/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-flipped-dist.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 04:23:17,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 04:23:17,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 04:23:17,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 04:23:17,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 04:23:17,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 04:23:17,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 04:23:17,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 04:23:17,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 04:23:17,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 04:23:17,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 04:23:17,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 04:23:17,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 04:23:17,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 04:23:17,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 04:23:17,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 04:23:17,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 04:23:17,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 04:23:17,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 04:23:17,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 04:23:17,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 04:23:17,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 04:23:17,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 04:23:17,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 04:23:17,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 04:23:17,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-29 04:23:17,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-29 04:23:17,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-29 04:23:17,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-29 04:23:17,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-29 04:23:17,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-29 04:23:17,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-29 04:23:17,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-29 04:23:17,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 04:23:17,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 04:23:17,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 04:23:17,999 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 04:23:18,052 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 04:23:18,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 04:23:18,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 04:23:18,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 04:23:18,059 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 04:23:18,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 04:23:18,060 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 04:23:18,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 04:23:18,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 04:23:18,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 04:23:18,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 04:23:18,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 04:23:18,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 04:23:18,063 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 04:23:18,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 04:23:18,063 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 04:23:18,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 04:23:18,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 04:23:18,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 04:23:18,065 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 04:23:18,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 04:23:18,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 04:23:18,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 04:23:18,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 04:23:18,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 04:23:18,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 04:23:18,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 04:23:18,067 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 04:23:18,067 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 04:23:18,067 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 04:23:18,068 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 04:23:18,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 04:23:18,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 04:23:18,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 04:23:18,484 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 04:23:18,488 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 04:23:18,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-flipped-dist.wvr.bpl [2021-04-29 04:23:18,490 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-flipped-dist.wvr.bpl' [2021-04-29 04:23:18,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 04:23:18,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 04:23:18,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 04:23:18,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 04:23:18,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 04:23:18,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:23:18" (1/1) ... [2021-04-29 04:23:18,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:23:18" (1/1) ... [2021-04-29 04:23:18,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 04:23:18,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 04:23:18,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 04:23:18,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 04:23:18,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:23:18" (1/1) ... [2021-04-29 04:23:18,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:23:18" (1/1) ... [2021-04-29 04:23:18,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:23:18" (1/1) ... [2021-04-29 04:23:18,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:23:18" (1/1) ... [2021-04-29 04:23:18,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:23:18" (1/1) ... [2021-04-29 04:23:18,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:23:18" (1/1) ... [2021-04-29 04:23:18,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:23:18" (1/1) ... [2021-04-29 04:23:18,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 04:23:18,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 04:23:18,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 04:23:18,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 04:23:18,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:23:18" (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 [2021-04-29 04:23:18,776 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-29 04:23:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-29 04:23:18,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-29 04:23:18,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-29 04:23:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-29 04:23:18,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-29 04:23:18,778 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 04:23:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 04:23:18,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 04:23:18,778 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-04-29 04:23:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-04-29 04:23:18,779 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-04-29 04:23:18,780 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 04:23:18,975 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 04:23:18,976 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-29 04:23:18,978 INFO L202 PluginConnector]: Adding new model mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 04:23:18 BoogieIcfgContainer [2021-04-29 04:23:18,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 04:23:18,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 04:23:18,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 04:23:18,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 04:23:18,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:23:18" (1/2) ... [2021-04-29 04:23:18,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ccedea6 and model type mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 04:23:18, skipping insertion in model container [2021-04-29 04:23:18,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 04:23:18" (2/2) ... [2021-04-29 04:23:18,987 INFO L111 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.bpl [2021-04-29 04:23:18,993 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 04:23:18,997 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 04:23:18,998 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 04:23:19,036 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-04-29 04:23:19,062 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-04-29 04:23:19,119 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 04:23:19,119 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 04:23:19,120 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 04:23:19,120 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 04:23:19,122 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 04:23:19,122 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 04:23:19,123 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 04:23:19,123 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 04:23:19,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 26 transitions, 76 flow [2021-04-29 04:23:19,177 INFO L129 PetriNetUnfolder]: 3/23 cut-off events. [2021-04-29 04:23:19,178 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 04:23:19,182 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 23 events. 3/23 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 28 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2021-04-29 04:23:19,182 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 26 transitions, 76 flow [2021-04-29 04:23:19,188 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 28 places, 21 transitions, 60 flow [2021-04-29 04:23:19,190 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:19,207 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 21 transitions, 60 flow [2021-04-29 04:23:19,212 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 21 transitions, 60 flow [2021-04-29 04:23:19,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 21 transitions, 60 flow [2021-04-29 04:23:19,225 INFO L129 PetriNetUnfolder]: 3/21 cut-off events. [2021-04-29 04:23:19,225 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 04:23:19,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 21 events. 3/21 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2021-04-29 04:23:19,230 INFO L146 LiptonReduction]: Number of co-enabled transitions 144 [2021-04-29 04:23:19,463 INFO L158 LiptonReduction]: Checked pairs total: 60 [2021-04-29 04:23:19,463 INFO L160 LiptonReduction]: Total number of compositions: 7 [2021-04-29 04:23:19,469 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 281 [2021-04-29 04:23:19,499 INFO L129 PetriNetUnfolder]: 3/19 cut-off events. [2021-04-29 04:23:19,499 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 04:23:19,499 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:19,502 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:19,503 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:19,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:19,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1022135937, now seen corresponding path program 1 times [2021-04-29 04:23:19,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:19,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364796760] [2021-04-29 04:23:19,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:19,724 INFO L142 QuantifierPusher]: treesize reduction 6, result has 76.0 percent of original size [2021-04-29 04:23:19,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:23:19,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:19,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364796760] [2021-04-29 04:23:19,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:23:19,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 04:23:19,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108475748] [2021-04-29 04:23:19,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:23:19,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:19,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:23:19,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:23:19,789 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 33 [2021-04-29 04:23:19,791 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 21 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:19,792 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:19,792 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 33 [2021-04-29 04:23:19,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:19,835 INFO L129 PetriNetUnfolder]: 11/44 cut-off events. [2021-04-29 04:23:19,836 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-04-29 04:23:19,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 44 events. 11/44 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 121 event pairs, 0 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 52. Up to 15 conditions per place. [2021-04-29 04:23:19,839 INFO L132 encePairwiseOnDemand]: 27/33 looper letters, 4 selfloop transitions, 4 changer transitions 1/24 dead transitions. [2021-04-29 04:23:19,839 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 24 transitions, 84 flow [2021-04-29 04:23:19,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:23:19,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:23:19,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2021-04-29 04:23:19,854 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8080808080808081 [2021-04-29 04:23:19,855 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 80 transitions. [2021-04-29 04:23:19,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 80 transitions. [2021-04-29 04:23:19,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:19,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 80 transitions. [2021-04-29 04:23:19,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:19,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:19,868 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:19,871 INFO L185 Difference]: Start difference. First operand has 28 places, 21 transitions, 60 flow. Second operand 3 states and 80 transitions. [2021-04-29 04:23:19,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 24 transitions, 84 flow [2021-04-29 04:23:19,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 24 transitions, 72 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-04-29 04:23:19,878 INFO L241 Difference]: Finished difference. Result has 25 places, 23 transitions, 72 flow [2021-04-29 04:23:19,880 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=25, PETRI_TRANSITIONS=23} [2021-04-29 04:23:19,881 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, -3 predicate places. [2021-04-29 04:23:19,881 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:19,882 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 23 transitions, 72 flow [2021-04-29 04:23:19,882 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 25 places, 23 transitions, 72 flow [2021-04-29 04:23:19,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 23 transitions, 72 flow [2021-04-29 04:23:19,893 INFO L129 PetriNetUnfolder]: 11/43 cut-off events. [2021-04-29 04:23:19,893 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:23:19,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 43 events. 11/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 113 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 45. Up to 14 conditions per place. [2021-04-29 04:23:19,895 INFO L146 LiptonReduction]: Number of co-enabled transitions 186 [2021-04-29 04:23:19,899 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:19,900 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:19,900 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-04-29 04:23:19,902 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 23 transitions, 72 flow [2021-04-29 04:23:19,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:19,902 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:19,903 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:19,903 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 04:23:19,903 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:19,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:19,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1426222978, now seen corresponding path program 1 times [2021-04-29 04:23:19,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:19,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406368335] [2021-04-29 04:23:19,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:19,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:19,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:19,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:19,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:19,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:19,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:19,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:19,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406368335] [2021-04-29 04:23:19,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015381541] [2021-04-29 04:23:19,947 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 [2021-04-29 04:23:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:19,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2021-04-29 04:23:19,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:20,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:20,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:20,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:20,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:20,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:20,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:20,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:20,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:20,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:20,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:20,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:20,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:20,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:20,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:20,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:20,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:20,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:20,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:20,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:20,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:20,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:20,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:20,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:20,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:20,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:20,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:20,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:20,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:20,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:20,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:20,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:20,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:20,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:20,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:20,090 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 04:23:20,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:20,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:20,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:20,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:20,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:20,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:20,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:20,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:20,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:20,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:20,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:20,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:20,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:20,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:20,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:20,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-04-29 04:23:20,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213161398] [2021-04-29 04:23:20,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 04:23:20,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:20,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 04:23:20,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 04:23:20,109 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 33 [2021-04-29 04:23:20,110 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 23 transitions, 72 flow. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:20,110 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:20,110 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 33 [2021-04-29 04:23:20,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:20,329 INFO L129 PetriNetUnfolder]: 602/932 cut-off events. [2021-04-29 04:23:20,329 INFO L130 PetriNetUnfolder]: For 164/180 co-relation queries the response was YES. [2021-04-29 04:23:20,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2120 conditions, 932 events. 602/932 cut-off events. For 164/180 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 5019 event pairs, 124 based on Foata normal form. 6/509 useless extension candidates. Maximal degree in co-relation 2064. Up to 270 conditions per place. [2021-04-29 04:23:20,336 INFO L132 encePairwiseOnDemand]: 24/33 looper letters, 22 selfloop transitions, 11 changer transitions 24/64 dead transitions. [2021-04-29 04:23:20,336 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 64 transitions, 299 flow [2021-04-29 04:23:20,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 04:23:20,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 04:23:20,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 159 transitions. [2021-04-29 04:23:20,339 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.803030303030303 [2021-04-29 04:23:20,339 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 159 transitions. [2021-04-29 04:23:20,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 159 transitions. [2021-04-29 04:23:20,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:20,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 159 transitions. [2021-04-29 04:23:20,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 26.5) internal successors, (159), 6 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) [2021-04-29 04:23:20,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:20,344 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:20,344 INFO L185 Difference]: Start difference. First operand has 24 places, 23 transitions, 72 flow. Second operand 6 states and 159 transitions. [2021-04-29 04:23:20,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 64 transitions, 299 flow [2021-04-29 04:23:20,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 64 transitions, 292 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:23:20,348 INFO L241 Difference]: Finished difference. Result has 32 places, 28 transitions, 143 flow [2021-04-29 04:23:20,349 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=143, PETRI_PLACES=32, PETRI_TRANSITIONS=28} [2021-04-29 04:23:20,349 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 4 predicate places. [2021-04-29 04:23:20,350 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:20,350 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 28 transitions, 143 flow [2021-04-29 04:23:20,350 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 28 transitions, 143 flow [2021-04-29 04:23:20,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 28 transitions, 143 flow [2021-04-29 04:23:20,362 INFO L129 PetriNetUnfolder]: 28/82 cut-off events. [2021-04-29 04:23:20,362 INFO L130 PetriNetUnfolder]: For 49/63 co-relation queries the response was YES. [2021-04-29 04:23:20,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 82 events. 28/82 cut-off events. For 49/63 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 312 event pairs, 3 based on Foata normal form. 2/70 useless extension candidates. Maximal degree in co-relation 166. Up to 32 conditions per place. [2021-04-29 04:23:20,365 INFO L146 LiptonReduction]: Number of co-enabled transitions 188 [2021-04-29 04:23:20,369 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:20,369 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:20,369 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-04-29 04:23:20,371 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 28 transitions, 143 flow [2021-04-29 04:23:20,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:20,371 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:20,371 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:20,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-04-29 04:23:20,587 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:20,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:20,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1767328562, now seen corresponding path program 2 times [2021-04-29 04:23:20,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:20,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842878063] [2021-04-29 04:23:20,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:20,641 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-04-29 04:23:20,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:20,652 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-04-29 04:23:20,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:20,666 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 04:23:20,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:20,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:20,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:20,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842878063] [2021-04-29 04:23:20,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:23:20,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 04:23:20,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346499774] [2021-04-29 04:23:20,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 04:23:20,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:20,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 04:23:20,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 04:23:20,684 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 33 [2021-04-29 04:23:20,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 28 transitions, 143 flow. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:20,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:20,685 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 33 [2021-04-29 04:23:20,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:20,848 INFO L129 PetriNetUnfolder]: 202/336 cut-off events. [2021-04-29 04:23:20,848 INFO L130 PetriNetUnfolder]: For 638/666 co-relation queries the response was YES. [2021-04-29 04:23:20,851 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1085 conditions, 336 events. 202/336 cut-off events. For 638/666 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 1327 event pairs, 67 based on Foata normal form. 36/302 useless extension candidates. Maximal degree in co-relation 1031. Up to 276 conditions per place. [2021-04-29 04:23:20,854 INFO L132 encePairwiseOnDemand]: 23/33 looper letters, 18 selfloop transitions, 5 changer transitions 9/38 dead transitions. [2021-04-29 04:23:20,854 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 38 transitions, 247 flow [2021-04-29 04:23:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 04:23:20,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 04:23:20,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions. [2021-04-29 04:23:20,860 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6439393939393939 [2021-04-29 04:23:20,860 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 85 transitions. [2021-04-29 04:23:20,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 85 transitions. [2021-04-29 04:23:20,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:20,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 85 transitions. [2021-04-29 04:23:20,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:20,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:20,864 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:20,864 INFO L185 Difference]: Start difference. First operand has 29 places, 28 transitions, 143 flow. Second operand 4 states and 85 transitions. [2021-04-29 04:23:20,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 38 transitions, 247 flow [2021-04-29 04:23:20,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 38 transitions, 247 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 04:23:20,874 INFO L241 Difference]: Finished difference. Result has 34 places, 28 transitions, 170 flow [2021-04-29 04:23:20,874 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=170, PETRI_PLACES=34, PETRI_TRANSITIONS=28} [2021-04-29 04:23:20,874 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 6 predicate places. [2021-04-29 04:23:20,874 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:20,876 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 28 transitions, 170 flow [2021-04-29 04:23:20,876 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 28 transitions, 170 flow [2021-04-29 04:23:20,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 28 transitions, 170 flow [2021-04-29 04:23:20,907 INFO L129 PetriNetUnfolder]: 68/164 cut-off events. [2021-04-29 04:23:20,907 INFO L130 PetriNetUnfolder]: For 173/186 co-relation queries the response was YES. [2021-04-29 04:23:20,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 470 conditions, 164 events. 68/164 cut-off events. For 173/186 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 744 event pairs, 26 based on Foata normal form. 3/140 useless extension candidates. Maximal degree in co-relation 414. Up to 75 conditions per place. [2021-04-29 04:23:20,912 INFO L146 LiptonReduction]: Number of co-enabled transitions 154 [2021-04-29 04:23:20,916 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:20,916 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:20,916 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-04-29 04:23:20,919 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 28 transitions, 170 flow [2021-04-29 04:23:20,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:20,920 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:20,920 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:20,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 04:23:20,921 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:20,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:20,922 INFO L82 PathProgramCache]: Analyzing trace with hash 33847619, now seen corresponding path program 1 times [2021-04-29 04:23:20,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:20,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463872001] [2021-04-29 04:23:20,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:20,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:20,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:20,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:20,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:20,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:20,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463872001] [2021-04-29 04:23:20,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:23:20,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:23:20,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523966257] [2021-04-29 04:23:20,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 04:23:20,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:20,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 04:23:20,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 04:23:20,996 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 33 [2021-04-29 04:23:20,996 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 28 transitions, 170 flow. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:20,996 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:20,996 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 33 [2021-04-29 04:23:20,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:21,121 INFO L129 PetriNetUnfolder]: 243/391 cut-off events. [2021-04-29 04:23:21,122 INFO L130 PetriNetUnfolder]: For 727/762 co-relation queries the response was YES. [2021-04-29 04:23:21,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1459 conditions, 391 events. 243/391 cut-off events. For 727/762 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 1642 event pairs, 77 based on Foata normal form. 29/380 useless extension candidates. Maximal degree in co-relation 1400. Up to 228 conditions per place. [2021-04-29 04:23:21,128 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 24 selfloop transitions, 9 changer transitions 7/47 dead transitions. [2021-04-29 04:23:21,128 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 47 transitions, 348 flow [2021-04-29 04:23:21,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 04:23:21,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 04:23:21,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 118 transitions. [2021-04-29 04:23:21,131 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7151515151515152 [2021-04-29 04:23:21,131 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 118 transitions. [2021-04-29 04:23:21,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 118 transitions. [2021-04-29 04:23:21,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:21,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 118 transitions. [2021-04-29 04:23:21,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:21,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 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) [2021-04-29 04:23:21,135 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 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) [2021-04-29 04:23:21,135 INFO L185 Difference]: Start difference. First operand has 33 places, 28 transitions, 170 flow. Second operand 5 states and 118 transitions. [2021-04-29 04:23:21,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 47 transitions, 348 flow [2021-04-29 04:23:21,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 47 transitions, 334 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-29 04:23:21,144 INFO L241 Difference]: Finished difference. Result has 36 places, 29 transitions, 193 flow [2021-04-29 04:23:21,145 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=193, PETRI_PLACES=36, PETRI_TRANSITIONS=29} [2021-04-29 04:23:21,145 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 8 predicate places. [2021-04-29 04:23:21,145 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:21,145 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 29 transitions, 193 flow [2021-04-29 04:23:21,146 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 29 transitions, 193 flow [2021-04-29 04:23:21,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 193 flow [2021-04-29 04:23:21,186 INFO L129 PetriNetUnfolder]: 99/218 cut-off events. [2021-04-29 04:23:21,187 INFO L130 PetriNetUnfolder]: For 376/391 co-relation queries the response was YES. [2021-04-29 04:23:21,190 INFO L84 FinitePrefix]: Finished finitePrefix Result has 694 conditions, 218 events. 99/218 cut-off events. For 376/391 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1013 event pairs, 36 based on Foata normal form. 3/182 useless extension candidates. Maximal degree in co-relation 635. Up to 104 conditions per place. [2021-04-29 04:23:21,194 INFO L146 LiptonReduction]: Number of co-enabled transitions 162 [2021-04-29 04:23:21,199 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:21,200 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:21,200 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-04-29 04:23:21,206 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 29 transitions, 193 flow [2021-04-29 04:23:21,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:21,209 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:21,209 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:21,209 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 04:23:21,209 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:21,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:21,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1788227315, now seen corresponding path program 1 times [2021-04-29 04:23:21,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:21,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045772896] [2021-04-29 04:23:21,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:21,268 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 04:23:21,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:21,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:21,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:21,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045772896] [2021-04-29 04:23:21,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576490464] [2021-04-29 04:23:21,294 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 [2021-04-29 04:23:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:21,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2021-04-29 04:23:21,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:21,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:21,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:21,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:21,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:21,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:21,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:21,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:21,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:21,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:21,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:21,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:21,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:21,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:21,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:21,382 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 04:23:21,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:21,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:21,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-04-29 04:23:21,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43464050] [2021-04-29 04:23:21,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 04:23:21,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:21,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 04:23:21,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 04:23:21,399 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 33 [2021-04-29 04:23:21,400 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 29 transitions, 193 flow. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:21,400 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:21,400 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 33 [2021-04-29 04:23:21,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:21,533 INFO L129 PetriNetUnfolder]: 228/376 cut-off events. [2021-04-29 04:23:21,533 INFO L130 PetriNetUnfolder]: For 1207/1229 co-relation queries the response was YES. [2021-04-29 04:23:21,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1557 conditions, 376 events. 228/376 cut-off events. For 1207/1229 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 1559 event pairs, 19 based on Foata normal form. 14/353 useless extension candidates. Maximal degree in co-relation 1508. Up to 153 conditions per place. [2021-04-29 04:23:21,537 INFO L132 encePairwiseOnDemand]: 25/33 looper letters, 17 selfloop transitions, 7 changer transitions 32/62 dead transitions. [2021-04-29 04:23:21,537 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 62 transitions, 530 flow [2021-04-29 04:23:21,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 04:23:21,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 04:23:21,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 132 transitions. [2021-04-29 04:23:21,538 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-04-29 04:23:21,538 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 132 transitions. [2021-04-29 04:23:21,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 132 transitions. [2021-04-29 04:23:21,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:21,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 132 transitions. [2021-04-29 04:23:21,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:21,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:21,541 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:21,541 INFO L185 Difference]: Start difference. First operand has 36 places, 29 transitions, 193 flow. Second operand 6 states and 132 transitions. [2021-04-29 04:23:21,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 62 transitions, 530 flow [2021-04-29 04:23:21,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 62 transitions, 500 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-04-29 04:23:21,547 INFO L241 Difference]: Finished difference. Result has 42 places, 23 transitions, 170 flow [2021-04-29 04:23:21,547 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=170, PETRI_PLACES=42, PETRI_TRANSITIONS=23} [2021-04-29 04:23:21,547 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 14 predicate places. [2021-04-29 04:23:21,547 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:21,547 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 23 transitions, 170 flow [2021-04-29 04:23:21,548 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 23 transitions, 170 flow [2021-04-29 04:23:21,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 23 transitions, 170 flow [2021-04-29 04:23:21,559 INFO L129 PetriNetUnfolder]: 43/89 cut-off events. [2021-04-29 04:23:21,559 INFO L130 PetriNetUnfolder]: For 214/232 co-relation queries the response was YES. [2021-04-29 04:23:21,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 89 events. 43/89 cut-off events. For 214/232 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 254 event pairs, 10 based on Foata normal form. 1/82 useless extension candidates. Maximal degree in co-relation 320. Up to 39 conditions per place. [2021-04-29 04:23:21,562 INFO L146 LiptonReduction]: Number of co-enabled transitions 68 [2021-04-29 04:23:21,564 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:21,564 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:21,564 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-04-29 04:23:21,565 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 23 transitions, 170 flow [2021-04-29 04:23:21,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:21,565 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:21,565 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:21,780 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:21,781 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:21,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:21,782 INFO L82 PathProgramCache]: Analyzing trace with hash -3196442, now seen corresponding path program 1 times [2021-04-29 04:23:21,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:21,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664022914] [2021-04-29 04:23:21,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:21,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:21,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:21,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:23:21,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664022914] [2021-04-29 04:23:21,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:23:21,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:23:21,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287867688] [2021-04-29 04:23:21,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 04:23:21,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:21,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 04:23:21,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 04:23:21,815 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 33 [2021-04-29 04:23:21,815 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 23 transitions, 170 flow. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:21,815 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:21,815 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 33 [2021-04-29 04:23:21,815 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:21,854 INFO L129 PetriNetUnfolder]: 71/128 cut-off events. [2021-04-29 04:23:21,854 INFO L130 PetriNetUnfolder]: For 467/480 co-relation queries the response was YES. [2021-04-29 04:23:21,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 128 events. 71/128 cut-off events. For 467/480 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 343 event pairs, 6 based on Foata normal form. 9/137 useless extension candidates. Maximal degree in co-relation 599. Up to 78 conditions per place. [2021-04-29 04:23:21,857 INFO L132 encePairwiseOnDemand]: 29/33 looper letters, 19 selfloop transitions, 7 changer transitions 0/33 dead transitions. [2021-04-29 04:23:21,857 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 33 transitions, 306 flow [2021-04-29 04:23:21,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 04:23:21,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 04:23:21,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 86 transitions. [2021-04-29 04:23:21,858 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6515151515151515 [2021-04-29 04:23:21,858 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 86 transitions. [2021-04-29 04:23:21,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 86 transitions. [2021-04-29 04:23:21,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:21,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 86 transitions. [2021-04-29 04:23:21,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 21.5) internal successors, (86), 4 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) [2021-04-29 04:23:21,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:21,860 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:21,860 INFO L185 Difference]: Start difference. First operand has 34 places, 23 transitions, 170 flow. Second operand 4 states and 86 transitions. [2021-04-29 04:23:21,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 33 transitions, 306 flow [2021-04-29 04:23:21,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 33 transitions, 279 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-04-29 04:23:21,864 INFO L241 Difference]: Finished difference. Result has 35 places, 26 transitions, 202 flow [2021-04-29 04:23:21,864 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=202, PETRI_PLACES=35, PETRI_TRANSITIONS=26} [2021-04-29 04:23:21,864 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 7 predicate places. [2021-04-29 04:23:21,865 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:21,865 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 26 transitions, 202 flow [2021-04-29 04:23:21,865 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 26 transitions, 202 flow [2021-04-29 04:23:21,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 26 transitions, 202 flow [2021-04-29 04:23:21,877 INFO L129 PetriNetUnfolder]: 40/98 cut-off events. [2021-04-29 04:23:21,877 INFO L130 PetriNetUnfolder]: For 227/233 co-relation queries the response was YES. [2021-04-29 04:23:21,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 98 events. 40/98 cut-off events. For 227/233 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 338 event pairs, 15 based on Foata normal form. 2/97 useless extension candidates. Maximal degree in co-relation 332. Up to 42 conditions per place. [2021-04-29 04:23:21,879 INFO L146 LiptonReduction]: Number of co-enabled transitions 76 [2021-04-29 04:23:21,882 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:21,882 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:21,882 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-04-29 04:23:21,883 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 26 transitions, 202 flow [2021-04-29 04:23:21,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:21,883 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:21,883 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:21,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 04:23:21,884 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:21,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:21,884 INFO L82 PathProgramCache]: Analyzing trace with hash -475404544, now seen corresponding path program 2 times [2021-04-29 04:23:21,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:21,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534991881] [2021-04-29 04:23:21,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:21,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:21,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:21,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:23:21,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534991881] [2021-04-29 04:23:21,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824090647] [2021-04-29 04:23:21,909 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 [2021-04-29 04:23:21,942 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:23:21,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:23:21,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2021-04-29 04:23:21,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:21,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:21,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:21,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:21,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:21,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:21,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:21,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:21,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:21,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:21,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:21,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:21,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:21,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:21,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:21,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:21,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:21,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:21,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:21,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:21,992 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 04:23:21,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:21,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:21,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:22,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:22,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:22,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:22,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:22,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:22,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:22,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:22,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:22,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:23:22,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:22,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-04-29 04:23:22,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954235298] [2021-04-29 04:23:22,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 04:23:22,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:22,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 04:23:22,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 04:23:22,008 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 33 [2021-04-29 04:23:22,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 26 transitions, 202 flow. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:22,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:22,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 33 [2021-04-29 04:23:22,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:22,053 INFO L129 PetriNetUnfolder]: 63/109 cut-off events. [2021-04-29 04:23:22,053 INFO L130 PetriNetUnfolder]: For 380/410 co-relation queries the response was YES. [2021-04-29 04:23:22,053 INFO L84 FinitePrefix]: Finished finitePrefix Result has 541 conditions, 109 events. 63/109 cut-off events. For 380/410 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 261 event pairs, 3 based on Foata normal form. 9/117 useless extension candidates. Maximal degree in co-relation 505. Up to 78 conditions per place. [2021-04-29 04:23:22,055 INFO L132 encePairwiseOnDemand]: 29/33 looper letters, 18 selfloop transitions, 7 changer transitions 0/32 dead transitions. [2021-04-29 04:23:22,055 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 32 transitions, 304 flow [2021-04-29 04:23:22,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 04:23:22,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 04:23:22,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions. [2021-04-29 04:23:22,056 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6439393939393939 [2021-04-29 04:23:22,056 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 85 transitions. [2021-04-29 04:23:22,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 85 transitions. [2021-04-29 04:23:22,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:22,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 85 transitions. [2021-04-29 04:23:22,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:22,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:22,058 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:22,058 INFO L185 Difference]: Start difference. First operand has 35 places, 26 transitions, 202 flow. Second operand 4 states and 85 transitions. [2021-04-29 04:23:22,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 32 transitions, 304 flow [2021-04-29 04:23:22,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 32 transitions, 302 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-04-29 04:23:22,062 INFO L241 Difference]: Finished difference. Result has 39 places, 26 transitions, 220 flow [2021-04-29 04:23:22,062 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=220, PETRI_PLACES=39, PETRI_TRANSITIONS=26} [2021-04-29 04:23:22,062 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 11 predicate places. [2021-04-29 04:23:22,062 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:22,062 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 26 transitions, 220 flow [2021-04-29 04:23:22,063 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 26 transitions, 220 flow [2021-04-29 04:23:22,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 26 transitions, 220 flow [2021-04-29 04:23:22,072 INFO L129 PetriNetUnfolder]: 34/81 cut-off events. [2021-04-29 04:23:22,072 INFO L130 PetriNetUnfolder]: For 220/231 co-relation queries the response was YES. [2021-04-29 04:23:22,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 81 events. 34/81 cut-off events. For 220/231 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 249 event pairs, 11 based on Foata normal form. 3/80 useless extension candidates. Maximal degree in co-relation 285. Up to 34 conditions per place. [2021-04-29 04:23:22,074 INFO L146 LiptonReduction]: Number of co-enabled transitions 76 [2021-04-29 04:23:22,076 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:22,076 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:22,077 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-04-29 04:23:22,077 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 26 transitions, 220 flow [2021-04-29 04:23:22,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:22,077 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:22,078 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:22,292 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:22,293 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:22,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:22,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1295696867, now seen corresponding path program 1 times [2021-04-29 04:23:22,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:22,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968653053] [2021-04-29 04:23:22,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:22,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:22,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:22,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:22,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:23:22,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968653053] [2021-04-29 04:23:22,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:23:22,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:23:22,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383356093] [2021-04-29 04:23:22,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 04:23:22,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:22,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 04:23:22,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 04:23:22,320 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 33 [2021-04-29 04:23:22,320 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 26 transitions, 220 flow. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:22,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:22,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 33 [2021-04-29 04:23:22,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:22,361 INFO L129 PetriNetUnfolder]: 57/98 cut-off events. [2021-04-29 04:23:22,361 INFO L130 PetriNetUnfolder]: For 419/432 co-relation queries the response was YES. [2021-04-29 04:23:22,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 511 conditions, 98 events. 57/98 cut-off events. For 419/432 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 246 event pairs, 5 based on Foata normal form. 10/107 useless extension candidates. Maximal degree in co-relation 473. Up to 56 conditions per place. [2021-04-29 04:23:22,363 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 23 selfloop transitions, 6 changer transitions 3/39 dead transitions. [2021-04-29 04:23:22,363 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 39 transitions, 398 flow [2021-04-29 04:23:22,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 04:23:22,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 04:23:22,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 104 transitions. [2021-04-29 04:23:22,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6303030303030303 [2021-04-29 04:23:22,365 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 104 transitions. [2021-04-29 04:23:22,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 104 transitions. [2021-04-29 04:23:22,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:22,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 104 transitions. [2021-04-29 04:23:22,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:22,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 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) [2021-04-29 04:23:22,367 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 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) [2021-04-29 04:23:22,367 INFO L185 Difference]: Start difference. First operand has 39 places, 26 transitions, 220 flow. Second operand 5 states and 104 transitions. [2021-04-29 04:23:22,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 39 transitions, 398 flow [2021-04-29 04:23:22,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 39 transitions, 365 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-04-29 04:23:22,371 INFO L241 Difference]: Finished difference. Result has 41 places, 26 transitions, 216 flow [2021-04-29 04:23:22,371 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=216, PETRI_PLACES=41, PETRI_TRANSITIONS=26} [2021-04-29 04:23:22,371 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 13 predicate places. [2021-04-29 04:23:22,371 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:22,371 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 26 transitions, 216 flow [2021-04-29 04:23:22,372 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 26 transitions, 216 flow [2021-04-29 04:23:22,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 26 transitions, 216 flow [2021-04-29 04:23:22,380 INFO L129 PetriNetUnfolder]: 30/66 cut-off events. [2021-04-29 04:23:22,380 INFO L130 PetriNetUnfolder]: For 213/221 co-relation queries the response was YES. [2021-04-29 04:23:22,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 66 events. 30/66 cut-off events. For 213/221 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 171 event pairs, 11 based on Foata normal form. 3/65 useless extension candidates. Maximal degree in co-relation 258. Up to 30 conditions per place. [2021-04-29 04:23:22,381 INFO L146 LiptonReduction]: Number of co-enabled transitions 74 [2021-04-29 04:23:22,384 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:22,384 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:22,384 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-04-29 04:23:22,385 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 26 transitions, 216 flow [2021-04-29 04:23:22,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:22,385 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:22,385 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:22,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 04:23:22,385 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:22,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:22,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1670014398, now seen corresponding path program 1 times [2021-04-29 04:23:22,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:22,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622788427] [2021-04-29 04:23:22,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:22,414 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-04-29 04:23:22,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:22,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:23:22,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:23:22,439 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 04:23:22,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:22,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622788427] [2021-04-29 04:23:22,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815227074] [2021-04-29 04:23:22,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:23:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:22,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjunts are in the unsatisfiable core [2021-04-29 04:23:22,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:22,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:22,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:22,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:22,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:22,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:22,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:22,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:22,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:22,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,501 INFO L147 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size 14 [2021-04-29 04:23:22,501 INFO L142 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size [2021-04-29 04:23:22,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:22,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:22,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:22,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:22,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:22,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:22,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:22,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:22,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:22,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:22,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:22,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,526 INFO L147 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size 16 [2021-04-29 04:23:22,526 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-04-29 04:23:22,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:22,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:22,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:22,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:22,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:22,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:22,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:22,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:22,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:22,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:22,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:22,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:22,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:22,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-29 04:23:22,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925834550] [2021-04-29 04:23:22,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:23:22,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:22,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:23:22,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:23:22,579 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-04-29 04:23:22,580 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 26 transitions, 216 flow. Second operand has 9 states, 9 states have (on average 21.22222222222222) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:22,580 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:22,580 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-04-29 04:23:22,580 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:22,659 INFO L129 PetriNetUnfolder]: 85/165 cut-off events. [2021-04-29 04:23:22,660 INFO L130 PetriNetUnfolder]: For 663/678 co-relation queries the response was YES. [2021-04-29 04:23:22,661 INFO L84 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 165 events. 85/165 cut-off events. For 663/678 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 562 event pairs, 16 based on Foata normal form. 11/162 useless extension candidates. Maximal degree in co-relation 729. Up to 74 conditions per place. [2021-04-29 04:23:22,663 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 21 selfloop transitions, 19 changer transitions 0/48 dead transitions. [2021-04-29 04:23:22,663 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 48 transitions, 471 flow [2021-04-29 04:23:22,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:23:22,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:23:22,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 192 transitions. [2021-04-29 04:23:22,664 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7272727272727273 [2021-04-29 04:23:22,664 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 192 transitions. [2021-04-29 04:23:22,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 192 transitions. [2021-04-29 04:23:22,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:22,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 192 transitions. [2021-04-29 04:23:22,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:22,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 33.0) internal successors, (297), 9 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:22,667 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 33.0) internal successors, (297), 9 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:22,667 INFO L185 Difference]: Start difference. First operand has 40 places, 26 transitions, 216 flow. Second operand 8 states and 192 transitions. [2021-04-29 04:23:22,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 48 transitions, 471 flow [2021-04-29 04:23:22,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 48 transitions, 466 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:23:22,672 INFO L241 Difference]: Finished difference. Result has 49 places, 41 transitions, 397 flow [2021-04-29 04:23:22,672 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=397, PETRI_PLACES=49, PETRI_TRANSITIONS=41} [2021-04-29 04:23:22,672 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 21 predicate places. [2021-04-29 04:23:22,673 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:22,673 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 41 transitions, 397 flow [2021-04-29 04:23:22,673 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 41 transitions, 397 flow [2021-04-29 04:23:22,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 41 transitions, 397 flow [2021-04-29 04:23:22,689 INFO L129 PetriNetUnfolder]: 59/134 cut-off events. [2021-04-29 04:23:22,689 INFO L130 PetriNetUnfolder]: For 485/519 co-relation queries the response was YES. [2021-04-29 04:23:22,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 607 conditions, 134 events. 59/134 cut-off events. For 485/519 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 472 event pairs, 24 based on Foata normal form. 4/124 useless extension candidates. Maximal degree in co-relation 545. Up to 59 conditions per place. [2021-04-29 04:23:22,692 INFO L146 LiptonReduction]: Number of co-enabled transitions 152 [2021-04-29 04:23:22,698 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:22,699 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:22,699 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-04-29 04:23:22,699 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 41 transitions, 397 flow [2021-04-29 04:23:22,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 21.22222222222222) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:22,700 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:22,700 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:22,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:22,914 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:22,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:22,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1543829806, now seen corresponding path program 2 times [2021-04-29 04:23:22,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:22,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759451288] [2021-04-29 04:23:22,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:22,948 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-04-29 04:23:22,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:22,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:23:22,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:22,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:22,973 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 04:23:22,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:22,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:22,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759451288] [2021-04-29 04:23:22,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207313185] [2021-04-29 04:23:22,989 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 [2021-04-29 04:23:23,026 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:23:23,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:23:23,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjunts are in the unsatisfiable core [2021-04-29 04:23:23,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:23,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,093 INFO L147 QuantifierPusher]: treesize reduction 6, result has 70.0 percent of original size 14 [2021-04-29 04:23:23,093 INFO L142 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size [2021-04-29 04:23:23,095 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-04-29 04:23:23,095 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 04:23:23,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:23,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:23,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:23,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:23,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:23,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:23,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:23,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:23,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-29 04:23:23,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336106681] [2021-04-29 04:23:23,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:23:23,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:23,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:23:23,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:23:23,154 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-04-29 04:23:23,155 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 397 flow. Second operand has 9 states, 9 states have (on average 21.22222222222222) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:23,155 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:23,155 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-04-29 04:23:23,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:23,267 INFO L129 PetriNetUnfolder]: 125/241 cut-off events. [2021-04-29 04:23:23,267 INFO L130 PetriNetUnfolder]: For 1141/1186 co-relation queries the response was YES. [2021-04-29 04:23:23,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1249 conditions, 241 events. 125/241 cut-off events. For 1141/1186 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 956 event pairs, 35 based on Foata normal form. 18/237 useless extension candidates. Maximal degree in co-relation 1171. Up to 118 conditions per place. [2021-04-29 04:23:23,271 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 33 selfloop transitions, 19 changer transitions 0/60 dead transitions. [2021-04-29 04:23:23,271 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 60 transitions, 670 flow [2021-04-29 04:23:23,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:23:23,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:23:23,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 192 transitions. [2021-04-29 04:23:23,273 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7272727272727273 [2021-04-29 04:23:23,273 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 192 transitions. [2021-04-29 04:23:23,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 192 transitions. [2021-04-29 04:23:23,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:23,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 192 transitions. [2021-04-29 04:23:23,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:23,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 33.0) internal successors, (297), 9 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:23,276 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 33.0) internal successors, (297), 9 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:23,276 INFO L185 Difference]: Start difference. First operand has 49 places, 41 transitions, 397 flow. Second operand 8 states and 192 transitions. [2021-04-29 04:23:23,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 60 transitions, 670 flow [2021-04-29 04:23:23,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 60 transitions, 612 flow, removed 27 selfloop flow, removed 1 redundant places. [2021-04-29 04:23:23,282 INFO L241 Difference]: Finished difference. Result has 57 places, 53 transitions, 507 flow [2021-04-29 04:23:23,283 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=507, PETRI_PLACES=57, PETRI_TRANSITIONS=53} [2021-04-29 04:23:23,283 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 29 predicate places. [2021-04-29 04:23:23,283 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:23,283 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 53 transitions, 507 flow [2021-04-29 04:23:23,284 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 53 transitions, 507 flow [2021-04-29 04:23:23,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 53 transitions, 507 flow [2021-04-29 04:23:23,308 INFO L129 PetriNetUnfolder]: 85/200 cut-off events. [2021-04-29 04:23:23,309 INFO L130 PetriNetUnfolder]: For 692/720 co-relation queries the response was YES. [2021-04-29 04:23:23,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 878 conditions, 200 events. 85/200 cut-off events. For 692/720 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 878 event pairs, 39 based on Foata normal form. 2/181 useless extension candidates. Maximal degree in co-relation 787. Up to 87 conditions per place. [2021-04-29 04:23:23,313 INFO L146 LiptonReduction]: Number of co-enabled transitions 212 [2021-04-29 04:23:23,322 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:23,322 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:23,322 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-04-29 04:23:23,323 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 53 transitions, 507 flow [2021-04-29 04:23:23,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 21.22222222222222) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:23,323 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:23,324 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:23,537 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-04-29 04:23:23,537 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:23,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:23,538 INFO L82 PathProgramCache]: Analyzing trace with hash 375195566, now seen corresponding path program 3 times [2021-04-29 04:23:23,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:23,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915754531] [2021-04-29 04:23:23,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:23,565 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-04-29 04:23:23,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,575 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-04-29 04:23:23,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:23,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 04:23:23,598 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 04:23:23,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:23,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915754531] [2021-04-29 04:23:23,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136365112] [2021-04-29 04:23:23,608 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:23,648 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 04:23:23,648 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:23:23,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjunts are in the unsatisfiable core [2021-04-29 04:23:23,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:23,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:23,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,696 INFO L147 QuantifierPusher]: treesize reduction 7, result has 69.6 percent of original size 16 [2021-04-29 04:23:23,697 INFO L142 QuantifierPusher]: treesize reduction 7, result has 69.6 percent of original size [2021-04-29 04:23:23,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:23,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:23,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:23,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:23,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:23,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:23,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:23,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:23,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:23,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:23,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:23,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:23:23,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:23,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:23,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:23,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:23,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:23,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:23,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:23,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-29 04:23:23,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033965546] [2021-04-29 04:23:23,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:23:23,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:23,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:23:23,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:23:23,763 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-04-29 04:23:23,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 53 transitions, 507 flow. Second operand has 9 states, 9 states have (on average 21.22222222222222) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:23,764 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:23,764 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-04-29 04:23:23,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:23,893 INFO L129 PetriNetUnfolder]: 143/277 cut-off events. [2021-04-29 04:23:23,893 INFO L130 PetriNetUnfolder]: For 1398/1409 co-relation queries the response was YES. [2021-04-29 04:23:23,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1463 conditions, 277 events. 143/277 cut-off events. For 1398/1409 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1164 event pairs, 56 based on Foata normal form. 6/261 useless extension candidates. Maximal degree in co-relation 1371. Up to 158 conditions per place. [2021-04-29 04:23:23,897 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 43 selfloop transitions, 13 changer transitions 0/64 dead transitions. [2021-04-29 04:23:23,898 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 64 transitions, 737 flow [2021-04-29 04:23:23,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 04:23:23,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 04:23:23,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 141 transitions. [2021-04-29 04:23:23,899 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7121212121212122 [2021-04-29 04:23:23,899 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 141 transitions. [2021-04-29 04:23:23,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 141 transitions. [2021-04-29 04:23:23,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:23,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 141 transitions. [2021-04-29 04:23:23,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:23,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:23,901 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:23,902 INFO L185 Difference]: Start difference. First operand has 57 places, 53 transitions, 507 flow. Second operand 6 states and 141 transitions. [2021-04-29 04:23:23,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 64 transitions, 737 flow [2021-04-29 04:23:23,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 64 transitions, 661 flow, removed 34 selfloop flow, removed 2 redundant places. [2021-04-29 04:23:23,913 INFO L241 Difference]: Finished difference. Result has 63 places, 62 transitions, 581 flow [2021-04-29 04:23:23,914 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=431, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=581, PETRI_PLACES=63, PETRI_TRANSITIONS=62} [2021-04-29 04:23:23,914 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 35 predicate places. [2021-04-29 04:23:23,914 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:23,914 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 62 transitions, 581 flow [2021-04-29 04:23:23,915 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 62 transitions, 581 flow [2021-04-29 04:23:23,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 62 transitions, 581 flow [2021-04-29 04:23:23,943 INFO L129 PetriNetUnfolder]: 99/233 cut-off events. [2021-04-29 04:23:23,943 INFO L130 PetriNetUnfolder]: For 870/905 co-relation queries the response was YES. [2021-04-29 04:23:23,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1034 conditions, 233 events. 99/233 cut-off events. For 870/905 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1092 event pairs, 45 based on Foata normal form. 3/214 useless extension candidates. Maximal degree in co-relation 927. Up to 102 conditions per place. [2021-04-29 04:23:23,948 INFO L146 LiptonReduction]: Number of co-enabled transitions 250 [2021-04-29 04:23:23,962 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:23,962 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:23,963 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-04-29 04:23:23,963 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 62 transitions, 581 flow [2021-04-29 04:23:23,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 21.22222222222222) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:23,964 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:23,964 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:24,179 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:24,180 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:24,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:24,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1294125634, now seen corresponding path program 4 times [2021-04-29 04:23:24,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:24,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157753759] [2021-04-29 04:23:24,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:24,222 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-04-29 04:23:24,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:23:24,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:24,250 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-04-29 04:23:24,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:24,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157753759] [2021-04-29 04:23:24,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218096097] [2021-04-29 04:23:24,258 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:24,285 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:23:24,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:23:24,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjunts are in the unsatisfiable core [2021-04-29 04:23:24,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:24,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:23:24,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,331 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-04-29 04:23:24,331 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-04-29 04:23:24,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:24,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:24,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:24,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:24,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:24,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:24,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:24,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:24,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:24,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:24,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,351 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-04-29 04:23:24,352 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 04:23:24,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:24,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:24,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:24,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:24,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:24,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-29 04:23:24,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202374745] [2021-04-29 04:23:24,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:23:24,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:24,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:23:24,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:23:24,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-04-29 04:23:24,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 62 transitions, 581 flow. Second operand has 9 states, 9 states have (on average 21.22222222222222) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:24,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:24,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-04-29 04:23:24,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:24,511 INFO L129 PetriNetUnfolder]: 149/316 cut-off events. [2021-04-29 04:23:24,511 INFO L130 PetriNetUnfolder]: For 1673/1771 co-relation queries the response was YES. [2021-04-29 04:23:24,514 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1642 conditions, 316 events. 149/316 cut-off events. For 1673/1771 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1540 event pairs, 51 based on Foata normal form. 22/306 useless extension candidates. Maximal degree in co-relation 1513. Up to 151 conditions per place. [2021-04-29 04:23:24,517 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 54 selfloop transitions, 19 changer transitions 0/81 dead transitions. [2021-04-29 04:23:24,518 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 81 transitions, 955 flow [2021-04-29 04:23:24,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:23:24,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:23:24,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 192 transitions. [2021-04-29 04:23:24,519 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7272727272727273 [2021-04-29 04:23:24,519 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 192 transitions. [2021-04-29 04:23:24,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 192 transitions. [2021-04-29 04:23:24,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:24,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 192 transitions. [2021-04-29 04:23:24,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:24,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 33.0) internal successors, (297), 9 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:24,522 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 33.0) internal successors, (297), 9 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:24,522 INFO L185 Difference]: Start difference. First operand has 63 places, 62 transitions, 581 flow. Second operand 8 states and 192 transitions. [2021-04-29 04:23:24,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 81 transitions, 955 flow [2021-04-29 04:23:24,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 81 transitions, 895 flow, removed 28 selfloop flow, removed 1 redundant places. [2021-04-29 04:23:24,533 INFO L241 Difference]: Finished difference. Result has 71 places, 74 transitions, 730 flow [2021-04-29 04:23:24,533 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=521, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=730, PETRI_PLACES=71, PETRI_TRANSITIONS=74} [2021-04-29 04:23:24,534 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 43 predicate places. [2021-04-29 04:23:24,534 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:24,534 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 74 transitions, 730 flow [2021-04-29 04:23:24,534 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 74 transitions, 730 flow [2021-04-29 04:23:24,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 74 transitions, 730 flow [2021-04-29 04:23:24,575 INFO L129 PetriNetUnfolder]: 128/296 cut-off events. [2021-04-29 04:23:24,575 INFO L130 PetriNetUnfolder]: For 1301/1347 co-relation queries the response was YES. [2021-04-29 04:23:24,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1340 conditions, 296 events. 128/296 cut-off events. For 1301/1347 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1456 event pairs, 60 based on Foata normal form. 3/263 useless extension candidates. Maximal degree in co-relation 1201. Up to 132 conditions per place. [2021-04-29 04:23:24,583 INFO L146 LiptonReduction]: Number of co-enabled transitions 304 [2021-04-29 04:23:24,598 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:24,598 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:24,598 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-04-29 04:23:24,599 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 74 transitions, 730 flow [2021-04-29 04:23:24,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 21.22222222222222) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:24,599 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:24,599 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:24,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:24,813 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:24,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:24,815 INFO L82 PathProgramCache]: Analyzing trace with hash -303282822, now seen corresponding path program 5 times [2021-04-29 04:23:24,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:24,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134779105] [2021-04-29 04:23:24,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:24,842 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-04-29 04:23:24,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:24,855 INFO L142 QuantifierPusher]: treesize reduction 8, result has 74.2 percent of original size [2021-04-29 04:23:24,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:23:24,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:24,882 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-04-29 04:23:24,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:24,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:24,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134779105] [2021-04-29 04:23:24,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771663742] [2021-04-29 04:23:24,893 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:23:24,925 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-04-29 04:23:24,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:24,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjunts are in the unsatisfiable core [2021-04-29 04:23:24,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:24,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:24,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,958 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-04-29 04:23:24,959 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-04-29 04:23:24,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:24,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:24,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:24,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:24,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:24,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:24,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:24,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:24,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:24,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:24,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:24,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:25,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:25,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:25,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-29 04:23:25,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839908411] [2021-04-29 04:23:25,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:23:25,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:25,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:23:25,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:23:25,026 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-04-29 04:23:25,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 74 transitions, 730 flow. Second operand has 9 states, 9 states have (on average 21.11111111111111) internal successors, (190), 9 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:25,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:25,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-04-29 04:23:25,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:25,190 INFO L129 PetriNetUnfolder]: 201/389 cut-off events. [2021-04-29 04:23:25,190 INFO L130 PetriNetUnfolder]: For 2382/2433 co-relation queries the response was YES. [2021-04-29 04:23:25,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2104 conditions, 389 events. 201/389 cut-off events. For 2382/2433 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1838 event pairs, 83 based on Foata normal form. 17/369 useless extension candidates. Maximal degree in co-relation 1968. Up to 223 conditions per place. [2021-04-29 04:23:25,198 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 64 selfloop transitions, 13 changer transitions 0/85 dead transitions. [2021-04-29 04:23:25,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 85 transitions, 1026 flow [2021-04-29 04:23:25,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 04:23:25,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 04:23:25,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 141 transitions. [2021-04-29 04:23:25,200 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7121212121212122 [2021-04-29 04:23:25,200 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 141 transitions. [2021-04-29 04:23:25,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 141 transitions. [2021-04-29 04:23:25,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:25,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 141 transitions. [2021-04-29 04:23:25,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:25,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:25,202 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:25,202 INFO L185 Difference]: Start difference. First operand has 71 places, 74 transitions, 730 flow. Second operand 6 states and 141 transitions. [2021-04-29 04:23:25,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 85 transitions, 1026 flow [2021-04-29 04:23:25,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 85 transitions, 908 flow, removed 55 selfloop flow, removed 2 redundant places. [2021-04-29 04:23:25,221 INFO L241 Difference]: Finished difference. Result has 77 places, 83 transitions, 786 flow [2021-04-29 04:23:25,221 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=786, PETRI_PLACES=77, PETRI_TRANSITIONS=83} [2021-04-29 04:23:25,221 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 49 predicate places. [2021-04-29 04:23:25,222 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:25,222 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 83 transitions, 786 flow [2021-04-29 04:23:25,222 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 83 transitions, 786 flow [2021-04-29 04:23:25,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 83 transitions, 786 flow [2021-04-29 04:23:25,266 INFO L129 PetriNetUnfolder]: 142/329 cut-off events. [2021-04-29 04:23:25,267 INFO L130 PetriNetUnfolder]: For 1469/1512 co-relation queries the response was YES. [2021-04-29 04:23:25,269 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1477 conditions, 329 events. 142/329 cut-off events. For 1469/1512 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1730 event pairs, 68 based on Foata normal form. 3/294 useless extension candidates. Maximal degree in co-relation 1321. Up to 146 conditions per place. [2021-04-29 04:23:25,274 INFO L146 LiptonReduction]: Number of co-enabled transitions 336 [2021-04-29 04:23:25,292 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:25,292 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:25,292 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 70 [2021-04-29 04:23:25,293 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 83 transitions, 786 flow [2021-04-29 04:23:25,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 21.11111111111111) internal successors, (190), 9 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:25,293 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:25,293 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:25,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-04-29 04:23:25,507 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:25,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:25,509 INFO L82 PathProgramCache]: Analyzing trace with hash 53392762, now seen corresponding path program 6 times [2021-04-29 04:23:25,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:25,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374373595] [2021-04-29 04:23:25,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:25,531 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-04-29 04:23:25,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,538 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-04-29 04:23:25,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 04:23:25,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,557 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-04-29 04:23:25,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:25,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374373595] [2021-04-29 04:23:25,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19842909] [2021-04-29 04:23:25,566 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:23:25,610 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 04:23:25,610 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:25,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjunts are in the unsatisfiable core [2021-04-29 04:23:25,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:25,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,636 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-04-29 04:23:25,637 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-04-29 04:23:25,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:23:25,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,652 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-04-29 04:23:25,654 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-04-29 04:23:25,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:25,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:25,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:25,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:25,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:25,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:25,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:25,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:25,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:25,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:25,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:25,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:25,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-29 04:23:25,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896402171] [2021-04-29 04:23:25,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:23:25,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:25,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:23:25,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:23:25,700 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-04-29 04:23:25,700 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 83 transitions, 786 flow. Second operand has 9 states, 9 states have (on average 21.22222222222222) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:25,700 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:25,700 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-04-29 04:23:25,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:25,830 INFO L129 PetriNetUnfolder]: 180/377 cut-off events. [2021-04-29 04:23:25,831 INFO L130 PetriNetUnfolder]: For 2232/2315 co-relation queries the response was YES. [2021-04-29 04:23:25,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1988 conditions, 377 events. 180/377 cut-off events. For 2232/2315 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1915 event pairs, 78 based on Foata normal form. 11/347 useless extension candidates. Maximal degree in co-relation 1831. Up to 203 conditions per place. [2021-04-29 04:23:25,838 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 70 selfloop transitions, 13 changer transitions 0/91 dead transitions. [2021-04-29 04:23:25,838 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 91 transitions, 1070 flow [2021-04-29 04:23:25,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 04:23:25,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 04:23:25,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 141 transitions. [2021-04-29 04:23:25,840 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7121212121212122 [2021-04-29 04:23:25,840 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 141 transitions. [2021-04-29 04:23:25,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 141 transitions. [2021-04-29 04:23:25,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:25,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 141 transitions. [2021-04-29 04:23:25,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:25,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:25,843 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:25,843 INFO L185 Difference]: Start difference. First operand has 77 places, 83 transitions, 786 flow. Second operand 6 states and 141 transitions. [2021-04-29 04:23:25,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 91 transitions, 1070 flow [2021-04-29 04:23:25,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 91 transitions, 984 flow, removed 41 selfloop flow, removed 1 redundant places. [2021-04-29 04:23:25,858 INFO L241 Difference]: Finished difference. Result has 83 places, 89 transitions, 838 flow [2021-04-29 04:23:25,858 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=838, PETRI_PLACES=83, PETRI_TRANSITIONS=89} [2021-04-29 04:23:25,858 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 55 predicate places. [2021-04-29 04:23:25,858 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:25,858 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 89 transitions, 838 flow [2021-04-29 04:23:25,859 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 89 transitions, 838 flow [2021-04-29 04:23:25,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 89 transitions, 838 flow [2021-04-29 04:23:25,904 INFO L129 PetriNetUnfolder]: 151/351 cut-off events. [2021-04-29 04:23:25,904 INFO L130 PetriNetUnfolder]: For 1745/1792 co-relation queries the response was YES. [2021-04-29 04:23:25,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1580 conditions, 351 events. 151/351 cut-off events. For 1745/1792 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1883 event pairs, 72 based on Foata normal form. 4/314 useless extension candidates. Maximal degree in co-relation 1408. Up to 155 conditions per place. [2021-04-29 04:23:25,911 INFO L146 LiptonReduction]: Number of co-enabled transitions 358 [2021-04-29 04:23:25,931 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:25,931 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:25,931 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-04-29 04:23:25,932 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 89 transitions, 838 flow [2021-04-29 04:23:25,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 21.22222222222222) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:25,932 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:25,932 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:26,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:26,147 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:26,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:26,148 INFO L82 PathProgramCache]: Analyzing trace with hash -2089529661, now seen corresponding path program 7 times [2021-04-29 04:23:26,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:26,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405906248] [2021-04-29 04:23:26,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:26,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:26,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,177 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:23:26,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405906248] [2021-04-29 04:23:26,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112509041] [2021-04-29 04:23:26,177 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:26,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:23:26,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:26,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:26,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:26,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:26,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:26,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:26,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:26,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:26,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:26,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:26,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:26,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:26,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:26,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:26,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:26,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:26,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:26,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:26,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:26,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:26,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:26,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:26,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:26,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:26,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:26,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:26,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:26,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:26,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:26,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,255 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 04:23:26,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,271 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:23:26,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:26,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-04-29 04:23:26,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988818061] [2021-04-29 04:23:26,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:23:26,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:26,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:23:26,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:23:26,275 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 33 [2021-04-29 04:23:26,275 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 89 transitions, 838 flow. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 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) [2021-04-29 04:23:26,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:26,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 33 [2021-04-29 04:23:26,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:26,467 INFO L129 PetriNetUnfolder]: 375/651 cut-off events. [2021-04-29 04:23:26,467 INFO L130 PetriNetUnfolder]: For 5935/5985 co-relation queries the response was YES. [2021-04-29 04:23:26,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3978 conditions, 651 events. 375/651 cut-off events. For 5935/5985 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3004 event pairs, 72 based on Foata normal form. 60/710 useless extension candidates. Maximal degree in co-relation 3794. Up to 255 conditions per place. [2021-04-29 04:23:26,480 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 70 selfloop transitions, 40 changer transitions 0/117 dead transitions. [2021-04-29 04:23:26,480 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 117 transitions, 1463 flow [2021-04-29 04:23:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:23:26,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:23:26,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 154 transitions. [2021-04-29 04:23:26,481 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-04-29 04:23:26,481 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 154 transitions. [2021-04-29 04:23:26,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 154 transitions. [2021-04-29 04:23:26,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:26,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 154 transitions. [2021-04-29 04:23:26,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:26,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 33.0) internal successors, (264), 8 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:26,484 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 33.0) internal successors, (264), 8 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:26,484 INFO L185 Difference]: Start difference. First operand has 83 places, 89 transitions, 838 flow. Second operand 7 states and 154 transitions. [2021-04-29 04:23:26,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 117 transitions, 1463 flow [2021-04-29 04:23:26,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 117 transitions, 1379 flow, removed 38 selfloop flow, removed 2 redundant places. [2021-04-29 04:23:26,511 INFO L241 Difference]: Finished difference. Result has 90 places, 99 transitions, 1071 flow [2021-04-29 04:23:26,512 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1071, PETRI_PLACES=90, PETRI_TRANSITIONS=99} [2021-04-29 04:23:26,512 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 62 predicate places. [2021-04-29 04:23:26,512 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:26,512 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 99 transitions, 1071 flow [2021-04-29 04:23:26,513 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 99 transitions, 1071 flow [2021-04-29 04:23:26,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 99 transitions, 1071 flow [2021-04-29 04:23:26,577 INFO L129 PetriNetUnfolder]: 192/454 cut-off events. [2021-04-29 04:23:26,577 INFO L130 PetriNetUnfolder]: For 3739/3805 co-relation queries the response was YES. [2021-04-29 04:23:26,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2513 conditions, 454 events. 192/454 cut-off events. For 3739/3805 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 2710 event pairs, 72 based on Foata normal form. 4/414 useless extension candidates. Maximal degree in co-relation 2307. Up to 191 conditions per place. [2021-04-29 04:23:26,589 INFO L146 LiptonReduction]: Number of co-enabled transitions 404 [2021-04-29 04:23:26,613 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:26,613 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:26,614 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 102 [2021-04-29 04:23:26,614 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 99 transitions, 1071 flow [2021-04-29 04:23:26,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 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) [2021-04-29 04:23:26,614 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:26,615 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:26,827 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-04-29 04:23:26,828 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:26,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:26,829 INFO L82 PathProgramCache]: Analyzing trace with hash 765919846, now seen corresponding path program 8 times [2021-04-29 04:23:26,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:26,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773380633] [2021-04-29 04:23:26,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:26,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:26,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:26,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,858 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:23:26,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773380633] [2021-04-29 04:23:26,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100206639] [2021-04-29 04:23:26,858 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 [2021-04-29 04:23:26,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:23:26,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:23:26,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:23:26,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:26,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:26,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:26,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:26,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:26,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:26,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:26,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:26,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:26,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:26,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:26,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:26,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:26,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:26,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:26,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:26,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:26,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,910 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-04-29 04:23:26,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:26,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:26,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:26,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:26,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:26,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:26,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:26,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:26,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:26,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:26,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:26,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:26,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:26,924 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 04:23:26,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:26,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:26,938 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:23:26,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:26,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-04-29 04:23:26,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688276804] [2021-04-29 04:23:26,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:23:26,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:26,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:23:26,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:23:26,940 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 33 [2021-04-29 04:23:26,940 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 99 transitions, 1071 flow. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 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) [2021-04-29 04:23:26,940 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:26,940 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 33 [2021-04-29 04:23:26,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:27,160 INFO L129 PetriNetUnfolder]: 454/837 cut-off events. [2021-04-29 04:23:27,160 INFO L130 PetriNetUnfolder]: For 10101/10149 co-relation queries the response was YES. [2021-04-29 04:23:27,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5669 conditions, 837 events. 454/837 cut-off events. For 10101/10149 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 4581 event pairs, 25 based on Foata normal form. 53/890 useless extension candidates. Maximal degree in co-relation 5412. Up to 329 conditions per place. [2021-04-29 04:23:27,177 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 132 selfloop transitions, 72 changer transitions 0/211 dead transitions. [2021-04-29 04:23:27,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 211 transitions, 2798 flow [2021-04-29 04:23:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:23:27,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:23:27,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 194 transitions. [2021-04-29 04:23:27,178 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6531986531986532 [2021-04-29 04:23:27,178 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 194 transitions. [2021-04-29 04:23:27,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 194 transitions. [2021-04-29 04:23:27,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:27,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 194 transitions. [2021-04-29 04:23:27,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 21.555555555555557) internal successors, (194), 9 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:27,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 33.0) internal successors, (330), 10 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:27,181 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 33.0) internal successors, (330), 10 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:27,181 INFO L185 Difference]: Start difference. First operand has 90 places, 99 transitions, 1071 flow. Second operand 9 states and 194 transitions. [2021-04-29 04:23:27,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 211 transitions, 2798 flow [2021-04-29 04:23:27,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 211 transitions, 2684 flow, removed 50 selfloop flow, removed 2 redundant places. [2021-04-29 04:23:27,218 INFO L241 Difference]: Finished difference. Result has 101 places, 151 transitions, 2020 flow [2021-04-29 04:23:27,218 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=1005, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2020, PETRI_PLACES=101, PETRI_TRANSITIONS=151} [2021-04-29 04:23:27,218 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 73 predicate places. [2021-04-29 04:23:27,218 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:27,218 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 151 transitions, 2020 flow [2021-04-29 04:23:27,219 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 151 transitions, 2020 flow [2021-04-29 04:23:27,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 151 transitions, 2020 flow [2021-04-29 04:23:27,310 INFO L129 PetriNetUnfolder]: 272/620 cut-off events. [2021-04-29 04:23:27,310 INFO L130 PetriNetUnfolder]: For 7298/7392 co-relation queries the response was YES. [2021-04-29 04:23:27,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4016 conditions, 620 events. 272/620 cut-off events. For 7298/7392 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 4035 event pairs, 58 based on Foata normal form. 12/584 useless extension candidates. Maximal degree in co-relation 3753. Up to 257 conditions per place. [2021-04-29 04:23:27,327 INFO L146 LiptonReduction]: Number of co-enabled transitions 564 [2021-04-29 04:23:27,368 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:27,369 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:27,369 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 151 [2021-04-29 04:23:27,369 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 151 transitions, 2020 flow [2021-04-29 04:23:27,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 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) [2021-04-29 04:23:27,370 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:27,370 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:27,583 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-04-29 04:23:27,584 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:27,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:27,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1345293450, now seen corresponding path program 9 times [2021-04-29 04:23:27,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:27,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306773387] [2021-04-29 04:23:27,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:27,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:27,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:27,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:27,614 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:23:27,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306773387] [2021-04-29 04:23:27,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19263765] [2021-04-29 04:23:27,614 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 [2021-04-29 04:23:27,660 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 04:23:27,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:23:27,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:23:27,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:27,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:27,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:27,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:27,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:27,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:27,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:27,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:27,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:27,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:27,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:27,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:27,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:27,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:27,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:27,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:27,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:27,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,684 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-04-29 04:23:27,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:27,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:27,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:27,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:27,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:27,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:27,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:27,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:27,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:27,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:27,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:27,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:27,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:27,702 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 04:23:27,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:27,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:27,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:27,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:27,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:27,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:27,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:27,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:27,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:27,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:27,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:27,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:27,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:27,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:27,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:27,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:27,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:27,711 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:23:27,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:27,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-04-29 04:23:27,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151435771] [2021-04-29 04:23:27,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:23:27,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:27,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:23:27,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:23:27,713 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 33 [2021-04-29 04:23:27,713 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 151 transitions, 2020 flow. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 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) [2021-04-29 04:23:27,713 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:27,713 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 33 [2021-04-29 04:23:27,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:28,077 INFO L129 PetriNetUnfolder]: 718/1363 cut-off events. [2021-04-29 04:23:28,078 INFO L130 PetriNetUnfolder]: For 22712/22760 co-relation queries the response was YES. [2021-04-29 04:23:28,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10711 conditions, 1363 events. 718/1363 cut-off events. For 22712/22760 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 8384 event pairs, 28 based on Foata normal form. 57/1420 useless extension candidates. Maximal degree in co-relation 10261. Up to 551 conditions per place. [2021-04-29 04:23:28,105 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 260 selfloop transitions, 156 changer transitions 8/431 dead transitions. [2021-04-29 04:23:28,105 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 431 transitions, 7663 flow [2021-04-29 04:23:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:23:28,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:23:28,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 194 transitions. [2021-04-29 04:23:28,107 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6531986531986532 [2021-04-29 04:23:28,107 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 194 transitions. [2021-04-29 04:23:28,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 194 transitions. [2021-04-29 04:23:28,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:28,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 194 transitions. [2021-04-29 04:23:28,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 21.555555555555557) internal successors, (194), 9 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:28,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 33.0) internal successors, (330), 10 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:28,109 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 33.0) internal successors, (330), 10 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:28,109 INFO L185 Difference]: Start difference. First operand has 101 places, 151 transitions, 2020 flow. Second operand 9 states and 194 transitions. [2021-04-29 04:23:28,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 431 transitions, 7663 flow [2021-04-29 04:23:28,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 431 transitions, 6968 flow, removed 342 selfloop flow, removed 1 redundant places. [2021-04-29 04:23:28,195 INFO L241 Difference]: Finished difference. Result has 112 places, 291 transitions, 4712 flow [2021-04-29 04:23:28,195 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=1837, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4712, PETRI_PLACES=112, PETRI_TRANSITIONS=291} [2021-04-29 04:23:28,195 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 84 predicate places. [2021-04-29 04:23:28,195 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:28,196 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 291 transitions, 4712 flow [2021-04-29 04:23:28,196 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 291 transitions, 4712 flow [2021-04-29 04:23:28,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 291 transitions, 4712 flow [2021-04-29 04:23:28,419 INFO L129 PetriNetUnfolder]: 578/1240 cut-off events. [2021-04-29 04:23:28,419 INFO L130 PetriNetUnfolder]: For 19449/19561 co-relation queries the response was YES. [2021-04-29 04:23:28,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8790 conditions, 1240 events. 578/1240 cut-off events. For 19449/19561 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 8540 event pairs, 57 based on Foata normal form. 27/1247 useless extension candidates. Maximal degree in co-relation 8295. Up to 481 conditions per place. [2021-04-29 04:23:28,452 INFO L146 LiptonReduction]: Number of co-enabled transitions 464 [2021-04-29 04:23:28,490 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:28,490 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:28,490 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 295 [2021-04-29 04:23:28,491 INFO L480 AbstractCegarLoop]: Abstraction has has 112 places, 291 transitions, 4712 flow [2021-04-29 04:23:28,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 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) [2021-04-29 04:23:28,491 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:28,491 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:28,704 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-04-29 04:23:28,705 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:28,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:28,705 INFO L82 PathProgramCache]: Analyzing trace with hash -2064479477, now seen corresponding path program 10 times [2021-04-29 04:23:28,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:28,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565244873] [2021-04-29 04:23:28,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:28,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:28,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:28,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:28,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:28,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,733 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:23:28,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565244873] [2021-04-29 04:23:28,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645028348] [2021-04-29 04:23:28,733 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) [2021-04-29 04:23:28,761 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:23:28,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:23:28,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:23:28,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:28,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:28,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,764 WARN L159 QuantifierPusher]: Ignoring assumption. Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:28,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:28,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:28,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:28,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:28,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:28,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:28,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:28,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:28,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:28,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:28,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:28,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:28,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:28,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:28,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:28,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:28,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:28,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:28,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:28,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:28,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:28,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:28,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:28,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:28,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:28,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:28,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:28,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:28,786 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-04-29 04:23:28,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:28,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:28,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:28,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:28,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:28,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:28,790 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 04:23:28,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:28,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:28,804 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:23:28,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:28,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-04-29 04:23:28,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365872176] [2021-04-29 04:23:28,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 04:23:28,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:28,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 04:23:28,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-29 04:23:28,806 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 33 [2021-04-29 04:23:28,806 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 291 transitions, 4712 flow. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:28,807 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:28,807 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 33 [2021-04-29 04:23:28,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:29,233 INFO L129 PetriNetUnfolder]: 671/1393 cut-off events. [2021-04-29 04:23:29,233 INFO L130 PetriNetUnfolder]: For 23263/23336 co-relation queries the response was YES. [2021-04-29 04:23:29,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10764 conditions, 1393 events. 671/1393 cut-off events. For 23263/23336 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 9474 event pairs, 29 based on Foata normal form. 69/1462 useless extension candidates. Maximal degree in co-relation 10247. Up to 515 conditions per place. [2021-04-29 04:23:29,265 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 229 selfloop transitions, 98 changer transitions 1/335 dead transitions. [2021-04-29 04:23:29,266 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 335 transitions, 5988 flow [2021-04-29 04:23:29,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:23:29,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:23:29,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 171 transitions. [2021-04-29 04:23:29,267 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6477272727272727 [2021-04-29 04:23:29,267 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 171 transitions. [2021-04-29 04:23:29,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 171 transitions. [2021-04-29 04:23:29,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:29,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 171 transitions. [2021-04-29 04:23:29,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 21.375) internal successors, (171), 8 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:29,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 33.0) internal successors, (297), 9 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:29,269 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 33.0) internal successors, (297), 9 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:29,270 INFO L185 Difference]: Start difference. First operand has 112 places, 291 transitions, 4712 flow. Second operand 8 states and 171 transitions. [2021-04-29 04:23:29,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 335 transitions, 5988 flow [2021-04-29 04:23:29,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 335 transitions, 5657 flow, removed 161 selfloop flow, removed 1 redundant places. [2021-04-29 04:23:29,401 INFO L241 Difference]: Finished difference. Result has 120 places, 290 transitions, 4671 flow [2021-04-29 04:23:29,402 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=3978, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4671, PETRI_PLACES=120, PETRI_TRANSITIONS=290} [2021-04-29 04:23:29,402 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 92 predicate places. [2021-04-29 04:23:29,402 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:29,402 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 290 transitions, 4671 flow [2021-04-29 04:23:29,403 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 290 transitions, 4671 flow [2021-04-29 04:23:29,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 290 transitions, 4671 flow [2021-04-29 04:23:29,614 INFO L129 PetriNetUnfolder]: 556/1224 cut-off events. [2021-04-29 04:23:29,614 INFO L130 PetriNetUnfolder]: For 18906/19073 co-relation queries the response was YES. [2021-04-29 04:23:29,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8608 conditions, 1224 events. 556/1224 cut-off events. For 18906/19073 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 8641 event pairs, 55 based on Foata normal form. 58/1253 useless extension candidates. Maximal degree in co-relation 8119. Up to 485 conditions per place. [2021-04-29 04:23:29,645 INFO L146 LiptonReduction]: Number of co-enabled transitions 524 [2021-04-29 04:23:29,684 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:29,684 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:29,684 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 282 [2021-04-29 04:23:29,685 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 290 transitions, 4671 flow [2021-04-29 04:23:29,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:29,685 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:29,685 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:29,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-04-29 04:23:29,900 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:29,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:29,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1449079946, now seen corresponding path program 11 times [2021-04-29 04:23:29,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:29,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747236640] [2021-04-29 04:23:29,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:29,916 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:23:29,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:29,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:29,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:29,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:29,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:23:29,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747236640] [2021-04-29 04:23:29,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447170938] [2021-04-29 04:23:29,933 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 [2021-04-29 04:23:29,966 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 04:23:29,966 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:23:29,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:23:29,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:29,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:29,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:29,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:29,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:29,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:29,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:29,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:29,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:29,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:29,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:29,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:29,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:29,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:29,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:29,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:29,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:29,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:29,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:29,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:29,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:29,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:29,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:29,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:29,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:29,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:29,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:29,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:29,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:29,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:30,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:30,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:30,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:30,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:30,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:30,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:30,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:30,008 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 04:23:30,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:30,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:30,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:30,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:30,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:30,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:30,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:30,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:30,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:30,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:30,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:30,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:30,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:30,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:30,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:30,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:30,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:30,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:23:30,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:30,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-04-29 04:23:30,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299934218] [2021-04-29 04:23:30,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 04:23:30,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:30,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 04:23:30,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-29 04:23:30,018 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 33 [2021-04-29 04:23:30,018 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 290 transitions, 4671 flow. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:30,018 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:30,018 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 33 [2021-04-29 04:23:30,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:30,626 INFO L129 PetriNetUnfolder]: 1004/2187 cut-off events. [2021-04-29 04:23:30,626 INFO L130 PetriNetUnfolder]: For 39819/39892 co-relation queries the response was YES. [2021-04-29 04:23:30,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17809 conditions, 2187 events. 1004/2187 cut-off events. For 39819/39892 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 16690 event pairs, 75 based on Foata normal form. 106/2293 useless extension candidates. Maximal degree in co-relation 16897. Up to 817 conditions per place. [2021-04-29 04:23:30,667 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 411 selfloop transitions, 58 changer transitions 7/483 dead transitions. [2021-04-29 04:23:30,667 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 483 transitions, 9634 flow [2021-04-29 04:23:30,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 04:23:30,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 04:23:30,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 122 transitions. [2021-04-29 04:23:30,668 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6161616161616161 [2021-04-29 04:23:30,668 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 122 transitions. [2021-04-29 04:23:30,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 122 transitions. [2021-04-29 04:23:30,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:30,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 122 transitions. [2021-04-29 04:23:30,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:30,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:30,670 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:30,670 INFO L185 Difference]: Start difference. First operand has 120 places, 290 transitions, 4671 flow. Second operand 6 states and 122 transitions. [2021-04-29 04:23:30,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 483 transitions, 9634 flow [2021-04-29 04:23:30,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 483 transitions, 9254 flow, removed 181 selfloop flow, removed 2 redundant places. [2021-04-29 04:23:30,874 INFO L241 Difference]: Finished difference. Result has 125 places, 311 transitions, 5158 flow [2021-04-29 04:23:30,874 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=4469, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5158, PETRI_PLACES=125, PETRI_TRANSITIONS=311} [2021-04-29 04:23:30,875 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 97 predicate places. [2021-04-29 04:23:30,875 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:30,875 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 311 transitions, 5158 flow [2021-04-29 04:23:30,875 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 311 transitions, 5158 flow [2021-04-29 04:23:30,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 311 transitions, 5158 flow [2021-04-29 04:23:31,179 INFO L129 PetriNetUnfolder]: 860/1941 cut-off events. [2021-04-29 04:23:31,180 INFO L130 PetriNetUnfolder]: For 34873/35019 co-relation queries the response was YES. [2021-04-29 04:23:31,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14811 conditions, 1941 events. 860/1941 cut-off events. For 34873/35019 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 15200 event pairs, 87 based on Foata normal form. 53/1948 useless extension candidates. Maximal degree in co-relation 13993. Up to 726 conditions per place. [2021-04-29 04:23:31,227 INFO L146 LiptonReduction]: Number of co-enabled transitions 584 [2021-04-29 04:23:31,273 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:31,273 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:31,273 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 398 [2021-04-29 04:23:31,274 INFO L480 AbstractCegarLoop]: Abstraction has has 125 places, 311 transitions, 5158 flow [2021-04-29 04:23:31,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:31,274 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:31,275 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:31,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:31,488 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:31,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:31,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1488211900, now seen corresponding path program 12 times [2021-04-29 04:23:31,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:31,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375306733] [2021-04-29 04:23:31,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:31,506 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:23:31,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:31,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:31,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:31,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:31,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:31,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:31,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375306733] [2021-04-29 04:23:31,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44728218] [2021-04-29 04:23:31,531 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) [2021-04-29 04:23:31,560 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 04:23:31,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:23:31,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:23:31,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:31,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:31,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:31,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:31,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:31,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:31,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:31,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:31,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:31,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:31,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:31,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:31,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:31,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:31,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:31,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:31,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:31,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:31,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:31,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:31,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:31,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:31,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:31,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:31,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:31,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:31,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:31,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:31,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:31,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:31,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:31,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:31,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:31,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:31,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:31,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:31,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:31,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:31,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:31,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:31,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:31,632 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:23:31,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:31,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-04-29 04:23:31,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102409403] [2021-04-29 04:23:31,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:23:31,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:31,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:23:31,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:23:31,634 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 33 [2021-04-29 04:23:31,635 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 311 transitions, 5158 flow. Second operand has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:31,635 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:31,635 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 33 [2021-04-29 04:23:31,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:32,815 INFO L129 PetriNetUnfolder]: 1485/3364 cut-off events. [2021-04-29 04:23:32,815 INFO L130 PetriNetUnfolder]: For 70154/70173 co-relation queries the response was YES. [2021-04-29 04:23:32,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29430 conditions, 3364 events. 1485/3364 cut-off events. For 70154/70173 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 28689 event pairs, 65 based on Foata normal form. 181/3545 useless extension candidates. Maximal degree in co-relation 28003. Up to 1315 conditions per place. [2021-04-29 04:23:32,862 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 344 selfloop transitions, 461 changer transitions 26/838 dead transitions. [2021-04-29 04:23:32,863 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 838 transitions, 17817 flow [2021-04-29 04:23:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 04:23:32,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 04:23:32,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 472 transitions. [2021-04-29 04:23:32,866 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.650137741046832 [2021-04-29 04:23:32,866 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 472 transitions. [2021-04-29 04:23:32,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 472 transitions. [2021-04-29 04:23:32,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:32,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 472 transitions. [2021-04-29 04:23:32,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 21.454545454545453) internal successors, (472), 22 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:32,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 33.0) internal successors, (759), 23 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:32,870 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 33.0) internal successors, (759), 23 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:32,871 INFO L185 Difference]: Start difference. First operand has 125 places, 311 transitions, 5158 flow. Second operand 22 states and 472 transitions. [2021-04-29 04:23:32,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 838 transitions, 17817 flow [2021-04-29 04:23:33,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 838 transitions, 17447 flow, removed 151 selfloop flow, removed 4 redundant places. [2021-04-29 04:23:33,161 INFO L241 Difference]: Finished difference. Result has 156 places, 599 transitions, 13218 flow [2021-04-29 04:23:33,162 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=5052, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=198, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=13218, PETRI_PLACES=156, PETRI_TRANSITIONS=599} [2021-04-29 04:23:33,162 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 128 predicate places. [2021-04-29 04:23:33,162 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:33,162 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 599 transitions, 13218 flow [2021-04-29 04:23:33,162 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 156 places, 599 transitions, 13218 flow [2021-04-29 04:23:33,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 156 places, 599 transitions, 13218 flow [2021-04-29 04:23:33,943 INFO L129 PetriNetUnfolder]: 1340/3127 cut-off events. [2021-04-29 04:23:33,943 INFO L130 PetriNetUnfolder]: For 88964/89241 co-relation queries the response was YES. [2021-04-29 04:23:33,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29769 conditions, 3127 events. 1340/3127 cut-off events. For 88964/89241 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 27449 event pairs, 125 based on Foata normal form. 52/3133 useless extension candidates. Maximal degree in co-relation 28362. Up to 1211 conditions per place. [2021-04-29 04:23:33,993 INFO L146 LiptonReduction]: Number of co-enabled transitions 740 [2021-04-29 04:23:34,092 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:34,092 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:34,092 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 930 [2021-04-29 04:23:34,093 INFO L480 AbstractCegarLoop]: Abstraction has has 156 places, 599 transitions, 13218 flow [2021-04-29 04:23:34,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:34,093 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:34,093 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:34,306 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:34,307 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:34,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:34,307 INFO L82 PathProgramCache]: Analyzing trace with hash 722133938, now seen corresponding path program 13 times [2021-04-29 04:23:34,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:34,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582599183] [2021-04-29 04:23:34,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:34,337 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:23:34,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:34,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:34,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:34,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:34,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582599183] [2021-04-29 04:23:34,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902279960] [2021-04-29 04:23:34,365 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-04-29 04:23:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:34,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:23:34,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:34,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:34,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:34,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:34,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:34,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:34,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:34,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:34,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:34,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:34,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:34,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:34,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:34,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:34,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:34,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:34,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:34,431 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-04-29 04:23:34,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:34,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:34,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:34,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:34,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:34,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:34,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:34,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:34,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:34,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:34,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:34,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:34,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:34,452 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 04:23:34,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:34,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:34,462 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:34,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:34,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-04-29 04:23:34,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022354105] [2021-04-29 04:23:34,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:23:34,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:34,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:23:34,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:23:34,464 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 33 [2021-04-29 04:23:34,465 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 599 transitions, 13218 flow. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 7 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:34,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:34,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 33 [2021-04-29 04:23:34,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:36,800 INFO L129 PetriNetUnfolder]: 2396/5258 cut-off events. [2021-04-29 04:23:36,800 INFO L130 PetriNetUnfolder]: For 167758/167803 co-relation queries the response was YES. [2021-04-29 04:23:36,829 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55950 conditions, 5258 events. 2396/5258 cut-off events. For 167758/167803 co-relation queries the response was YES. Maximal size of possible extension queue 536. Compared 47149 event pairs, 81 based on Foata normal form. 98/5356 useless extension candidates. Maximal degree in co-relation 53734. Up to 2114 conditions per place. [2021-04-29 04:23:36,870 INFO L132 encePairwiseOnDemand]: 27/33 looper letters, 996 selfloop transitions, 256 changer transitions 6/1265 dead transitions. [2021-04-29 04:23:36,870 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 1265 transitions, 31078 flow [2021-04-29 04:23:36,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:23:36,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:23:36,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 184 transitions. [2021-04-29 04:23:36,871 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6195286195286195 [2021-04-29 04:23:36,871 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 184 transitions. [2021-04-29 04:23:36,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 184 transitions. [2021-04-29 04:23:36,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:36,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 184 transitions. [2021-04-29 04:23:36,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 20.444444444444443) internal successors, (184), 9 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:36,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 33.0) internal successors, (330), 10 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:36,874 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 33.0) internal successors, (330), 10 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:36,874 INFO L185 Difference]: Start difference. First operand has 156 places, 599 transitions, 13218 flow. Second operand 9 states and 184 transitions. [2021-04-29 04:23:36,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 1265 transitions, 31078 flow [2021-04-29 04:23:37,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 1265 transitions, 27203 flow, removed 1923 selfloop flow, removed 5 redundant places. [2021-04-29 04:23:37,682 INFO L241 Difference]: Finished difference. Result has 164 places, 846 transitions, 17332 flow [2021-04-29 04:23:37,683 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=10905, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=17332, PETRI_PLACES=164, PETRI_TRANSITIONS=846} [2021-04-29 04:23:37,683 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 136 predicate places. [2021-04-29 04:23:37,683 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:37,684 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 846 transitions, 17332 flow [2021-04-29 04:23:37,684 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 846 transitions, 17332 flow [2021-04-29 04:23:37,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 164 places, 846 transitions, 17332 flow [2021-04-29 04:23:39,042 INFO L129 PetriNetUnfolder]: 2340/5266 cut-off events. [2021-04-29 04:23:39,042 INFO L130 PetriNetUnfolder]: For 167552/167713 co-relation queries the response was YES. [2021-04-29 04:23:39,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51076 conditions, 5266 events. 2340/5266 cut-off events. For 167552/167713 co-relation queries the response was YES. Maximal size of possible extension queue 553. Compared 48530 event pairs, 190 based on Foata normal form. 26/5267 useless extension candidates. Maximal degree in co-relation 48781. Up to 1839 conditions per place. [2021-04-29 04:23:39,143 INFO L146 LiptonReduction]: Number of co-enabled transitions 838 [2021-04-29 04:23:39,288 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:39,288 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:39,288 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1605 [2021-04-29 04:23:39,288 INFO L480 AbstractCegarLoop]: Abstraction has has 164 places, 846 transitions, 17332 flow [2021-04-29 04:23:39,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 7 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:39,289 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:39,289 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:39,490 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:39,490 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:39,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:39,491 INFO L82 PathProgramCache]: Analyzing trace with hash 2086068628, now seen corresponding path program 14 times [2021-04-29 04:23:39,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:39,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196622548] [2021-04-29 04:23:39,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:39,507 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:23:39,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:39,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:39,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:39,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:39,600 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:39,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196622548] [2021-04-29 04:23:39,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086611708] [2021-04-29 04:23:39,601 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 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 [2021-04-29 04:23:39,627 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:23:39,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:23:39,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:23:39,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:39,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:39,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:39,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:39,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:39,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:39,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:39,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:39,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:39,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:39,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:39,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:39,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:39,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:39,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:39,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:39,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:39,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:39,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:39,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:39,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:39,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:39,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:39,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:39,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:39,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:39,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:39,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:39,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:39,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:39,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:39,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:39,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:39,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:39,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:39,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:39,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:39,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:39,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:39,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:39,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:39,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:39,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:39,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:39,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:39,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:39,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:39,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:39,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:39,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:39,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:39,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:39,696 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:39,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:39,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-04-29 04:23:39,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145074336] [2021-04-29 04:23:39,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:23:39,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:39,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:23:39,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:23:39,699 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 33 [2021-04-29 04:23:39,699 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 846 transitions, 17332 flow. Second operand has 9 states, 9 states have (on average 17.77777777777778) internal successors, (160), 9 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:39,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:39,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 33 [2021-04-29 04:23:39,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:43,545 INFO L129 PetriNetUnfolder]: 3214/7549 cut-off events. [2021-04-29 04:23:43,545 INFO L130 PetriNetUnfolder]: For 250647/250708 co-relation queries the response was YES. [2021-04-29 04:23:43,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80209 conditions, 7549 events. 3214/7549 cut-off events. For 250647/250708 co-relation queries the response was YES. Maximal size of possible extension queue 745. Compared 74918 event pairs, 196 based on Foata normal form. 253/7802 useless extension candidates. Maximal degree in co-relation 76453. Up to 2724 conditions per place. [2021-04-29 04:23:43,643 INFO L132 encePairwiseOnDemand]: 27/33 looper letters, 951 selfloop transitions, 1266 changer transitions 23/2247 dead transitions. [2021-04-29 04:23:43,644 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 2247 transitions, 54240 flow [2021-04-29 04:23:43,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 04:23:43,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 04:23:43,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 388 transitions. [2021-04-29 04:23:43,645 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6531986531986532 [2021-04-29 04:23:43,645 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 388 transitions. [2021-04-29 04:23:43,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 388 transitions. [2021-04-29 04:23:43,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:43,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 388 transitions. [2021-04-29 04:23:43,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 21.555555555555557) internal successors, (388), 18 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:43,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 33.0) internal successors, (627), 19 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:43,649 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 33.0) internal successors, (627), 19 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:43,649 INFO L185 Difference]: Start difference. First operand has 164 places, 846 transitions, 17332 flow. Second operand 18 states and 388 transitions. [2021-04-29 04:23:43,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 2247 transitions, 54240 flow [2021-04-29 04:23:44,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 2247 transitions, 53108 flow, removed 564 selfloop flow, removed 1 redundant places. [2021-04-29 04:23:44,977 INFO L241 Difference]: Finished difference. Result has 195 places, 1726 transitions, 43026 flow [2021-04-29 04:23:44,978 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=16872, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=846, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=506, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=43026, PETRI_PLACES=195, PETRI_TRANSITIONS=1726} [2021-04-29 04:23:44,978 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 167 predicate places. [2021-04-29 04:23:44,978 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:44,978 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 195 places, 1726 transitions, 43026 flow [2021-04-29 04:23:44,978 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 195 places, 1726 transitions, 43026 flow [2021-04-29 04:23:44,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 195 places, 1726 transitions, 43026 flow [2021-04-29 04:23:47,753 INFO L129 PetriNetUnfolder]: 3156/7572 cut-off events. [2021-04-29 04:23:47,754 INFO L130 PetriNetUnfolder]: For 304706/304875 co-relation queries the response was YES. [2021-04-29 04:23:47,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81196 conditions, 7572 events. 3156/7572 cut-off events. For 304706/304875 co-relation queries the response was YES. Maximal size of possible extension queue 762. Compared 77209 event pairs, 253 based on Foata normal form. 19/7558 useless extension candidates. Maximal degree in co-relation 77326. Up to 2695 conditions per place. [2021-04-29 04:23:47,934 INFO L146 LiptonReduction]: Number of co-enabled transitions 1222 [2021-04-29 04:23:48,467 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:48,467 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:48,467 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3489 [2021-04-29 04:23:48,468 INFO L480 AbstractCegarLoop]: Abstraction has has 195 places, 1726 transitions, 43026 flow [2021-04-29 04:23:48,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.77777777777778) internal successors, (160), 9 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:48,468 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:48,468 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:48,682 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-04-29 04:23:48,683 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:48,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:48,684 INFO L82 PathProgramCache]: Analyzing trace with hash -309196544, now seen corresponding path program 15 times [2021-04-29 04:23:48,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:48,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40577485] [2021-04-29 04:23:48,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:48,710 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-04-29 04:23:48,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:48,725 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 04:23:48,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:48,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:48,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:48,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:48,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:48,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:48,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:48,746 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:23:48,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40577485] [2021-04-29 04:23:48,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881949895] [2021-04-29 04:23:48,746 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 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 [2021-04-29 04:23:48,781 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 04:23:48,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:23:48,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:23:49,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:49,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:49,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:49,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:49,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:49,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:49,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:49,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:49,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:49,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:49,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:49,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:49,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:49,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:49,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:49,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:49,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:49,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:23:49,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:49,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,079 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-04-29 04:23:49,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:49,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:49,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:49,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:23:49,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:49,092 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 04:23:49,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:49,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:49,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:49,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:49,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:49,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:49,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:49,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:49,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:49,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:49,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:49,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:49,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:49,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:49,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:49,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:49,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:49,104 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:23:49,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:49,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 6 [2021-04-29 04:23:49,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121114057] [2021-04-29 04:23:49,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:23:49,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:49,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:23:49,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:23:49,105 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 33 [2021-04-29 04:23:49,106 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 1726 transitions, 43026 flow. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:49,106 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:49,106 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 33 [2021-04-29 04:23:49,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:58,977 INFO L129 PetriNetUnfolder]: 4487/10438 cut-off events. [2021-04-29 04:23:58,977 INFO L130 PetriNetUnfolder]: For 439739/439800 co-relation queries the response was YES. [2021-04-29 04:23:59,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123360 conditions, 10438 events. 4487/10438 cut-off events. For 439739/439800 co-relation queries the response was YES. Maximal size of possible extension queue 1003. Compared 108056 event pairs, 186 based on Foata normal form. 130/10568 useless extension candidates. Maximal degree in co-relation 117897. Up to 3885 conditions per place. [2021-04-29 04:23:59,130 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 2159 selfloop transitions, 723 changer transitions 15/2903 dead transitions. [2021-04-29 04:23:59,130 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 2903 transitions, 79469 flow [2021-04-29 04:23:59,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:23:59,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:23:59,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 199 transitions. [2021-04-29 04:23:59,132 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.603030303030303 [2021-04-29 04:23:59,132 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 199 transitions. [2021-04-29 04:23:59,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 199 transitions. [2021-04-29 04:23:59,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:59,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 199 transitions. [2021-04-29 04:23:59,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 19.9) internal successors, (199), 10 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) [2021-04-29 04:23:59,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 33.0) internal successors, (363), 11 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:59,134 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 33.0) internal successors, (363), 11 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:59,134 INFO L185 Difference]: Start difference. First operand has 195 places, 1726 transitions, 43026 flow. Second operand 10 states and 199 transitions. [2021-04-29 04:23:59,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 2903 transitions, 79469 flow [2021-04-29 04:24:01,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 2903 transitions, 71202 flow, removed 4095 selfloop flow, removed 2 redundant places. [2021-04-29 04:24:02,053 INFO L241 Difference]: Finished difference. Result has 207 places, 2177 transitions, 51920 flow [2021-04-29 04:24:02,054 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=38469, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1718, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=262, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=51920, PETRI_PLACES=207, PETRI_TRANSITIONS=2177} [2021-04-29 04:24:02,055 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 179 predicate places. [2021-04-29 04:24:02,055 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:24:02,055 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 2177 transitions, 51920 flow [2021-04-29 04:24:02,055 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 2177 transitions, 51920 flow [2021-04-29 04:24:02,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 2177 transitions, 51920 flow [2021-04-29 04:24:06,376 INFO L129 PetriNetUnfolder]: 4418/10570 cut-off events. [2021-04-29 04:24:06,376 INFO L130 PetriNetUnfolder]: For 422047/422309 co-relation queries the response was YES. [2021-04-29 04:24:06,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111634 conditions, 10570 events. 4418/10570 cut-off events. For 422047/422309 co-relation queries the response was YES. Maximal size of possible extension queue 1055. Compared 112778 event pairs, 325 based on Foata normal form. 34/10571 useless extension candidates. Maximal degree in co-relation 106388. Up to 3563 conditions per place. [2021-04-29 04:24:06,746 INFO L146 LiptonReduction]: Number of co-enabled transitions 1238 [2021-04-29 04:24:07,468 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:24:07,468 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:24:07,469 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5414 [2021-04-29 04:24:07,469 INFO L480 AbstractCegarLoop]: Abstraction has has 207 places, 2177 transitions, 51920 flow [2021-04-29 04:24:07,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:07,469 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:24:07,470 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:24:07,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-04-29 04:24:07,670 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:24:07,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:24:07,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1787526299, now seen corresponding path program 16 times [2021-04-29 04:24:07,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:24:07,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707317842] [2021-04-29 04:24:07,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:24:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:24:07,686 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:24:07,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:07,693 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 04:24:07,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:07,699 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 04:24:07,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:07,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,710 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:24:07,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707317842] [2021-04-29 04:24:07,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707462505] [2021-04-29 04:24:07,711 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 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 [2021-04-29 04:24:07,736 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:24:07,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:24:07,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:24:07,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:24:07,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:07,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:07,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:07,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:24:07,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:07,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:07,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:24:07,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:07,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:07,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:24:07,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:07,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:07,769 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-04-29 04:24:07,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:07,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:07,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:07,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:24:07,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:07,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:07,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:07,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:24:07,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:24:07,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:07,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:24:07,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:24:07,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:07,798 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 04:24:07,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:07,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:07,807 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:24:07,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:24:07,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-04-29 04:24:07,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832327071] [2021-04-29 04:24:07,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:24:07,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:24:07,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:24:07,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:24:07,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 33 [2021-04-29 04:24:07,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 2177 transitions, 51920 flow. Second operand has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 9 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:07,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:24:07,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 33 [2021-04-29 04:24:07,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:24:24,001 INFO L129 PetriNetUnfolder]: 6161/15742 cut-off events. [2021-04-29 04:24:24,001 INFO L130 PetriNetUnfolder]: For 680226/680299 co-relation queries the response was YES. [2021-04-29 04:24:24,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 176125 conditions, 15742 events. 6161/15742 cut-off events. For 680226/680299 co-relation queries the response was YES. Maximal size of possible extension queue 1530. Compared 185710 event pairs, 152 based on Foata normal form. 339/16081 useless extension candidates. Maximal degree in co-relation 166603. Up to 5376 conditions per place. [2021-04-29 04:24:24,219 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 2155 selfloop transitions, 1084 changer transitions 17/3262 dead transitions. [2021-04-29 04:24:24,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 3262 transitions, 86338 flow [2021-04-29 04:24:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 04:24:24,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 04:24:24,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 217 transitions. [2021-04-29 04:24:24,221 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5977961432506887 [2021-04-29 04:24:24,221 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 217 transitions. [2021-04-29 04:24:24,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 217 transitions. [2021-04-29 04:24:24,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:24:24,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 217 transitions. [2021-04-29 04:24:24,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 19.727272727272727) internal successors, (217), 11 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:24,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 33.0) internal successors, (396), 12 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:24,225 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 33.0) internal successors, (396), 12 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:24,225 INFO L185 Difference]: Start difference. First operand has 207 places, 2177 transitions, 51920 flow. Second operand 11 states and 217 transitions. [2021-04-29 04:24:24,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 3262 transitions, 86338 flow [2021-04-29 04:24:29,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 3262 transitions, 85564 flow, removed 377 selfloop flow, removed 2 redundant places. [2021-04-29 04:24:29,526 INFO L241 Difference]: Finished difference. Result has 223 places, 2720 transitions, 70827 flow [2021-04-29 04:24:29,529 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=50969, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=549, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=70827, PETRI_PLACES=223, PETRI_TRANSITIONS=2720} [2021-04-29 04:24:29,529 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 195 predicate places. [2021-04-29 04:24:29,529 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:24:29,529 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 2720 transitions, 70827 flow [2021-04-29 04:24:29,529 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 2720 transitions, 70827 flow [2021-04-29 04:24:29,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 223 places, 2720 transitions, 70827 flow [2021-04-29 04:24:37,535 INFO L129 PetriNetUnfolder]: 6072/15359 cut-off events. [2021-04-29 04:24:37,535 INFO L130 PetriNetUnfolder]: For 742267/742636 co-relation queries the response was YES. [2021-04-29 04:24:37,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171826 conditions, 15359 events. 6072/15359 cut-off events. For 742267/742636 co-relation queries the response was YES. Maximal size of possible extension queue 1549. Compared 180543 event pairs, 502 based on Foata normal form. 55/15369 useless extension candidates. Maximal degree in co-relation 170561. Up to 5318 conditions per place. [2021-04-29 04:24:37,835 INFO L146 LiptonReduction]: Number of co-enabled transitions 1574 [2021-04-29 04:24:39,133 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:24:39,133 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:24:39,133 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9604 [2021-04-29 04:24:39,134 INFO L480 AbstractCegarLoop]: Abstraction has has 223 places, 2720 transitions, 70827 flow [2021-04-29 04:24:39,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 9 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:39,134 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:24:39,134 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:24:39,341 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-04-29 04:24:39,342 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:24:39,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:24:39,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1038072218, now seen corresponding path program 17 times [2021-04-29 04:24:39,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:24:39,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785177061] [2021-04-29 04:24:39,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:24:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:24:39,362 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:24:39,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:39,367 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 04:24:39,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:39,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:39,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:39,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:39,383 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:24:39,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785177061] [2021-04-29 04:24:39,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470968734] [2021-04-29 04:24:39,384 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:24:39,410 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 04:24:39,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:24:39,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:24:39,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:24:39,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:39,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:39,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:39,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:24:39,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:39,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:39,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:39,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:39,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:39,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:39,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:39,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:39,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:39,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:39,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:39,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:39,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:24:39,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:39,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:39,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:24:39,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:39,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:39,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:39,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:39,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:39,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:39,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:39,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:39,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:39,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:39,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:39,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:39,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:39,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:39,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:39,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:24:39,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:24:39,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:39,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:24:39,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:24:39,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:39,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:39,468 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-04-29 04:24:39,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:39,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:39,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:39,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:24:39,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:39,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:39,473 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 04:24:39,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:39,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:39,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:39,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:39,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:39,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:39,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:39,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:39,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:39,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:39,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:39,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:39,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:39,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:39,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:39,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:39,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:24:39,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:24:39,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-04-29 04:24:39,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037794433] [2021-04-29 04:24:39,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:24:39,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:24:39,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:24:39,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:24:39,492 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 33 [2021-04-29 04:24:39,492 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 2720 transitions, 70827 flow. Second operand has 8 states, 8 states have (on average 15.875) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:39,492 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:24:39,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 33 [2021-04-29 04:24:39,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:25:02,372 INFO L129 PetriNetUnfolder]: 6659/16705 cut-off events. [2021-04-29 04:25:02,373 INFO L130 PetriNetUnfolder]: For 831762/831775 co-relation queries the response was YES. [2021-04-29 04:25:02,661 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200592 conditions, 16705 events. 6659/16705 cut-off events. For 831762/831775 co-relation queries the response was YES. Maximal size of possible extension queue 1686. Compared 197072 event pairs, 98 based on Foata normal form. 253/16958 useless extension candidates. Maximal degree in co-relation 198196. Up to 5980 conditions per place. [2021-04-29 04:25:02,752 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 2469 selfloop transitions, 1322 changer transitions 70/3867 dead transitions. [2021-04-29 04:25:02,753 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 3867 transitions, 109002 flow [2021-04-29 04:25:02,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 04:25:02,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 04:25:02,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 394 transitions. [2021-04-29 04:25:02,754 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5685425685425686 [2021-04-29 04:25:02,755 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 394 transitions. [2021-04-29 04:25:02,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 394 transitions. [2021-04-29 04:25:02,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:25:02,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 394 transitions. [2021-04-29 04:25:02,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 18.761904761904763) internal successors, (394), 21 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:25:02,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 33.0) internal successors, (726), 22 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:25:02,758 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 33.0) internal successors, (726), 22 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:25:02,758 INFO L185 Difference]: Start difference. First operand has 223 places, 2720 transitions, 70827 flow. Second operand 21 states and 394 transitions. [2021-04-29 04:25:02,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 3867 transitions, 109002 flow [2021-04-29 04:25:12,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 3867 transitions, 103873 flow, removed 2080 selfloop flow, removed 2 redundant places. [2021-04-29 04:25:12,519 INFO L241 Difference]: Finished difference. Result has 254 places, 3272 transitions, 86934 flow [2021-04-29 04:25:12,522 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=61178, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2466, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=528, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=86934, PETRI_PLACES=254, PETRI_TRANSITIONS=3272} [2021-04-29 04:25:12,522 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 226 predicate places. [2021-04-29 04:25:12,522 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:25:12,522 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 254 places, 3272 transitions, 86934 flow [2021-04-29 04:25:12,523 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 254 places, 3272 transitions, 86934 flow [2021-04-29 04:25:12,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 254 places, 3272 transitions, 86934 flow [2021-04-29 04:25:22,677 INFO L129 PetriNetUnfolder]: 6614/16434 cut-off events. [2021-04-29 04:25:22,678 INFO L130 PetriNetUnfolder]: For 808718/808785 co-relation queries the response was YES. [2021-04-29 04:25:22,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188782 conditions, 16434 events. 6614/16434 cut-off events. For 808718/808785 co-relation queries the response was YES. Maximal size of possible extension queue 1674. Compared 193384 event pairs, 412 based on Foata normal form. 23/16434 useless extension candidates. Maximal degree in co-relation 186713. Up to 5907 conditions per place. [2021-04-29 04:25:23,060 INFO L146 LiptonReduction]: Number of co-enabled transitions 1534 [2021-04-29 04:25:24,925 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:25:24,925 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:25:24,925 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12403 [2021-04-29 04:25:24,926 INFO L480 AbstractCegarLoop]: Abstraction has has 254 places, 3272 transitions, 86934 flow [2021-04-29 04:25:24,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 15.875) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:25:24,926 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:25:24,926 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:25:25,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-04-29 04:25:25,127 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:25:25,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:25:25,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1642807609, now seen corresponding path program 18 times [2021-04-29 04:25:25,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:25:25,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178865830] [2021-04-29 04:25:25,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:25:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:25:25,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:25,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:25:25,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:25:25,162 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:25:25,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178865830] [2021-04-29 04:25:25,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25749590] [2021-04-29 04:25:25,163 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:25:25,199 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-04-29 04:25:25,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:25:25,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:25:25,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:25:25,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:25,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:25:25,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:25,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:25:25,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:25:25,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:25:25,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:25:25,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:25:25,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:25:25,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:25:25,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:25:25,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:25:25,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:25:25,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:25:25,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:25:25,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:25:25,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:25:25,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:25:25,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:25:25,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:25,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:25:25,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:25:25,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:25,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:25:25,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:25,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:25:25,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:25:25,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:25:25,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:25:25,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:25:25,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:25:25,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:25:25,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:25:25,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:25:25,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:25:25,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:25:25,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:25:25,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:25:25,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:25:25,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:25:25,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:25,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:25:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:25:25,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:25:25,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-04-29 04:25:25,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116589026] [2021-04-29 04:25:25,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:25:25,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:25:25,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:25:25,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:25:25,271 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 33 [2021-04-29 04:25:25,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 3272 transitions, 86934 flow. Second operand has 9 states, 9 states have (on average 17.666666666666668) internal successors, (159), 9 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) [2021-04-29 04:25:25,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:25:25,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 33 [2021-04-29 04:25:25,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:26:02,554 INFO L129 PetriNetUnfolder]: 9399/24004 cut-off events. [2021-04-29 04:26:02,554 INFO L130 PetriNetUnfolder]: For 1249323/1249339 co-relation queries the response was YES. [2021-04-29 04:26:02,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 290602 conditions, 24004 events. 9399/24004 cut-off events. For 1249323/1249339 co-relation queries the response was YES. Maximal size of possible extension queue 2376. Compared 300569 event pairs, 151 based on Foata normal form. 519/24523 useless extension candidates. Maximal degree in co-relation 288881. Up to 8532 conditions per place. [2021-04-29 04:26:03,210 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 3205 selfloop transitions, 3011 changer transitions 86/6309 dead transitions. [2021-04-29 04:26:03,210 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 6309 transitions, 184553 flow [2021-04-29 04:26:03,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-04-29 04:26:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-04-29 04:26:03,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 596 transitions. [2021-04-29 04:26:03,212 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.645021645021645 [2021-04-29 04:26:03,212 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 596 transitions. [2021-04-29 04:26:03,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 596 transitions. [2021-04-29 04:26:03,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:26:03,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 596 transitions. [2021-04-29 04:26:03,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 21.285714285714285) internal successors, (596), 28 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:26:03,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 33.0) internal successors, (957), 29 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:26:03,216 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 33.0) internal successors, (957), 29 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:26:03,216 INFO L185 Difference]: Start difference. First operand has 254 places, 3272 transitions, 86934 flow. Second operand 28 states and 596 transitions. [2021-04-29 04:26:03,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 6309 transitions, 184553 flow [2021-04-29 04:26:21,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 6309 transitions, 177802 flow, removed 2831 selfloop flow, removed 5 redundant places. [2021-04-29 04:26:21,861 INFO L241 Difference]: Finished difference. Result has 298 places, 5193 transitions, 149029 flow [2021-04-29 04:26:21,864 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=83407, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1333, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=149029, PETRI_PLACES=298, PETRI_TRANSITIONS=5193} [2021-04-29 04:26:21,864 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 270 predicate places. [2021-04-29 04:26:21,864 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:26:21,864 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 5193 transitions, 149029 flow [2021-04-29 04:26:21,865 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 5193 transitions, 149029 flow [2021-04-29 04:26:21,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 298 places, 5193 transitions, 149029 flow [2021-04-29 04:26:45,340 INFO L129 PetriNetUnfolder]: 9330/23463 cut-off events. [2021-04-29 04:26:45,340 INFO L130 PetriNetUnfolder]: For 1424767/1424770 co-relation queries the response was YES. [2021-04-29 04:26:45,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 292032 conditions, 23463 events. 9330/23463 cut-off events. For 1424767/1424770 co-relation queries the response was YES. Maximal size of possible extension queue 2387. Compared 291619 event pairs, 490 based on Foata normal form. 3/23464 useless extension candidates. Maximal degree in co-relation 290467. Up to 8416 conditions per place. [2021-04-29 04:26:46,188 INFO L146 LiptonReduction]: Number of co-enabled transitions 3148 [2021-04-29 04:26:50,911 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:26:50,911 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:26:50,911 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29047 [2021-04-29 04:26:50,911 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 5193 transitions, 149029 flow [2021-04-29 04:26:50,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.666666666666668) internal successors, (159), 9 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) [2021-04-29 04:26:50,912 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:26:50,912 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:26:51,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-04-29 04:26:51,113 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:26:51,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:26:51,114 INFO L82 PathProgramCache]: Analyzing trace with hash -117592056, now seen corresponding path program 19 times [2021-04-29 04:26:51,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:26:51,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687074742] [2021-04-29 04:26:51,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:26:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:26:51,131 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 04:26:51,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:26:51,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:26:51,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,152 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:26:51,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687074742] [2021-04-29 04:26:51,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303689690] [2021-04-29 04:26:51,153 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:26:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:26:51,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:26:51,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:26:51,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:51,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:26:51,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:51,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:26:51,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:26:51,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:26:51,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:26:51,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:26:51,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:26:51,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:26:51,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:26:51,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:26:51,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:26:51,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:26:51,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:26:51,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:26:51,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:26:51,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:26:51,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,207 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-04-29 04:26:51,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:51,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:26:51,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:51,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:26:51,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:51,211 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 04:26:51,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:51,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:26:51,222 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:26:51,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:26:51,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-04-29 04:26:51,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950326110] [2021-04-29 04:26:51,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 04:26:51,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:26:51,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 04:26:51,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-29 04:26:51,224 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 33 [2021-04-29 04:26:51,224 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 5193 transitions, 149029 flow. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:26:51,224 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:26:51,224 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 33 [2021-04-29 04:26:51,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:28:27,732 INFO L129 PetriNetUnfolder]: 11469/28292 cut-off events. [2021-04-29 04:28:27,732 INFO L130 PetriNetUnfolder]: For 1720168/1720225 co-relation queries the response was YES. [2021-04-29 04:28:28,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 374998 conditions, 28292 events. 11469/28292 cut-off events. For 1720168/1720225 co-relation queries the response was YES. Maximal size of possible extension queue 2784. Compared 355410 event pairs, 140 based on Foata normal form. 153/28445 useless extension candidates. Maximal degree in co-relation 372368. Up to 10282 conditions per place. [2021-04-29 04:28:28,429 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 5798 selfloop transitions, 1250 changer transitions 7/7061 dead transitions. [2021-04-29 04:28:28,429 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 7061 transitions, 217762 flow [2021-04-29 04:28:28,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:28:28,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:28:28,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 161 transitions. [2021-04-29 04:28:28,430 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6098484848484849 [2021-04-29 04:28:28,431 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 161 transitions. [2021-04-29 04:28:28,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 161 transitions. [2021-04-29 04:28:28,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:28:28,431 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 161 transitions. [2021-04-29 04:28:28,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 20.125) internal successors, (161), 8 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:28:28,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 33.0) internal successors, (297), 9 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:28:28,432 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 33.0) internal successors, (297), 9 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:28:28,432 INFO L185 Difference]: Start difference. First operand has 298 places, 5193 transitions, 149029 flow. Second operand 8 states and 161 transitions. [2021-04-29 04:28:28,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 7061 transitions, 217762 flow [2021-04-29 04:29:08,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 7061 transitions, 202244 flow, removed 7696 selfloop flow, removed 4 redundant places. [2021-04-29 04:29:09,179 INFO L241 Difference]: Finished difference. Result has 306 places, 5935 transitions, 161884 flow [2021-04-29 04:29:09,184 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=136734, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=500, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=161884, PETRI_PLACES=306, PETRI_TRANSITIONS=5935} [2021-04-29 04:29:09,184 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 278 predicate places. [2021-04-29 04:29:09,184 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:29:09,185 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 306 places, 5935 transitions, 161884 flow [2021-04-29 04:29:09,185 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 306 places, 5935 transitions, 161884 flow [2021-04-29 04:29:09,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 306 places, 5935 transitions, 161884 flow [2021-04-29 04:29:39,272 INFO L129 PetriNetUnfolder]: 11466/28072 cut-off events. [2021-04-29 04:29:39,273 INFO L130 PetriNetUnfolder]: For 1674680/1674683 co-relation queries the response was YES. [2021-04-29 04:29:40,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 344725 conditions, 28072 events. 11466/28072 cut-off events. For 1674680/1674683 co-relation queries the response was YES. Maximal size of possible extension queue 2806. Compared 351480 event pairs, 577 based on Foata normal form. 3/28073 useless extension candidates. Maximal degree in co-relation 343033. Up to 9912 conditions per place. [2021-04-29 04:29:40,403 INFO L146 LiptonReduction]: Number of co-enabled transitions 3822 [2021-04-29 04:29:45,961 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:29:45,961 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:29:45,961 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36777 [2021-04-29 04:29:45,962 INFO L480 AbstractCegarLoop]: Abstraction has has 306 places, 5935 transitions, 161884 flow [2021-04-29 04:29:45,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:29:45,962 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:29:45,962 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:29:46,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:29:46,163 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:29:46,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:29:46,164 INFO L82 PathProgramCache]: Analyzing trace with hash 822083456, now seen corresponding path program 20 times [2021-04-29 04:29:46,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:29:46,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360287566] [2021-04-29 04:29:46,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:29:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:29:46,183 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 04:29:46,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:29:46,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:29:46,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:29:46,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:29:46,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:29:46,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360287566] [2021-04-29 04:29:46,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267293955] [2021-04-29 04:29:46,204 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:29:46,231 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:29:46,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:29:46,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:29:46,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:29:46,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:46,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:29:46,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:46,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:29:46,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:29:46,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:29:46,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:29:46,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:29:46,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:29:46,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:29:46,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:29:46,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:29:46,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:29:46,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:29:46,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:29:46,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:29:46,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:29:46,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:29:46,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:29:46,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:29:46,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:29:46,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:29:46,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:29:46,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:29:46,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:29:46,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:29:46,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:29:46,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:29:46,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:29:46,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:29:46,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:29:46,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:29:46,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:29:46,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:29:46,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:29:46,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:29:46,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:29:46,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:29:46,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:29:46,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:29:46,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:46,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:29:46,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:29:46,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:46,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:29:46,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:29:46,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:29:46,275 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 04:29:46,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:46,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:29:46,285 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:29:46,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:29:46,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-04-29 04:29:46,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3499470] [2021-04-29 04:29:46,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:29:46,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:29:46,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:29:46,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:29:46,286 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 33 [2021-04-29 04:29:46,287 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 5935 transitions, 161884 flow. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:29:46,287 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:29:46,287 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 33 [2021-04-29 04:29:46,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:31:33,284 INFO L129 PetriNetUnfolder]: 12124/30625 cut-off events. [2021-04-29 04:31:33,284 INFO L130 PetriNetUnfolder]: For 1854305/1854307 co-relation queries the response was YES. [2021-04-29 04:31:33,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 394632 conditions, 30625 events. 12124/30625 cut-off events. For 1854305/1854307 co-relation queries the response was YES. Maximal size of possible extension queue 3095. Compared 394838 event pairs, 545 based on Foata normal form. 724/31349 useless extension candidates. Maximal degree in co-relation 393022. Up to 18750 conditions per place. [2021-04-29 04:31:34,069 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 6314 selfloop transitions, 1199 changer transitions 108/7627 dead transitions. [2021-04-29 04:31:34,070 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 7627 transitions, 224567 flow [2021-04-29 04:31:34,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:31:34,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:31:34,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 141 transitions. [2021-04-29 04:31:34,070 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6103896103896104 [2021-04-29 04:31:34,071 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 141 transitions. [2021-04-29 04:31:34,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 141 transitions. [2021-04-29 04:31:34,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:31:34,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 141 transitions. [2021-04-29 04:31:34,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:31:34,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 33.0) internal successors, (264), 8 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:31:34,072 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 33.0) internal successors, (264), 8 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:31:34,072 INFO L185 Difference]: Start difference. First operand has 306 places, 5935 transitions, 161884 flow. Second operand 7 states and 141 transitions. [2021-04-29 04:31:34,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 7627 transitions, 224567 flow [2021-04-29 04:32:19,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 7627 transitions, 221802 flow, removed 1378 selfloop flow, removed 1 redundant places. [2021-04-29 04:32:19,713 INFO L241 Difference]: Finished difference. Result has 314 places, 6363 transitions, 175474 flow [2021-04-29 04:32:19,717 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=158594, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5896, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=770, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4989, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=175474, PETRI_PLACES=314, PETRI_TRANSITIONS=6363} [2021-04-29 04:32:19,718 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 286 predicate places. [2021-04-29 04:32:19,718 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:32:19,718 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 314 places, 6363 transitions, 175474 flow [2021-04-29 04:32:19,718 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 314 places, 6363 transitions, 175474 flow [2021-04-29 04:32:19,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 313 places, 6363 transitions, 175474 flow [2021-04-29 04:32:54,507 INFO L129 PetriNetUnfolder]: 12083/30182 cut-off events. [2021-04-29 04:32:54,507 INFO L130 PetriNetUnfolder]: For 1802039/1802042 co-relation queries the response was YES. [2021-04-29 04:32:55,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 372036 conditions, 30182 events. 12083/30182 cut-off events. For 1802039/1802042 co-relation queries the response was YES. Maximal size of possible extension queue 3077. Compared 386357 event pairs, 575 based on Foata normal form. 3/30181 useless extension candidates. Maximal degree in co-relation 371214. Up to 10171 conditions per place. [2021-04-29 04:32:55,669 INFO L146 LiptonReduction]: Number of co-enabled transitions 4224 [2021-04-29 04:33:02,899 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:33:02,899 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:33:02,899 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43181 [2021-04-29 04:33:02,900 INFO L480 AbstractCegarLoop]: Abstraction has has 313 places, 6363 transitions, 175474 flow [2021-04-29 04:33:02,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:33:02,900 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:33:02,900 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:33:03,107 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-04-29 04:33:03,108 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:33:03,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:33:03,108 INFO L82 PathProgramCache]: Analyzing trace with hash 523753822, now seen corresponding path program 21 times [2021-04-29 04:33:03,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:33:03,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099210083] [2021-04-29 04:33:03,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:33:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:33:03,127 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-04-29 04:33:03,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:33:03,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:33:03,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:33:03,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,146 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:33:03,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099210083] [2021-04-29 04:33:03,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725653949] [2021-04-29 04:33:03,146 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:33:03,182 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 04:33:03,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:33:03,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:33:03,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:33:03,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:33:03,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:33:03,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:33:03,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:33:03,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:33:03,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:33:03,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:33:03,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:33:03,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:33:03,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:33:03,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:33:03,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:33:03,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:33:03,207 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-04-29 04:33:03,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:33:03,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:33:03,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:33:03,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:33:03,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:33:03,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:33:03,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:33:03,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:33:03,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:33:03,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:33:03,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:33:03,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:33:03,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:33:03,220 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 04:33:03,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:33:03,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:33:03,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:33:03,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:33:03,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-04-29 04:33:03,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102502779] [2021-04-29 04:33:03,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:33:03,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:33:03,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:33:03,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:33:03,232 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 33 [2021-04-29 04:33:03,232 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 6363 transitions, 175474 flow. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:33:03,232 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:33:03,233 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 33 [2021-04-29 04:33:03,233 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:35:47,372 INFO L129 PetriNetUnfolder]: 14885/38837 cut-off events. [2021-04-29 04:35:47,373 INFO L130 PetriNetUnfolder]: For 2434428/2434446 co-relation queries the response was YES. [2021-04-29 04:35:48,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 508930 conditions, 38837 events. 14885/38837 cut-off events. For 2434428/2434446 co-relation queries the response was YES. Maximal size of possible extension queue 4050. Compared 529684 event pairs, 252 based on Foata normal form. 504/39341 useless extension candidates. Maximal degree in co-relation 507154. Up to 13455 conditions per place. [2021-04-29 04:35:48,474 INFO L132 encePairwiseOnDemand]: 28/33 looper letters, 6675 selfloop transitions, 1724 changer transitions 109/8514 dead transitions. [2021-04-29 04:35:48,474 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 8514 transitions, 255385 flow [2021-04-29 04:35:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:35:48,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:35:48,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 179 transitions. [2021-04-29 04:35:48,475 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6026936026936027 [2021-04-29 04:35:48,475 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 179 transitions. [2021-04-29 04:35:48,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 179 transitions. [2021-04-29 04:35:48,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:35:48,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 179 transitions. [2021-04-29 04:35:48,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 19.88888888888889) internal successors, (179), 9 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:35:48,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 33.0) internal successors, (330), 10 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:35:48,477 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 33.0) internal successors, (330), 10 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:35:48,477 INFO L185 Difference]: Start difference. First operand has 313 places, 6363 transitions, 175474 flow. Second operand 9 states and 179 transitions. [2021-04-29 04:35:48,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 8514 transitions, 255385 flow Received shutdown request... [2021-04-29 04:36:55,580 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-04-29 04:36:55,581 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-29 04:36:55,590 WARN L224 ceAbstractionStarter]: Timeout [2021-04-29 04:36:55,590 INFO L202 PluginConnector]: Adding new model mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 04:36:55 BasicIcfg [2021-04-29 04:36:55,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 04:36:55,591 INFO L168 Benchmark]: Toolchain (without parser) took 817059.61 ms. Allocated memory was 302.0 MB in the beginning and 9.4 GB in the end (delta: 9.1 GB). Free memory was 270.4 MB in the beginning and 5.0 GB in the end (delta: -4.7 GB). Peak memory consumption was 4.9 GB. Max. memory is 16.0 GB. [2021-04-29 04:36:55,591 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 271.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 04:36:55,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.82 ms. Allocated memory is still 302.0 MB. Free memory was 267.2 MB in the beginning and 265.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 04:36:55,592 INFO L168 Benchmark]: Boogie Preprocessor took 19.21 ms. Allocated memory is still 302.0 MB. Free memory was 265.8 MB in the beginning and 264.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 04:36:55,592 INFO L168 Benchmark]: RCFGBuilder took 341.07 ms. Allocated memory is still 302.0 MB. Free memory was 264.7 MB in the beginning and 277.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-04-29 04:36:55,592 INFO L168 Benchmark]: TraceAbstraction took 816610.58 ms. Allocated memory was 302.0 MB in the beginning and 9.4 GB in the end (delta: 9.1 GB). Free memory was 276.7 MB in the beginning and 5.0 GB in the end (delta: -4.7 GB). Peak memory consumption was 4.9 GB. Max. memory is 16.0 GB. [2021-04-29 04:36:55,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 271.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 36.82 ms. Allocated memory is still 302.0 MB. Free memory was 267.2 MB in the beginning and 265.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.21 ms. Allocated memory is still 302.0 MB. Free memory was 265.8 MB in the beginning and 264.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 341.07 ms. Allocated memory is still 302.0 MB. Free memory was 264.7 MB in the beginning and 277.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 816610.58 ms. Allocated memory was 302.0 MB in the beginning and 9.4 GB in the end (delta: 9.1 GB). Free memory was 276.7 MB in the beginning and 5.0 GB in the end (delta: -4.7 GB). Peak memory consumption was 4.9 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 251.9ms, 28 PlacesBefore, 28 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 60 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 60, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 60, unknown conditional: 60, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.6ms, 25 PlacesBefore, 24 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.0ms, 32 PlacesBefore, 29 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 188 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.1ms, 34 PlacesBefore, 33 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.0ms, 36 PlacesBefore, 36 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 162 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.1ms, 42 PlacesBefore, 34 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.9ms, 35 PlacesBefore, 35 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.7ms, 39 PlacesBefore, 39 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.2ms, 41 PlacesBefore, 40 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 74 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.5ms, 49 PlacesBefore, 49 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 152 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.7ms, 57 PlacesBefore, 57 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 212 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.9ms, 63 PlacesBefore, 63 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 63.7ms, 71 PlacesBefore, 71 PlacesAfterwards, 74 TransitionsBefore, 74 TransitionsAfterwards, 304 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 69.7ms, 77 PlacesBefore, 77 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 336 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.1ms, 83 PlacesBefore, 83 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 358 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 100.7ms, 90 PlacesBefore, 90 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 404 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 150.0ms, 101 PlacesBefore, 101 PlacesAfterwards, 151 TransitionsBefore, 151 TransitionsAfterwards, 564 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 294.4ms, 112 PlacesBefore, 112 PlacesAfterwards, 291 TransitionsBefore, 291 TransitionsAfterwards, 464 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 281.2ms, 120 PlacesBefore, 120 PlacesAfterwards, 290 TransitionsBefore, 290 TransitionsAfterwards, 524 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 398.0ms, 125 PlacesBefore, 125 PlacesAfterwards, 311 TransitionsBefore, 311 TransitionsAfterwards, 584 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 929.9ms, 156 PlacesBefore, 156 PlacesAfterwards, 599 TransitionsBefore, 599 TransitionsAfterwards, 740 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1603.9ms, 164 PlacesBefore, 164 PlacesAfterwards, 846 TransitionsBefore, 846 TransitionsAfterwards, 838 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3489.1ms, 195 PlacesBefore, 195 PlacesAfterwards, 1726 TransitionsBefore, 1726 TransitionsAfterwards, 1222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5413.3ms, 207 PlacesBefore, 207 PlacesAfterwards, 2177 TransitionsBefore, 2177 TransitionsAfterwards, 1238 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9603.9ms, 223 PlacesBefore, 223 PlacesAfterwards, 2720 TransitionsBefore, 2720 TransitionsAfterwards, 1574 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12402.3ms, 254 PlacesBefore, 254 PlacesAfterwards, 3272 TransitionsBefore, 3272 TransitionsAfterwards, 1534 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29046.3ms, 298 PlacesBefore, 298 PlacesAfterwards, 5193 TransitionsBefore, 5193 TransitionsAfterwards, 3148 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36776.3ms, 306 PlacesBefore, 306 PlacesAfterwards, 5935 TransitionsBefore, 5935 TransitionsAfterwards, 3822 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43180.8ms, 314 PlacesBefore, 313 PlacesAfterwards, 6363 TransitionsBefore, 6363 TransitionsAfterwards, 4224 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 63). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 14.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 816477.7ms, OverallIterations: 29, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 662190.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 361.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 143 SDtfs, 625 SDslu, 176 SDs, 0 SdLazy, 1881 SolverSat, 372 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1304.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 554 GetRequests, 293 SyntacticMatches, 12 SemanticMatches, 249 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 1912.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=175474occurred in iteration=28, InterpolantAutomatonStates: 252, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 113.5ms SsaConstructionTime, 408.8ms SatisfiabilityAnalysisTime, 3286.7ms InterpolantComputationTime, 753 NumberOfCodeBlocks, 753 NumberOfCodeBlocksAsserted, 78 NumberOfCheckSat, 700 ConstructedInterpolants, 0 QuantifiedInterpolants, 3706 SizeOfPredicates, 39 NumberOfNonLiveVariables, 1418 ConjunctsInSsa, 180 ConjunctsInUnsatCore, 53 InterpolantComputations, 5 PerfectInterpolantSequences, 99/200 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown