions, 2458 flow [2021-03-26 14:22:56,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 32.5) internal successors, (260), 8 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:56,637 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:22:56,637 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:22:56,838 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 14:22:56,838 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:22:56,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:22:56,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1759375064, now seen corresponding path program 6 times [2021-03-26 14:22:56,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:22:56,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254938395] [2021-03-26 14:22:56,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:22:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:22:56,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:22:56,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:56,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:56,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:56,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:56,885 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 14:22:56,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254938395] [2021-03-26 14:22:56,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534332564] [2021-03-26 14:22:56,885 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 14:22:56,938 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-26 14:22:56,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 14:22:56,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 14:22:56,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:22:56,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:56,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:56,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:56,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:56,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:56,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:56,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:56,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:22:56,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:56,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:56,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:56,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:56,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:56,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:22:56,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 14:22:56,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 14:22:56,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:56,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:56,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:56,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:22:56,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:56,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 14:22:56,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:22:56,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:56,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 14:22:56,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:22:56,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:56,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:22:56,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:56,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:56,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:56,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:56,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:56,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:56,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:56,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:56,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:56,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:56,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:56,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:22:56,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:56,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 14:22:56,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 14:22:56,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:56,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 14:22:56,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 14:22:56,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:56,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:56,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:56,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:56,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:56,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:56,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:56,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:56,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:56,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:56,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:56,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:56,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:57,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:57,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:57,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:57,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:57,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:57,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:57,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:57,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:57,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:57,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:57,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:57,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:57,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:57,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:22:57,008 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-03-26 14:22:57,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:22:57,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:22:57,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 14:22:57,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:22:57,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:22:57,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:22:57,032 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 14:22:57,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:22:57,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-26 14:22:57,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632671937] [2021-03-26 14:22:57,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 14:22:57,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:22:57,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 14:22:57,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-26 14:22:57,033 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 61 [2021-03-26 14:22:57,033 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 199 transitions, 2458 flow. Second operand has 8 states, 8 states have (on average 32.625) internal successors, (261), 8 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:22:57,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:22:57,034 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 61 [2021-03-26 14:22:57,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:23:01,384 INFO L129 PetriNetUnfolder]: 30833/39546 cut-off events. [2021-03-26 14:23:01,385 INFO L130 PetriNetUnfolder]: For 487532/497180 co-relation queries the response was YES. [2021-03-26 14:23:01,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 275776 conditions, 39546 events. 30833/39546 cut-off events. For 487532/497180 co-relation queries the response was YES. Maximal size of possible extension queue 2459. Compared 212617 event pairs, 7804 based on Foata normal form. 457/39693 useless extension candidates. Maximal degree in co-relation 273840. Up to 19588 conditions per place. [2021-03-26 14:23:01,988 INFO L132 encePairwiseOnDemand]: 56/61 looper letters, 331 selfloop transitions, 64 changer transitions 0/407 dead transitions. [2021-03-26 14:23:01,988 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 407 transitions, 5491 flow [2021-03-26 14:23:01,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 14:23:01,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 14:23:01,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 329 transitions. [2021-03-26 14:23:01,989 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6741803278688525 [2021-03-26 14:23:01,989 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 329 transitions. [2021-03-26 14:23:01,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 329 transitions. [2021-03-26 14:23:01,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:23:01,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 329 transitions. [2021-03-26 14:23:01,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 41.125) internal successors, (329), 8 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:23:01,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 61.0) internal successors, (549), 9 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:23:01,991 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 61.0) internal successors, (549), 9 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:23:01,991 INFO L185 Difference]: Start difference. First operand has 154 places, 199 transitions, 2458 flow. Second operand 8 states and 329 transitions. [2021-03-26 14:23:01,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 407 transitions, 5491 flow [2021-03-26 14:23:03,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 407 transitions, 5406 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-03-26 14:23:03,509 INFO L241 Difference]: Finished difference. Result has 160 places, 204 transitions, 2657 flow [2021-03-26 14:23:03,509 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=2377, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2657, PETRI_PLACES=160, PETRI_TRANSITIONS=204} [2021-03-26 14:23:03,509 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 121 predicate places. [2021-03-26 14:23:03,509 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:23:03,509 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 160 places, 204 transitions, 2657 flow [2021-03-26 14:23:03,510 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 160 places, 204 transitions, 2657 flow [2021-03-26 14:23:03,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 160 places, 204 transitions, 2657 flow [2021-03-26 14:23:04,012 INFO L129 PetriNetUnfolder]: 3518/5555 cut-off events. [2021-03-26 14:23:04,013 INFO L130 PetriNetUnfolder]: For 55589/57577 co-relation queries the response was YES. [2021-03-26 14:23:04,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35234 conditions, 5555 events. 3518/5555 cut-off events. For 55589/57577 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 35100 event pairs, 506 based on Foata normal form. 69/5439 useless extension candidates. Maximal degree in co-relation 34671. Up to 3755 conditions per place. [2021-03-26 14:23:04,166 INFO L142 LiptonReduction]: Number of co-enabled transitions 6220 [2021-03-26 14:23:04,179 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:23:04,179 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:23:04,180 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 671 [2021-03-26 14:23:04,180 INFO L480 AbstractCegarLoop]: Abstraction has has 160 places, 204 transitions, 2657 flow [2021-03-26 14:23:04,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 32.625) internal successors, (261), 8 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:23:04,180 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:23:04,180 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:23:04,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-03-26 14:23:04,381 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:23:04,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:23:04,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1073246443, now seen corresponding path program 3 times [2021-03-26 14:23:04,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:23:04,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663835257] [2021-03-26 14:23:04,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:23:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:23:04,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:23:04,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:23:04,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:23:04,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,407 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 14:23:04,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663835257] [2021-03-26 14:23:04,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051057959] [2021-03-26 14:23:04,408 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 14:23:04,441 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 14:23:04,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 14:23:04,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 14:23:04,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:23:04,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:04,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:23:04,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:23:04,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:23:04,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:23:04,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:23:04,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:23:04,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:23:04,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:23:04,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:23:04,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:23:04,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:23:04,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:23:04,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:23:04,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:23:04,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:23:04,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:23:04,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:23:04,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:23:04,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:23:04,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:23:04,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:23:04,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:23:04,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 14:23:04,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:23:04,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:23:04,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 14:23:04,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:23:04,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:23:04,497 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-26 14:23:04,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 14:23:04,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:23:04,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 14:23:04,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 14:23:04,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:04,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:04,517 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 14:23:04,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:23:04,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-26 14:23:04,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211966245] [2021-03-26 14:23:04,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 14:23:04,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:23:04,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 14:23:04,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-26 14:23:04,518 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 61 [2021-03-26 14:23:04,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 204 transitions, 2657 flow. Second operand has 7 states, 7 states have (on average 31.857142857142858) internal successors, (223), 7 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:23:04,519 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:23:04,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 61 [2021-03-26 14:23:04,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:23:14,580 INFO L129 PetriNetUnfolder]: 66417/83935 cut-off events. [2021-03-26 14:23:14,580 INFO L130 PetriNetUnfolder]: For 1142361/1156873 co-relation queries the response was YES. [2021-03-26 14:23:15,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 609433 conditions, 83935 events. 66417/83935 cut-off events. For 1142361/1156873 co-relation queries the response was YES. Maximal size of possible extension queue 4606. Compared 470338 event pairs, 8657 based on Foata normal form. 3261/86833 useless extension candidates. Maximal degree in co-relation 606608. Up to 45506 conditions per place. [2021-03-26 14:23:16,351 INFO L132 encePairwiseOnDemand]: 56/61 looper letters, 726 selfloop transitions, 46 changer transitions 0/784 dead transitions. [2021-03-26 14:23:16,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 784 transitions, 12273 flow [2021-03-26 14:23:16,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 14:23:16,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 14:23:16,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 373 transitions. [2021-03-26 14:23:16,353 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6794171220400729 [2021-03-26 14:23:16,353 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 373 transitions. [2021-03-26 14:23:16,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 373 transitions. [2021-03-26 14:23:16,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:23:16,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 373 transitions. [2021-03-26 14:23:16,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 41.44444444444444) internal successors, (373), 9 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:23:16,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 61.0) internal successors, (610), 10 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:23:16,354 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 61.0) internal successors, (610), 10 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:23:16,355 INFO L185 Difference]: Start difference. First operand has 160 places, 204 transitions, 2657 flow. Second operand 9 states and 373 transitions. [2021-03-26 14:23:16,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 784 transitions, 12273 flow [2021-03-26 14:23:19,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 784 transitions, 11871 flow, removed 138 selfloop flow, removed 3 redundant places. [2021-03-26 14:23:19,691 INFO L241 Difference]: Finished difference. Result has 172 places, 221 transitions, 2935 flow [2021-03-26 14:23:19,692 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=2573, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2935, PETRI_PLACES=172, PETRI_TRANSITIONS=221} [2021-03-26 14:23:19,692 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 133 predicate places. [2021-03-26 14:23:19,692 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:23:19,692 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 172 places, 221 transitions, 2935 flow [2021-03-26 14:23:19,692 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 172 places, 221 transitions, 2935 flow [2021-03-26 14:23:19,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 172 places, 221 transitions, 2935 flow [2021-03-26 14:23:21,170 INFO L129 PetriNetUnfolder]: 9257/14359 cut-off events. [2021-03-26 14:23:21,170 INFO L130 PetriNetUnfolder]: For 162643/166604 co-relation queries the response was YES. [2021-03-26 14:23:21,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96595 conditions, 14359 events. 9257/14359 cut-off events. For 162643/166604 co-relation queries the response was YES. Maximal size of possible extension queue 974. Compared 101881 event pairs, 1783 based on Foata normal form. 342/14129 useless extension candidates. Maximal degree in co-relation 95390. Up to 10093 conditions per place. [2021-03-26 14:23:21,472 INFO L142 LiptonReduction]: Number of co-enabled transitions 7926 [2021-03-26 14:23:27,630 INFO L154 LiptonReduction]: Checked pairs total: 40 [2021-03-26 14:23:27,631 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 14:23:27,631 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7939 [2021-03-26 14:23:27,631 INFO L480 AbstractCegarLoop]: Abstraction has has 172 places, 221 transitions, 2936 flow [2021-03-26 14:23:27,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.857142857142858) internal successors, (223), 7 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:23:27,631 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:23:27,632 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:23:27,832 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 14:23:27,832 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:23:27,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:23:27,832 INFO L82 PathProgramCache]: Analyzing trace with hash -395850847, now seen corresponding path program 4 times [2021-03-26 14:23:27,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:23:27,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085029597] [2021-03-26 14:23:27,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:23:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:23:27,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:23:27,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:23:27,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:23:27,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085029597] [2021-03-26 14:23:27,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509842378] [2021-03-26 14:23:27,859 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 14:23:27,899 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 14:23:27,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 14:23:27,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 14:23:27,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:23:27,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:23:27,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:23:27,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:23:27,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:23:27,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:23:27,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:23:27,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:23:27,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 14:23:27,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 14:23:27,937 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-03-26 14:23:27,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:23:27,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:23:27,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:23:27,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:23:27,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:23:27,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:23:27,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:23:27,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 14:23:27,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:23:27,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:23:27,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 14:23:27,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:23:27,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:23:27,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:23:27,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:23:27,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:23:27,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:23:27,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:23:27,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:23:27,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 14:23:27,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 14:23:27,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:23:27,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 14:23:27,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 14:23:27,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:23:27,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:23:27,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:23:27,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:23:27,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-26 14:23:27,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677034070] [2021-03-26 14:23:27,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 14:23:27,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:23:27,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 14:23:27,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-26 14:23:27,977 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-03-26 14:23:27,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 221 transitions, 2936 flow. Second operand has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:23:27,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:23:27,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-03-26 14:23:27,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:23:44,274 INFO L129 PetriNetUnfolder]: 95193/120922 cut-off events. [2021-03-26 14:23:44,274 INFO L130 PetriNetUnfolder]: For 1926319/1938030 co-relation queries the response was YES. [2021-03-26 14:23:46,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 945131 conditions, 120922 events. 95193/120922 cut-off events. For 1926319/1938030 co-relation queries the response was YES. Maximal size of possible extension queue 6779. Compared 733792 event pairs, 1167 based on Foata normal form. 2227/122769 useless extension candidates. Maximal degree in co-relation 940856. Up to 64632 conditions per place. [2021-03-26 14:23:47,188 INFO L132 encePairwiseOnDemand]: 57/62 looper letters, 1179 selfloop transitions, 72 changer transitions 0/1263 dead transitions. [2021-03-26 14:23:47,188 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 1263 transitions, 19563 flow [2021-03-26 14:23:47,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 14:23:47,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 14:23:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 535 transitions. [2021-03-26 14:23:47,190 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6637717121588089 [2021-03-26 14:23:47,190 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 535 transitions. [2021-03-26 14:23:47,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 535 transitions. [2021-03-26 14:23:47,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:23:47,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 535 transitions. [2021-03-26 14:23:47,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 41.15384615384615) internal successors, (535), 13 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:23:47,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:23:47,192 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:23:47,192 INFO L185 Difference]: Start difference. First operand has 172 places, 221 transitions, 2936 flow. Second operand 13 states and 535 transitions. [2021-03-26 14:23:47,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 1263 transitions, 19563 flow [2021-03-26 14:24:05,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 1263 transitions, 19503 flow, removed 30 selfloop flow, removed 0 redundant places. [2021-03-26 14:24:05,584 INFO L241 Difference]: Finished difference. Result has 187 places, 250 transitions, 3510 flow [2021-03-26 14:24:05,584 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=2898, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3510, PETRI_PLACES=187, PETRI_TRANSITIONS=250} [2021-03-26 14:24:05,584 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 148 predicate places. [2021-03-26 14:24:05,584 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:24:05,584 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 250 transitions, 3510 flow [2021-03-26 14:24:05,585 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 250 transitions, 3510 flow [2021-03-26 14:24:05,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 187 places, 250 transitions, 3510 flow [2021-03-26 14:24:07,491 INFO L129 PetriNetUnfolder]: 12036/19064 cut-off events. [2021-03-26 14:24:07,491 INFO L130 PetriNetUnfolder]: For 248770/255564 co-relation queries the response was YES. [2021-03-26 14:24:07,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132915 conditions, 19064 events. 12036/19064 cut-off events. For 248770/255564 co-relation queries the response was YES. Maximal size of possible extension queue 1366. Compared 145286 event pairs, 1975 based on Foata normal form. 611/19050 useless extension candidates. Maximal degree in co-relation 131130. Up to 13172 conditions per place. [2021-03-26 14:24:08,351 INFO L142 LiptonReduction]: Number of co-enabled transitions 11040 [2021-03-26 14:24:08,441 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:24:08,441 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:24:08,441 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2857 [2021-03-26 14:24:08,441 INFO L480 AbstractCegarLoop]: Abstraction has has 187 places, 250 transitions, 3510 flow [2021-03-26 14:24:08,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:24:08,441 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:24:08,441 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:24:08,642 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-03-26 14:24:08,642 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:24:08,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:24:08,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1324462603, now seen corresponding path program 5 times [2021-03-26 14:24:08,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:24:08,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282687805] [2021-03-26 14:24:08,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:24:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:24:08,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:24:08,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282687805] [2021-03-26 14:24:08,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441092010] [2021-03-26 14:24:08,664 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 14:24:08,701 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-26 14:24:08,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 14:24:08,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 14:24:08,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:24:08,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:24:08,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:24:08,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:24:08,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:24:08,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:24:08,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:24:08,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:24:08,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 14:24:08,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-26 14:24:08,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:24:08,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:24:08,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 14:24:08,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:24:08,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:24:08,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 14:24:08,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 14:24:08,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:24:08,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 14:24:08,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:24:08,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 14:24:08,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 14:24:08,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:24:08,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 14:24:08,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 14:24:08,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:24:08,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:24:08,756 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-03-26 14:24:08,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 14:24:08,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:24:08,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 14:24:08,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 14:24:08,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:24:08,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:24:08,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 14:24:08,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:24:08,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-03-26 14:24:08,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949959500] [2021-03-26 14:24:08,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 14:24:08,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:24:08,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 14:24:08,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 14:24:08,775 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-03-26 14:24:08,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 250 transitions, 3510 flow. Second operand has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:24:08,775 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:24:08,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-03-26 14:24:08,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:24:28,671 INFO L129 PetriNetUnfolder]: 103721/131805 cut-off events. [2021-03-26 14:24:28,671 INFO L130 PetriNetUnfolder]: For 2112460/2126611 co-relation queries the response was YES. [2021-03-26 14:24:31,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1065899 conditions, 131805 events. 103721/131805 cut-off events. For 2112460/2126611 co-relation queries the response was YES. Maximal size of possible extension queue 7477. Compared 800338 event pairs, 5669 based on Foata normal form. 1116/132539 useless extension candidates. Maximal degree in co-relation 1061248. Up to 70936 conditions per place. [2021-03-26 14:24:32,022 INFO L132 encePairwiseOnDemand]: 57/62 looper letters, 663 selfloop transitions, 65 changer transitions 0/740 dead transitions. [2021-03-26 14:24:32,022 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 740 transitions, 11599 flow [2021-03-26 14:24:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 14:24:32,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 14:24:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 334 transitions. [2021-03-26 14:24:32,023 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6733870967741935 [2021-03-26 14:24:32,023 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 334 transitions. [2021-03-26 14:24:32,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 334 transitions. [2021-03-26 14:24:32,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:24:32,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 334 transitions. [2021-03-26 14:24:32,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 41.75) internal successors, (334), 8 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:24:32,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 62.0) internal successors, (558), 9 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:24:32,025 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 62.0) internal successors, (558), 9 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:24:32,025 INFO L185 Difference]: Start difference. First operand has 187 places, 250 transitions, 3510 flow. Second operand 8 states and 334 transitions. [2021-03-26 14:24:32,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 740 transitions, 11599 flow [2021-03-26 14:25:57,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 740 transitions, 11341 flow, removed 88 selfloop flow, removed 3 redundant places. [2021-03-26 14:25:57,555 INFO L241 Difference]: Finished difference. Result has 194 places, 256 transitions, 3556 flow [2021-03-26 14:25:57,555 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=3280, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3556, PETRI_PLACES=194, PETRI_TRANSITIONS=256} [2021-03-26 14:25:57,555 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 155 predicate places. [2021-03-26 14:25:57,555 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:25:57,555 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 194 places, 256 transitions, 3556 flow [2021-03-26 14:25:57,555 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 194 places, 256 transitions, 3556 flow [2021-03-26 14:25:57,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 194 places, 256 transitions, 3556 flow [2021-03-26 14:25:59,638 INFO L129 PetriNetUnfolder]: 13432/22003 cut-off events. [2021-03-26 14:25:59,638 INFO L130 PetriNetUnfolder]: For 257054/262933 co-relation queries the response was YES. [2021-03-26 14:25:59,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145995 conditions, 22003 events. 13432/22003 cut-off events. For 257054/262933 co-relation queries the response was YES. Maximal size of possible extension queue 1620. Compared 179908 event pairs, 2300 based on Foata normal form. 675/21920 useless extension candidates. Maximal degree in co-relation 144326. Up to 14763 conditions per place. [2021-03-26 14:26:00,207 INFO L142 LiptonReduction]: Number of co-enabled transitions 11542 [2021-03-26 14:26:00,260 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 14:26:00,260 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 14:26:00,260 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2705 [2021-03-26 14:26:00,260 INFO L480 AbstractCegarLoop]: Abstraction has has 194 places, 256 transitions, 3556 flow [2021-03-26 14:26:00,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:26:00,261 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 14:26:00,261 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 14:26:00,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-26 14:26:00,471 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 14:26:00,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 14:26:00,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1811529029, now seen corresponding path program 3 times [2021-03-26 14:26:00,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 14:26:00,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181365093] [2021-03-26 14:26:00,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 14:26:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 14:26:00,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:26:00,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,511 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 14:26:00,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181365093] [2021-03-26 14:26:00,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022542612] [2021-03-26 14:26:00,511 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 14:26:00,540 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-26 14:26:00,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 14:26:00,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 14:26:00,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 14:26:00,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 14:26:00,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:26:00,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:26:00,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:26:00,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:26:00,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:26:00,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:26:00,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:26:00,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:26:00,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:26:00,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:26:00,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 14:26:00,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:26:00,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 14:26:00,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:26:00,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:26:00,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:26:00,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:26:00,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:26:00,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:26:00,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:26:00,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 14:26:00,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:26:00,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:26:00,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 14:26:00,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:26:00,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 14:26:00,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 14:26:00,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:26:00,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 14:26:00,606 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-03-26 14:26:00,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 14:26:00,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 14:26:00,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 14:26:00,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 14:26:00,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 14:26:00,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 14:26:00,631 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 14:26:00,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 14:26:00,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-26 14:26:00,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70840860] [2021-03-26 14:26:00,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 14:26:00,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 14:26:00,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 14:26:00,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-26 14:26:00,632 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-03-26 14:26:00,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 256 transitions, 3556 flow. Second operand has 7 states, 7 states have (on average 31.857142857142858) internal successors, (223), 7 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:26:00,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 14:26:00,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-03-26 14:26:00,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 14:26:44,678 INFO L129 PetriNetUnfolder]: 236073/296785 cut-off events. [2021-03-26 14:26:44,679 INFO L130 PetriNetUnfolder]: For 4835045/4846992 co-relation queries the response was YES. [2021-03-26 14:26:50,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2356697 conditions, 296785 events. 236073/296785 cut-off events. For 4835045/4846992 co-relation queries the response was YES. Maximal size of possible extension queue 12000. Compared 1773807 event pairs, 24801 based on Foata normal form. 12165/308044 useless extension candidates. Maximal degree in co-relation 2349736. Up to 169190 conditions per place. [2021-03-26 14:26:54,001 INFO L132 encePairwiseOnDemand]: 57/62 looper letters, 1093 selfloop transitions, 46 changer transitions 0/1151 dead transitions. [2021-03-26 14:26:54,002 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 1151 transitions, 18324 flow [2021-03-26 14:26:54,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 14:26:54,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 14:26:54,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 381 transitions. [2021-03-26 14:26:54,026 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6827956989247311 [2021-03-26 14:26:54,026 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 381 transitions. [2021-03-26 14:26:54,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 381 transitions. [2021-03-26 14:26:54,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 14:26:54,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 381 transitions. [2021-03-26 14:26:54,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.333333333333336) internal successors, (381), 9 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:26:54,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:26:54,028 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 14:26:54,028 INFO L185 Difference]: Start difference. First operand has 194 places, 256 transitions, 3556 flow. Second operand 9 states and 381 transitions. [2021-03-26 14:26:54,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 1151 transitions, 18324 flow [2021-03-26 14:28:35,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 1151 transitions, 17950 flow, removed 142 selfloop flow, removed 2 redundant places. [2021-03-26 14:28:35,191 INFO L241 Difference]: Finished difference. Result has 207 places, 273 transitions, 3877 flow [2021-03-26 14:28:35,191 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=3480, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3877, PETRI_PLACES=207, PETRI_TRANSITIONS=273} [2021-03-26 14:28:35,191 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 168 predicate places. [2021-03-26 14:28:35,192 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 14:28:35,192 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 273 transitions, 3877 flow [2021-03-26 14:28:35,192 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 273 transitions, 3877 flow [2021-03-26 14:28:35,194 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 273 transitions, 3877 flow [2021-03-26 14:28:43,269 INFO L129 PetriNetUnfolder]: 34405/56507 cut-off events. [2021-03-26 14:28:43,269 INFO L130 PetriNetUnfolder]: For 793973/808524 co-relation queries the response was YES. [2021-03-26 14:28:44,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 392388 conditions, 56507 events. 34405/56507 cut-off events. For 793973/808524 co-relation queries the response was YES. Maximal size of possible extension queue 3838. Compared 517283 event pairs, 7544 based on Foata normal form. 3043/57663 useless extension candidates. Maximal degree in co-relation 384555. Up to 37740 conditions per place. [2021-03-26 14:28:45,424 INFO L142 LiptonReduction]: Number of co-enabled transitions 14100 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown